335 Documents
- Expressing Statistical Data in RDF with SDMX-RDF
2010-07-16
- ODaF Europe 2010: Semantic Statistics
2010-07-16
- What is SDMX-RDF?
2010-07-16
- SDMX and RDF: Getting Acquainted « Blog about Stats
2010-07-16
- Subject classification and Statistics
2010-07-16
- Empire: RDF & SPARQL Meet JPA | Semantic Universe
2010-07-06
- A Survey of Current Approaches for Mapping of Relational Databases to RDF
2010-07-06
- Richard Cyganiak: Sigma EE – Reaping low-hanging fruits in RDF-based data integration – I-SEMANTICS
2010-07-01
- Replace Facebook with FOAF + twitter + ? - bobdc.blog
2010-06-23
- Diff/versioning as metadata for dynamic graphs?
2010-06-16
- RDFa API
2010-06-11
- ARQ - Property Paths
2010-06-10
- From JSON to RDF in Six Easy Steps with JRON
2010-06-04
- RESTful SPARQL queries of RDFa - bobdc.blog
I can say "extract the RDF triples from the RDFa on that web page and then run this SPARQL query against it" all with a single URL.
2010-06-04
- Self-documenting vocabularies using RDFa
2010-05-30
- Newsweek using RDFa
2010-05-28
- Converting your WordPress and Mediawiki data into RDF on-the-fly at Frederick Giasson’s Weblog
This blog post will show you how we can do the same with your WordPress blog and your Mediawiki wiki using Virtuoso RDF Views.
2010-05-21
- Nouveautés sur le site hyperSOLutions (1998)
2010-05-17
- RDFa 1.1 pour corriger les erreurs de jeunesse ? | Les petites cases
2010-05-14
- Named Graphs / Semantic Web Interest Group
2010-05-14
- Serialising Java Objects to RDF with Jersey
Jersey is the reference implementation of JSR311 (JAX-RS) the Java API for RESTful Web Services. In short JSR311 makes it easy to publish graphs of Java Objects to the web, and implement update and POST semantics - all this using simple java annotations. It makes it easy for Java developers to do the right thing when writing data to the web.
2010-05-12
- skoseditor
2010-05-07
- replacing email with atom and foaf+ssl
2010-05-04
- Map and Territory in RDF APIs
2010-04-28
- RDFa » Blog Archive » Facebook adopts RDFa
2010-04-27
- [foaf-protocols] semantic pingback improvement request for foaf - Story Henry
2010-04-26
- RAP - Rdf API for PHP V0.9.6 - Home
2010-04-01
- Anything to Triples
2010-03-11
- RDF meets NoSQL « Decentralyze – Programming the Data Cloud
2010-03-10
- The Semantic Puzzle | Linking Open Data to Thesaurus Management
PoolParty service, a SKOS-based thesaurus management tool with linked data capabilities.
2010-03-07
- Approaches to Publishing Linked Data via Named Graphs « Lost Boy
2010-01-20
- Federated SPARQL queries - bobdc.blog
2010-01-20
- Managing RDF Using Named Graphs « Lost Boy
2009-11-12
- Jena Semantic Web Framework
2009-11-12
- Linking Folksonomies and Ontologies for Supporting Knowledge Sharing: a State of the Art
Social tagging systems have recently become very popular as a means to classify large sets of resources shared among on-line communities over the social Web. However, the folksonomies resulting from the use of these systems revealed limitations: tags are ambiguous and their spelling may vary, and folksonomies are difficult to exploit in order to retrieve or exchange information. This report compares the recent attempts to overcome these limitations and to support the use of folksonomies with formal languages and ontologies from the Semantic Web.
Projet ISICIL : Intégration Sémantique de l'Information par des Communautés d'Intelligence en Ligne
2009-11-03
- ARQtick: Jena-Mulgara : example of implementing a Jena graph
2009-09-18
- Internet Alchemy » Representing Time in RDF Part 6
2009-08-27
- SKOS + DC + Linked Data = Semantic Tagging? - benjamin nowack's blog
2009-08-27
- Virtuoso: generating RDF Views
2009-08-25
- CONSTRUCTing Quads - TechnicaLee Speaking
2009-07-08
- jena-dev : Message: Joseki requirements
2009-06-26
- SearchMonkey and RDFa - bobdc.blog
2009-06-15
- CommonTag too complicated? - benjamin nowack's blog
2009-06-15
- CommonTag - An easy-to-use vocabulary for Semantic Tagging | Alexandre Passant
2009-06-15
- SourceForge.net: Jena: SCM
2009-05-28
- OpenLink Virtuoso Universal Server: Documentation
2009-05-18
- RDFa for HTML Authors
2009-05-15
- Binding Java Objects to RDF
2009-05-14
- Official Google Webmaster Central Blog: Introducing Rich Snippets - Welcome Google, really.
It looks like "Welcome Google, really" is (was) not in Google's index.
2009-05-14
- Official Google Webmaster Central Blog: Introducing Rich Snippets
2009-05-13
- Short Recap of Virtuoso Basics
2009-05-01
- SKOS implementation: Rameau subjects as linked data
Announce: release an *experimental* service [1] that provides the RAMEAU subject headings as open linked data.
Rameau [2] is the main subject vocabulary used at the French national library (BnF) and many other French institutions. This site, a result of the TELplus project, and a collaboration between the Vrije Universiteit Amsterdam and BnF, aims at encouraging experimentation with Rameau on the web of da
2009-04-28
- Semantic Technologies for Archaeological Resources
2009-04-20
- Semantic Web technologies for digital preservation : the SPAR project
2009-04-15
- L’apport des technologies du Web sémantique à la gestion des données structurées
2009-04-06
- Requirements for Relational-to-RDF Mapping
2009-04-02
- Online N3 Validator
2009-04-01
- Querying a set of named RDF graphs without naming the graphs - bobdc.blog
2009-03-31
- VOS: Virtuoso Universal Server AMI for Amazon EC2 Instantiation Guide
2009-03-31
- Getting started using Virtuoso as a triplestore - bobdc.blog
2009-03-03
- W3C RDB2RDF Incubator Group Report
2009-03-03
- Named graphs in Open Anzo - TechnicaLee Speaking
2009-03-03
- RdfStoreBenchmarking - ESW Wiki
2009-02-16
- ISWC 2008: The Scalable Knowledge Systems Workshop
1. mapping relational to RDF, where possible, is faster than triple storage; and
2. the equivalent relational solution can be some 10x faster than the pure triples representation.
2009-02-16
- Yahoo! adds RDF support to SearchMonkey and BOSS
2009-02-13
- Getting started with Sesame - bobdc.blog
2009-02-13
- Virtuoso Open-Source Edition: Mapping SQL Data to RDF
2009-02-10
- D2RQ — Lessons Learned
2009-02-10
- Report from the W3C Workshop on RDF Access to Relational Databases
2009-02-10
- Bounded Descriptions in RDF - n² wiki
2009-02-07
- Relational database integration with RDF/OWL
2009-02-07
- ESWC2008 Relational2RDF - Mapping Relational Databases to RDF with OpenLink Virtuoso
2009-02-06
- Virtuoso (OpenLink Software, Inc) - Data Management/Storage/Relational Databases - Enterprise IT Planet Product Guide
2009-02-06
- Mapping Relation Data to RDF with Virtuoso's RDF Views
2009-02-06
- DataO - Browser of the Web of Data
2009-01-28
- A different usage of RDFa… « Ivan’s private site
2009-01-16
- ISWC 2008: Some Questions - Inference: Is it always forward chaining?
Once the working set is no longer in memory, response times jump disproportionately. Also, if the data changes or is retracted or is unreliable, one can end up doing a lot of extra work with materialization. Consider the effect of one malicious sameAs statement. This can lead to a lot of effects that are hard to retract. On the other hand, if running in memory with static data..., the queries run some 20% faster if entailment subclasses and sub-properties are materialized rather than done at run time.
2009-01-03
- "E Pluribus Unum", or "Inversely Functional Identity", or "Smooshing Without the Stickiness" (re-updated)
2008-12-17
- Virtuoso RDF: Getting Started for the Developer
2008-12-17
- Message: RE: [jena-dev] ARQ property functions: is it possible to use a blank node as argObject?
2008-12-12
- Mediterranean Ceramics: RDFa at Ilion
The Greek, Roman and Byzantine Pottery at Ilion (GRPBIlion) database exports its content as Linked Data using RDFa
2008-12-08
- CBD - Concise Bounded Description
W3C Member Submission 3 June 2005
2008-11-25
- jena-dev : Message: Creating custom model for legacy system (Newbie question)
How to present the data from a legacy system (not an RDB) as RDF and thought I'd use Jena as a facade?
2008-11-20
- SDB/Store Description - Jena wiki
2008-11-17
- SDB/Dataset Description - Jena wiki
2008-11-17
- the Assembler howto
2008-11-17
- Jena Assembler (D2RQ V0.5 - User Manual)
2008-11-17
- Open Archive Initiative’s aggregation vocabulary « Ivan’s private site
RDF vocabulary to identify an aggregation and to describe its constituents
2008-11-12
- paggr -Smart Data Portals
paggr is an interactive application that simplifies the organization
and integration of distributed web information. In a few simple steps, users can
create personalized, "smart data" portals from a variety of sources and formats
such as RDF, remote SPARQL endpoints, microformats, RSS, Atom, RDFa, or
selected APIs. Data items in paggr can be linked to each other using an intuitive
drag&drop mechanism. Additionally, paggr offers a developer zone where
everyone can collaborate on reusable data widgets via simple web forms and a
SPARQL-based scripting language with templating mechanism.
2008-11-03
- Expose LDAP directories to the Semantic Web with SquirrelRDF
2008-10-28
- Me on INNORAISE
2008-10-28
- TechnicaLee Speaking: Videos: Anzo for Excel in action
2008-10-23
- SPARQL Update
2008-10-21
- Berlin SPARQL Benchmark V2 - Results for Sesame, Virtuoso, Jena TDB, D2R Server, and MySQL
2008-09-24
- Deploying Linked Data (Virtuoso)
2008-09-20
- Create Scalable Semantic Applications with Database-Backed RDF Stores
2008-09-10
- Jena Relational Database backend
2008-09-10
- Trice
Trice is Web development framework that uses RDF technology to increase productivity and flexibility for everyday Web programming.
2008-09-09
- Building Secure, Open and Distributed Social Network Applications
2008-09-05
- Crunchbase & Semantic Web Interview (Remix - Update 1)
2008-09-02
- Sheaflight Home
2008-09-02
- Connecting Freebase, Wikipedia, DBpedia, and other Linked Data Spaces
2008-09-01
- Best Practice Recipes for Publishing RDF Vocabularies
This document describes best practice recipes for publishing vocabularies or ontologies on the Web (in RDF Schema or OWL).
2008-09-01
- Virtuoso Jena Provider
The Virtuoso Jena RDF Data Provider is a fully operational Native Graph Model Storage Provider for the Jena Framework, enables Semantic Web applications written using the Jena RDF Frameworks to query the Virtuoso RDF Quad store directly.
2008-08-28
- OpenLink Plugs the Gaps in the Structured Web » AI3:::Adaptive Information
Virtuoso and Related Tools String Together a Surprisingly Complete Score
2008-08-28
- Un moteur de transformation RDF basé sur SPARQL (2) « Leçons de Choses
2008-08-27
- OpenLink Virtuoso: Open-Source Edition
2008-08-26
- OpenLink Universal Integration Middleware - Virtuoso Product Family - FAQ
2008-08-26
- SKOS and SWOOP: how - bobdc.blog
2008-08-12
- ARQ - Documentation and Resources
2008-08-11
- Linked Data by Zitgist
2008-07-19
- ARQ: a question about property functions
when handling a describe query with ARQ, is it possible to add statements to the returned RDF, based on a "magic property"? (Yes, it is)
2008-07-14
- Facebook | Find your path in the Labyrinth of Information!
Facebook group created by Dimitris
2008-07-14
- Semanlink : Find your Path in the Labyrinth of Information - Dimitris' site
The aim of this site is the diffusion of usage of Semanlink in Greece and on all over the world.
2008-07-08
- Lost Boy: Parameterised Queries with SPARQL and ARQ
2008-07-06
- FOAF & SIOC applications, slides (Alexandre Passant, ESWC 2008, "Socail Networks" tutorial)
2008-06-20
- Experiences with the conversion of SenseLab databases to RDF/OWL
2008-06-12
- Marbles
2008-06-10
- Relational database integration with RDF/OWL
2008-06-04
- RDFaiser votre blog, 2ème partie : la pratique | Les petites cases
2008-05-20
- Manageability - Open Source Social Networking Applications Written in Java
2008-05-17
- [Linking-open-data] Fw: linking geonames concepts to wikipedia and other concept
2008-05-15
- skos:Concept and "real world things"
2008-05-15
- Using tags for POWDER content labels
2008-05-14
- Topic: Concept Semantics -- Patterns for Working With SKOS and OWL
2008-05-12
- SkosDesign/ConceptSemantics - W3C Semantic Web Deployment Wiki
So, for a resource of type skos:Concept, any properties of that resource (such as creator, date of modification, source etc.) should be interpreted as properties of a concept, and not as properties of some 'real world thing' that that resource may be a conceptualisation of
2008-05-12
- ISSUE-54 - SWD
semantics of skos:Concept?
2008-05-12
- SKOS Use Cases and Requirements
2008-05-12
- SKOS Reference
2008-05-08
- RESTful Web Services: the book
That's RDF for you. It's so simple I am able to explain it to people in bars within a minute.
Here is an example, which says that my name is Henry: "Henry Story".
Click on the URLs and you will GET their meaning. Since resources can return any number of representations, different user agents can get the representation they prefer.
2008-05-08
- All XML roads lead to RDF
2008-05-08
- foaf enabling an enterprise
2008-05-08
- BOF-5911: Building a Web 3.0 Address Book
2008-05-08
- Networked Knowledge Organization Systems and Services | The 7th European Networked Knowledge Organization Systems (NKOS) Workshop
Please email proposals (approx. 500 words including aims, methods, main findings) by June 20th to Marianne Lykke Nielsen (mln@db.dk). Advance indication that you intend to submit a presentation would be helpful. Proposals will be peer-reviewed by the program committee and notification of acceptance will be given by July 4th. The early registration deadline for the conference and the workshop is July 31st.
2008-05-06
- SitePoint Blogs » WWW2008 Beijing: Day 1 - Linked Data on the Web (LDOW 2008) Workshop
2008-05-04
- Exploding the Domain: UMBEL Web Services by Zitgist at Frederick Giasson’s Weblog
2008-04-25
- RDFa Tutorial WWW2008 (demo files) - Elias Torres
2008-04-21
- RDFa
2008-04-21
- Ben Adida - RDFa, slides du workshop à WWW2008
2008-04-21
- SemwebCampParis numéro 2 : Alexandre Passant
2008-04-11
- Semanlink - semantische Bookmarks
2008-04-10
- Turtle - Terse RDF Triple Language
2008-04-08
- From RSS to SIOC using SPARQL : Alexandre Passant
2008-04-08
- Sketch of a simple authentication protocol
2008-04-07
- One FOAF fits all : Alexandre Passant
2008-04-07
- RDF and social networks - bobdc.blog
Defining a vocabulary instead of a DTD is the low-hanging fruit... It doesn't reduce the work to do by simplifying it, but by reducing the scope: by forgetting about the data structures.
2008-04-07
- Lost Boy: Writing an ARQ Extension Function
2008-04-01
- Demande 258: Patch for improved IE support - Tabulator Issue Tracker
2008-04-01
- Meaning Of A Tag: A Collaborative Approach to Bridge the Gap Between Tagging and Linked Data
2008-03-30
- Weaving SIOC into the Web of Linked Data
2008-03-30
- Semergence » Blog Archive » Why Flickr Doesn’t Do FOAF
2008-03-29
- RDF Primer — Turtle version
2008-03-18
- Yahoo! Search Blog: The Yahoo! Search Open Ecosystem
2008-03-17
- SKOS Simple Knowledge Organization System Primer
2008-03-01
- Social Book marking Script - Clones of Digg.com
2008-02-15
- Large-scale RDF Graph Visualization Tools » AI3:::Adaptive Information
2008-02-15
- Easy RDF and SPARQL for LAMP systems - ARC RDF Classes for PHP
2008-02-04
- Apple - Site Map (example of website with good hierarchy)
2008-01-25
- MOAT: Meaning Of A Tag
2008-01-20
- RDF Net API
A simple network interface to remote RDF models. There are two sets of functionality: a basic access mechanism that provides query capability to a collection of RDF statements, and an update mechanism where, subject to security constraints (not discussed here), changes to the RDF model can be made.
2008-01-09
- Joseki - A SPARQL Server for Jena
2008-01-04
- ARQ - Querying Remote SPARQL Services
2008-01-04
- danbri’s foaf stories » Commandline PHP for loading RDF URLs into ARC (and Twinkle for query UI)
2008-01-03
- DriftR Linked Data Browser and Editor (Screencast) - benjamin nowack's blog
2007-12-31
- Another RDF Syntax! (URI-embedded RDF)
Let a URI constructed like this: URIbase/ars?s=encodedURIs&p=encodedURIp&o=encodedURIo identify the statement: URIs URIp URIo
2007-12-31
- semanlink 소개 - Mimul's Developer World
2007-12-30
- Javascript RDF Parser in ie
Modifications made to code of tabulator-0.8-2007-02-01T16-43Z to have the javascript RDF Parser working with internet explorer 6 and 7. This is not a complete port of Tabulator: it only concerns the RDF parser (and the way to invoke Ajax). It has not been fully tested (only with simple RDF, without lists, anonymous resources, etc.)
2007-12-17
- Zitgist DataViewer at Frederick Giasson’s Weblog
2007-12-08
- Alistair Miles » SKOS and RDFa in e-Learning
Both SKOS and RDFa have interesting consequences for e-learning technology, and especially for leveraging the Web as a platform for delivering learning.
2007-11-20
- Definition of "URI References" in RDF (Concepts and Abstract Syntax)
Because of the risk of confusion between RDF URI references that would be equivalent if derefenced, the use of %-escaped characters in RDF URI references is strongly discouraged.
J'ai l'impression d'être à l'ouest dans semanlink
2007-11-17
- Proverbes (site hyperSOLutions)
Utilisation de Semanlink sur le site hyperSOLutions (datée 1998)
2007-11-13
- Nouveautés sur le site hyperSOLutions
Archive datée de 1998 mentionnant Semanlink
2007-11-13
- Vapour, a web-based validator tool to check best practices for publishing RDF vocabularies
2007-11-08
- The RDFa Test Harness (Crazy Ivan)
The RDFa Test Harness provides an interactive mechanism to check the conformance of an RDFa extractor and SPARQL query engine.
2007-11-07
- danbri’s foaf stories » FOAF diagram
Diagram showing FOAF classes and properties (and some DOAP, GEO, OWL, SKOS, and SIOC too)
2007-11-07
- FOAF Vocabulary Specification
2007-10-25
- RDFa - W3C Semantic Web Deployment Wiki
2007-10-06
- Representing Probabilistic Relations in RDF
2007-09-27
- web - Tom Heath's Displacement Activities
2007-09-18
- Juan Sequeda - Meetings
2007-09-18
- RDF123 Homepage
2007-09-05
- Applying a character transformation to the content of a cell when creating an URI - RDF123 | Google Groups
2007-08-30
- SCOT:Let’s Share Tags! » About SCOT
The SCOT(Social Semantic Cloud Of Tags) ontology is to semantically represent the structure and semantics of a collection of tags and to represent social networks among users based on the tags.
2007-08-24
- RDFa in the wild
This page tries to gather RDFa implementations, systems that use (or contemplate on using) RDFa, and RDFa-based vocabularies and the like.
2007-08-23
- Applications Built on Jena - Tom Heath's Displacement Activities - by tomheath
2007-08-22
- RDF123 maps spreadsheet data to RDF
2007-08-22
- SKOS/Semantics - W3C Semantic Web Deployment Wiki
2007-07-18
- SKOS Extensions [RDF/OWL Description]
An RDF vocabulary containing extensions to SKOS Core useful for specialised applications.
2007-07-18
- SKOS Mapping [RDF/OWL Description]
An RDF vocabulary for describing mappings between concept schemes.
2007-07-18
- Jena GRDDL Reader
2007-07-17
- NG4J - Named Graphs API for Jena
2007-07-13
- ARQ - SPARQL Tutorial
2007-07-07
- SPARQL Query Language for RDF
2007-07-07
- mnot’s Web log: Adding Semantics to Excel with Microformats and GRDDL
2007-07-06
- Abductive reasoning, template generation, and RDF-in-HTML
Suppose you are developing an RDF-based web application that has these requirements:
- The application has to display certain known types of resources in a particular way.
- The application has to accept and store types of resources that may be unknown to you, the developer.
- The application has to be smart enough to display those unknown types in a reasonable way.
2007-07-04
- TechnicaLee Speaking: Using RDF on the Web: A Vision
2007-07-04
- Dave Brondsema's Blog - Javascript RDFParser from Tabulator
2007-07-04
- Why use eRDF?
2007-07-03
- A use for embedded semantics? eRDF Link Preview Demo
RDF-in-HTML offers interesting possibilities for end-user experience. This page demonstrates one of those possibilities. Here, some javascript pre-fetches eRDF data related to the uri being linked to.
2007-07-03
- eRDF-T with Tonic and Smarty
eRDF templating.
2007-07-02
- XML.com: Introducing RDFa, Part Two
2007-07-02
- SDB - Jena wiki
a new database subsystem for Jena. It uses a conventional relational
database, rewriting SPARQL to SQL. The relational database tools for
load balancing, security, clustering, backup and administration can all
be used to manage the installation. Currently it works with Oracle, MS
SQL Server, PostgreSQL, MySQL, Apache Derby and HSQLDB databases.
2007-07-02
- D2RQ - Treating Non-RDF Databases as Virtual RDF Graphs - Chris Bizer
As Semantic Web technologies are getting mature, there is a growing need for RDF applications to access the content of non-RDF, legacy databases without having to replicate the whole database into RDF. D2RQ is a declarative language to describe mappings between relational database schemata and OWL/RDFS ontologies. The mappings allow RDF applications to access the content of huge, non-RDF databases using Semantic Web query languages like SPARQL.
2007-06-23
- Zitgist’s RDF Browser: Browse the Semantic Web at Frederick Giasson’s Weblog
2007-06-22
- Enterprise 0.0, Linked Data, and Semantic Data Web
Actual SQL to RDF Mapping Demo / Experiment
2007-06-14
- dowhatimean.net » Less code: eRDF templates for RDF-driven web sites
Let’s assume you have a web application driven by data from an RDF triple store. You generate HTML pages by querying the triple store and inserting the bits and pieces into an HTML template. Now if you add eRDF or RDFa annotations to the HTML template, in a way that reflects the original RDF data, then by definition the annotations completely specify what data you need to populate the page. And the template itself therefore must be sufficient to extract all the required triples from the store. No coding needed!
2007-05-31
- RDFa Bookmarklets
This is the home of the RDFa Javascript implementation, including the RDFa bookmarklets.
2007-05-31
- RDFa support in Jena GRDDL Reader (SVN)
2007-05-31
- Amusons-nous avec RDFa | Les petites cases
Exemple d'utilisation de RDFa (lecture de liens vers dbPedia inclus dans la page)
2007-05-30
- Zitgist: the Semantic Web Query Service
2007-05-23
- Phil Dawes’ Stuff » Some ideas for static triple indexing
2007-05-20
- Elias Torres » Blog Archive » Operator Overload
Next release of Firefox plugin Operator will support RDFa.
This post includes examples from the presentation at XTech.
2007-05-19
- XTech 2007: without the X - the return of {{Textual}} markup
This paper discusses textual formats as a trend using a case study of the Turtle RDF Syntax developed by the author and using developing a new JSON textual format for RDF as an example of the tradeoffs that need to be considered.
2007-05-18
- XTech 2007: Open Data in HTML: GRDDL, eRDF and RDFa
Tour through the latest techniques available to embed or extract semantic markup from HTML pages.
2007-05-18
- jena-dev : Message: Re: [jena-dev] Checking URI validity before adding it to a model
2007-04-25
- Ping the Semantic Web.com - Share your RDF data with the World!
2007-04-25
- Search RDF data with SPARQL (and Jena)
2007-04-20
- ConTag A Tagging System: Linking the Semantic Desktop with Web 2.0
Diploma Thesis qui cite Semanlink
2007-04-20
- Ping the Semantic Web.com
Share your RDF Data with the World!
PingtheSemanticWeb.com is a repository for RDF documents. You can notify this service that you created/updated a RDF document on your web site.
2007-04-20
- RDF and SPARQL: Using Semantic Web Technology to Integrate the World's Data
Interesting write-up about relational database to RDF mapping on the W3C website
2007-04-19
- XML.com: Introducing RDFa
2007-04-10
- Folksonomies e tagging/3 « emmeesse
2007-04-03
- Disco - Hyperdata Browser
Try it here!
2007-04-03
- An OWL model for managing ontologies in the agricultural domain
From AGROVOC to the Agricultural Ontology Service / Concept Server
2007-04-02
- OpenLink RDF Browser
2007-03-29
- RDF and SOA
The purpose of this paper is not to propose a particular standardization effort for refining the existing XML-based, WS* approach to Web services, but to suggest another way of thinking about Service Oriented Architecture (SOA) in terms of RDF message exchange, even when custom XML formats are used for message serialization.
Workshop on Web of Services for Enterprise Computing, W3C
2007-03-12
- Rules and Formulae
2007-02-08
- Semantic Web Tutorial Using N3
2007-02-08
- Horst, Herman J. ter: Completeness, decidability and complexity of entailment for RDF Schema and a semantic extension involving the OWL vocabulary
We prove that entailment for RDFS (RDF Schema) is decidable, NP-complete, and in P if the target graph does not contain blank nodes.We show that the standard set of entailment rules for RDFS is incomplete and that this can be corrected by allowing blank nodes in predicate position. We define semantic extensions of RDFS that involve datatypes and a subset of the OWL vocabulary that includes the property-related vocabulary (e.g. Functional- Property), the comparisons (e.g. sameAs and differentFrom) and the value restrictions (e.g. allValuesFrom). These semantic extensions are in line with the 'if-semantics' of RDFS and weaker than the 'iff-semantics' of D-entailment and OWL (DL or Full). For these semantic extensions we present entailment rules, prove completeness results, prove that consistency is in P and that, just as for RDFS, entailment is NP-complete, and in P if the target graph does not contain blank nodes. There are no restrictions on use to obtain decidability: classes can be used as instances.
2007-02-06
- TechnicaLee Speaking: Using RDF on the Web: A Survey
I want to be able to quickly develop data-driven Web applications that read from and write back to RDF data sources.
2007-01-19
- W3C RDF Validation Service
2007-01-19
- SKOS core (rdf file)
2007-01-19
- Simple Knowledge Organisation Systems (SKOS) - home page
2007-01-18
- Disco Hyperdata Browser
Simple browser for navigating the Semantic Web as an unbound set of data sources. The browser renders all information, that it can find on the Semantic Web about a specific resource, as an HTML page. This resource description contains hyperlinks that allow you to navigate between resources. While you move from resource to resource, the browser dynamically retrieves information by dereferencing HTTP URIs and by following rdfs:seeAlso links.
2007-01-15
- D2R Server publishing the DBLP Bibliography as Linked Data (Semantic Web grows 10%) from Chris Bizer
2007-01-09
- ThManager - metadata editor
Open Source Tool for creating and visualizing SKOS RDF vocabularies
2007-01-09
- tagtriples from Phil Dawes
'tagtriples' - a experimental format for exchanging and aggregating structured metadata. It's based on RDF ideas, but emphasises simplicity over precision. 2005-03-23
2007-01-09
- Tabulator: Generic data browser
2007-01-06
- HTTP behaviour for SKOS Concepts from Miles, AJ \(Alistair\) on 2005-06-21 (public-esw-thes@w3.org from June 2005)
2007-01-03
- RE: [VM] content-dependent redirects in apache ... help! from Miles, AJ \(Alistair\) on 2005-10-03 (public-esw-thes@w3.org from October 2005)
2007-01-03
- Tabulator: Exploring and Analyzing linked data on the Semantic Web
2007-01-02
- Links on the Semantic Web
2007-01-02
- Fresnel - Display Vocabulary for RDF
Presenting Semantic Web content in a human-readable way consists in addressing two issues: specifying what information contained in an RDF graph should be presented and how this information should be presented.
We developed Fresnel as a browser-independent vocabulary of core RDF display concepts applicable across different representation paradigms and output formats.
2007-01-02
- RDF in HTML: Approaches
2006-12-31
- SKOS Core Vocabulary Specification
2006-12-23
- Validation considered harmful
On the Web, you need to be able to process messages from the future.
2006-12-16
- TechnicaLee Speaking: Semantic Web Technologies in the Enterprise
While we support the broad vision of a Semantic World Wide Web, we feel that there are great benefits to be derived from adapting semantic technologies for applications within an enterprise. In particular, we believe that RDF has several very appealing properties that position it as a data format of choice to provide a flexible information bus across heterogeneous applications and throughout the infrastructure layers of an application stack.
I AGREE COMPLETELY
2006-12-01
- The Pathetic Fallacy of RDF
Are graphs the right default representation for the Semantic Web? And if not, how might we think about default presentations for the Semantic Web in order to make accessible its promised benefits for knowledge building and sharing?
2006-12-01
- Redfoot: Hypercoding System
Redfoot is a hypercoding system which is being used to create a webized operating system and is also being used to create applications. It is built around the notion of an RDF Graph for persistence rather than a File Tree . It provides standard web mechanisms to transport information across different machines and programmatically specifies the tasks for bundling and installing new software features across networked machines. The functions of Redfoot are analogous to that of an operating system kernel that manages resources across the web.
2006-11-14
- Jena on Sourceforge
HOME DE JENA
2006-11-06
- Mulgara: open source scalable RDF database written entirely in Java.
Open Source fork of Kowari.
2006-10-09
- dowhatimean.net » Exporting the OS X Address Book to FOAF
2006-10-09
- Server Configuration Reference - The Context Container
2006-09-13
- RollerWiki: InstallationGuide12
By default, Roller saves uploaded files under the directory ${user.home}/roller_data/uploads . Here ${user.home} is the Java system property that normally evaluates to the home directory of the user identity executing the server's JVM process.
In most cases, this default will probably work fine for you. However, for security reasons, some Tomcat installations (and other containers as well) are set up to run as a server user identity whose home directory does not exist or is not writable by the server user itself. If this is the case for your site, override the property uploads.dir in roller.properties (see ConfigurationGuide for details).
2006-09-12
- Installing the Confluence EAR-WAR edition - Confluence
2006-09-12
- The ultimate mashup -- Web services and the semantic Web
In addition to single-service applications, developers are creating mashups, applications that combine data from multiple services to create something new. This series chronicles the creation of the ultimate mashup, an application that not only stores data from different mashups but uses semantic technology to enable users to create their own mashups by swapping services, or even by picking and choosing data. It uses Java™ programming and a combination of servlets, JSP, software from the open source Jena project, and DB2's new native XML capabilities.
2006-08-29
- International standard date and time notation
A summary of the international standard date and time notation
2006-08-05
- JavaScript RDF/XML Parser
To the best of my knowledge, RDFParser is fully compliant with the RDF/XML specification. The parser passes all of the positive parser test cases from the W3
2006-07-17
- SkosDev - ESW Wiki
Best practices for naming resources of type skos:Concept with HTTP URIs
2006-07-06
- Javascript DropDown menu
2006-06-25
- kylescholz.com :: blog: Force Directed Graphs in Javascript?
2006-06-25
- ARC Embedded RDF (eRDF) Parser for PHP
While searching for a suitable output format for a new RDF framework, I've been looking at the various semantic hypertext approaches, namely microformats, Structured Blogging, RDFa, and Embedded RDF (eRDF). Each one has its pros and cons...
2006-05-29
- Embedded RDF Wiki :: Talis
This document describes how a subset of RDF can be embedded into XHTML or HTML by using common idioms and attributes. No new elements or attributes have been invented and the usages of the HTML attributes are within normal bounds. This scheme is designed to work with CSS and other HTML support technologies.
2006-05-29
- Semanlink on Netvouz
Netvouz is an online social bookmark manager
2006-05-28
- XMLArmyKnife - Experimenting with EmbeddedRDF and GRDDL Support
Embedded RDF is a method of embedding (a subset of) RDF within XHTML and HTML documents. A simple XSLT transformation can be used to extract the RDF from within the document.
A related and more generalised technology is GRDDL which defines how to associate transformation algorithms (i.e. XSLT stylesheets) with XHTML profiles or microformats so that there's a clear mapping from embedded metadata into RDF.
I've been experimenting with adding support for both of these technologies in the XMLArmyKnife SPARQL query service. This provides a means to directly query RDF embedded in XHTML documents.
2006-05-28
- chillyinside.com » Blog Archive » 2006 Jena User Conference
2006-05-26
- Jena User Conference - some interesting UI related papers/presentations from Shabajee, Paul on 2006-05-17 (public-semweb-ui@w3.org from May 2006)
2006-05-25
- RDF/A Primer 1.0: Embedding RDF in XHTML
2006-05-23
- 2006 Jena User Conference - proceedings
2006-05-17
- JUC day 1: photos
2006-05-13
- Semanlink on del.icio.us
2006-05-13
- dowhatimean.net » [juc] François-Paul Servant – Semanlink
It’s a del.icio.us on steroids. The UI is not yet quite streamlined enough for my taste, but it looks usable. It’s technologically simple – Jena memory model, file-based persistence – so it should be hackable. Quite cool.
I’d use it if it had del.icio.us import (or synchronization, preferably).
2006-05-13
- Peter Hale PhD Research - User Driven Programming
My current research is on a technique of 'User Driven Modelling/Programming'. My intention is to enable non-programmers to create software from a user interface that allows them to model a particular problem or scenario.
2006-05-13
- Triplestores! Virtuosity! Marsupials!
Virtuoso provides:- Object-Relational DBMS Engine (ORDBMS like PostgreSQL and DBMS engine like MySQL)
- XML Data Management (with support for XQuery, XPath, XSLT, and XML Schema)
- RDF Triple Store (or Database) that supports SPARQL (Query Language, Transport Protocol, and XML Results Serialization format)
- Service Oriented Architecture
- Web Application Server (supports HTTP/WebDAV)
- NNTP compliant Discussion Server
2006-04-30
- alphaWorks : IBM Web Ontology Manager
IBM Web Ontology Manager is a lightweight, Web-based tool for managing ontologies expressed in Web Ontology Language (OWL). With this technology, users can browse, search, and submit ontologies to an ontology repository. This technology includes a Web interface for easy uploading of ontologies in an .owl format by any user of the system. It also includes an interface for generating (using Jastor) Java™ APIs from uploaded ontology files.
IBM Web Ontology Manager differs from IBM Ontology Management System (a former alphaWorks technology, now merged into the IBM Integrated Ontology Development Toolkit) in that it does not include a statement repository. Instead, based on the ontologies visible to the system, it can generate Java classes for accessing any Jena-compatible RDF statement repository.
2006-04-29
- Power I-Tags
A general usage pattern that is emerging in the use of XRIs is the
pattern of including standardized 'triples' in the XRI to identify a
resource.
2006-04-29
- System One - Wikipedia3
Wikipedia³ is a conversion of the English Wikipedia into RDF. It's a monthly updated dataset containing around 47 million triples.
2006-04-24
- XTech 2006: Semantics Through the Tag
This paper will discuss how tagging can be separated from the
services that provide them, allowing use of tags as separate
entities. This separation will use a mapping of tags to and from
RDF, showing how the context of tags (who, where, when made them) can
be represented and preserved. There are multiple choices for
modelling tags in this way which will be discussed along with their
benefits and some of the unusual uses of tags will be considered as
well as the different way that existing tagging services use tagging
differently.
The paper will also discuss methods of how to find the meaning of a
tag – going from a tag to something a human can understand as a
description, which may be evolving – in a decentralized, web friendly
way. Without the use of ontologies!
2006-04-24
- Jena User Conference - programme up
2006-04-13
- Burningbird » ‘allo Jena
2006-04-13
- 2006 Jena User Conference - schedule
2006-04-13
- Lost Boy: 2006 Jena User Conference Programme
2006-04-13
- DEMO of the STITCH project ("Semantic Interoperability To access Cultural Heritage")
The STITCH DEMO webserver demonstrates the added value of semantical integration of multiple collections.
The collections that are linked by the prototype RDF Multi-Faceted-Search browser are the Rijksmuseum Masterpieces Collection (ARIA) and the Medieval Illuminated Manuscripts at the National Library of the Netherlands
SKOS is used to enable mixing/merging of separate vocabularies:
Cultural-heritage collections are typically indexed with metadata derived from a range of different vocabularies, such as AAT, Iconclass and in-house standards. This presents a problem when one wants to use multiple collections in an interoperable way. In general, it is unrealistic to assume unification of vocabularies. Vocabularies have been developed in many sub-domains, each with their own emphasis and scope. Still, there is significant overlap between the vocabularies used for indexing. The prime research objective of this subproject is to develop theory, methods and tools for allowing metadata interoperability through semantic links between the vocabularies.
2006-04-07
- ActiveRDF: object-oriented RDF in Ruby
Abstract: Although most developers are object-oriented, programming RDF is triple-oriented. Bridging this gap, by developing a truly ob ject-oriented API that uses domain terminology, is not straightforward, because of the dynamic and semi-structured nature of RDF and the openworld semantics of RDF Schema.
We present ActiveRDF, our object-oriented library for accessing RDF
data. ActiveRDF is completely dynamic, offers full manipulation and
querying of RDF data, does not rely on a schema and can be used against
different data-stores. In addition, the integration with the popular Rails
framework enables very easy development of Semantic Web applications.
2006-04-04
- SIMILE | RDFizers
RDFizers are tools that allow to transform existing data into an RDF representation.
2006-03-31
- Redland RDF Application Framework - Ruby Interface
2006-03-27
- Wilbur-and-O: OINK
"RDF browser", built using Wilbur. I am tired of looking RDF data in the RDF/XML (or any other syntactic) form. It seems that an RDF graph can easily be rendered as hypertext, and browsing is a very intuitive way to navigate data. Loading multiple RDF documents into Wilbur's triple-store and viewing them all together offers a simple way to integrate data, ad hoc. I've dubbed this piece of software "OINK" for "Open Integration of Networked Knowledge" (really).
2006-03-22
- Best Practice Recipes for Publishing RDF Vocabularies
This document describes best practice recipes for publishing an RDFS or
OWL vocabulary or ontology on the Web. The features of each recipe are clearly
described, so that vocabulary or ontology creators may choose the recipe best
suited to the needs of their particular situations. Each recipe contains
an example configuration for use with an Apache HTTP server, although the
principles involved may be adapted to other environments. The recipes are all
designed to be consistent with the architecture of the Web as currently
specified.
2006-03-14
- Semantic Blogging Demonstrator
2006-03-11
- Dan's Blaggity Blog: JavaScript and RDF - (almost) perfect together
in a very real way, the RDF model of data could be described as interlinked associative arrays. this simplification and reduction to something akin to an essence of RDF was in the back of my mind months later, when I was working on an AJAX application, using JSON as a data interchange format. prior to this, i had never looked too deeply into JavaScript, but the similarities between RDF and JSON were apparent. both are a very general, minimalist means of representing data, with simplicity being a primary virtue. both can be modeled very simply as a sets of connected associative arrays...
2006-02-07
- Give yourself a URI
2006-01-27
- hyperfp: Semanlink Screenshots
2006-01-14
- Delta: an ontology for the distribution of differences between RDF graphs
2005-12-16
- Berners-Lee - Sem Web Life Sciences - Bio-IT world
"Keep your existing systems running, adapt them"
2005-11-23
- The Not-RDF Tax
2005-11-23
- Quad store performance issues
2005-11-16
- CONFOTO - RDF Data Cart
CONFOTO is an online service which facilitates browsing, annotating and re-purposing of photo, conference, and people descriptions.
2005-11-16
- Internet Alchemy Naked Metadata Using Embedded RDF
2005-11-10
- faqs-for-rdf - Microformats
2005-11-09
- SKOS Core Guide
2005-11-04
- Web Services Description Language (WSDL) Version 2.0: RDF Mapping
The main objective of this specification is to present a standard RDF vocabulary equivalent to WSDL 2, so that all WSDL 2 documents can be transformed into RDF and merged with other Semantic Web data.
2005-11-04
- openRDF.org, home of Sesame
2005-11-03
- Introduction to Jena
2005-10-28
- Sesame: A Generic Architecture for Storing and Querying RDF and RDF Schema
Sesame: A Generic Architecture for Storing and Querying RDF and RDF Schema
2005-10-28
- Bill de hÓra: MetaGraph: Domain knowledge v RDF
2005-10-28
- Burningbird » Portable Data
This is the true power of RDF over relational: relational doesn’t work well with isolated, discrete objects, while RDF does. It is a truly portable database. Anyone can drop the data in at their sites without worry about having to create a database, or manage it. As for portability: how easy can you copy files?
2005-10-14
- Stefano's Linotype ~ Data First vs. Structure First
2005-10-12
- ARQ - A SPARQL Processor for Jena
2005-10-10
- BBC - Backstage
2005-10-06
- Altova SemanticWorks
RDF/OWL editor from the creators of XMLSpy
2005-10-06
- Lost Boy: Using Jena in an Application Server
2005-10-04
- Connecting Social Content Services using FOAF, RDF and REST
2005-09-29
- Simple javascript RDF Parser and query thingy.
2005-09-28
- RDF-Gravity
RDF Gravity is a tool for visualising RDF/OWL Graphs/ ontologies.
2005-09-25
- SemErgence: Oracle 10g Support for RDF
Oracle 10g Support for RDF
2005-09-23
- LargeTripleStores - ESW Wiki
2005-09-17
- Elias Torres » From XML to RDF: how semantic web technologies will change the design of ‘omic’ standards
2005-09-14
- danbri’s foaf stories » SPARQLing Protégé-OWL Jena integration
2005-08-18
- Internet Alchemy Tinky and SKOS
2005-07-04
- Danny Ayers, Raw Blog - RSS extensions
I know how I’m going to support these multiple extensions in my own code. I’ll have the RDF model internally and map to it (XSLT for now), taking advantage of subclass/subproperty inference for dealing with the semantic differences between the different formats (as Suzan suggests). SPARQL will allow me to query across the diffferent properties out of the box. Best of luck to everyone else.
2005-06-29
- Lost Boy: Fun with Jena Rules
Extracting richer metadata from tagging conventions
2005-06-24
- XML.com: Introducing SKOS
2005-06-24
- EBB: ebiquity blog at UMBC » SKOS: Simple Knowledge Organization System
2005-06-23
- http://swoogle.umbc.edu/about.php
Swoogle is a crawler-based indexing and retrieval system for the Semantic Web --
RDF and OWL documents encoded in XML or N3. Swoogle extracts metadata for each discovered document, and computes relations among them. Discovered documents are also indexed by an information retrieval system which can use either character N-Gram or URIrefs as keywords to find relevant documents and to compute the similarity among a set of documents. One of the interesting properties we compute is ontology rank, a measure of the importance of a Semantic Web document.
2005-06-15
- AgentFrank - Main - Wiki - 0xDECAFBAD
The goal of Agent Frank is to be a personal intelligent intermediary and companion to internet infovores during their daily hunter/gatherer excursions.
2005-06-15
- Finding RDF instance data with Swoogle
Searching for country ontologies
2005-06-02
- Planet RDF
2005-05-20
- SKOS Core Guide
2005-05-15
- Processing A Site Summary Format with Jena
2005-04-30
- http://www.openrdf.org
Sesame is an open source RDF database with support for RDF Schema inferencing and querying.
2005-04-26
- http://www.blogmarks.net/tag/rdf
2005-04-26
- RDF Exporter Plugin for iPhoto
2005-04-21
- Pigsty - a Firefox extension for RDF galleries
2005-04-21
- sparqling days / iphoto rdf export
2005-04-21
- Might FOAF be a plain XML language?
2005-02-10
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