Semanlink - Ruslan Salakhutdinov

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Ruslan Salakhutdinov

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Russ Salakhutdinov sur Twitter : "Are Model Explanations Useful in Practice? Rethinking How to Support Human-ML Interactions..."

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2023-04-02 A propos

[2102.07043] Reasoning Over Virtual Knowledge Bases With Open Predicate Relations

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> a method for constructing **a virtual KB (VKB) trained entirely from text**

Open Predicate Query Language (OPQL): constructing a virtual knowledge base (VKB) that supports KB reasoning & open-domain QA, tackling the incompleteness of knowledge bases by constructing a virtual KB only from text

> OPQL constructs
a VKB by **encoding and indexing a set of
relation mentions** in a way that naturally enables
reasoning and can be trained without any structured
supervision.

> can be used
as an **external memory integrated into a language
model**

cf. this earlier paper [[2002.10640] Differentiable Reasoning over a Virtual Knowledge Base](doc:2020/07/2002_10640_differentiable_rea). But does not require an initial structured KB for distant
supervision.

> The key idea in constructing the OPQL VKB is to use a
dual-encoder pre-training process, similar to 
[[1906.03158] Matching the Blanks: Distributional Similarity for Relation Learning](doc:2021/05/1906_03158_matching_the_blank)

Related work section refers to [[1909.04164] Knowledge Enhanced Contextual Word Representations](doc:2020/05/1909_04164_knowledge_enhanced). Also refers to [[2007.00849] Facts as Experts: Adaptable and Interpretable Neural Memory over Symbolic Knowledge](doc:2020/07/2007_00849_facts_as_experts_) (some authors in common)

2021-06-20 A propos

[2002.10640] Differentiable Reasoning over a Virtual Knowledge Base

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2020-07-11 A propos

End-to-End Learning with Text & Knowledge Bases (Bhuwan Dhingra PhD Thesis)

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2020-07-06 A propos

Siamese Neural Networks for One-shot Image Recognition (2015)

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2019-08-06 A propos

Integrating Domain-Knowledge into Deep Learning (2019)

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2019-03-03 A propos

[1901.02860] Transformer-XL: Attentive Language Models Beyond a Fixed-Length Context

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2019-01-11 A propos

[1809.00782] Open Domain Question Answering Using Early Fusion of Knowledge Bases and Text

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2018-09-06 A propos

[1806.05662] GLoMo: Unsupervisedly Learned Relational Graphs as Transferable Representations

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2018-06-23 A propos

[1603.08861] Revisiting Semi-Supervised Learning with Graph Embeddings

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2018-02-13 A propos

Human-level concept learning through probabilistic program induction (2015)

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2018-01-04 A propos

Semantic hashing (2008) - Ruslan Salakhutdinov, Geoffrey Hinton

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> We show how to learn a deep graphical model of the word-count vectors obtained from a
large set of documents. The values of the latent variables in the deepest layer are easy to
infer and give a much better representation of each document than Latent Semantic Analysis.
When the deepest layer is forced to use a small number of binary variables (e.g. 32),
the graphical model performs ‘‘semantic hashing”: Documents are mapped to memory
addresses in such a way that semantically similar documents are located at nearby
addresses. Documents similar to a query document can then be found by simply accessing
all the addresses that differ by only a few bits from the address of the query document. This
way of extending the efficiency of hash-coding to approximate matching is much faster
than locality sensitive hashing, which is the fastest current method. By using semantic
hashing to filter the documents given to TF-IDF, we achieve higher accuracy than applying
TF-IDF to the entire document set.

Indexing is implemented in the following manner: a document is mapped to a word-count vector and then this vector is passed through a [#Restricted Boltzmann Machine](/tag/restricted_boltzmann_machine) autoencoder and encoded to 32-bit address.

2017-11-07 A propos

[1703.00993] A Comparative Study of Word Embeddings for Reading Comprehension

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2017-08-28 A propos

Ruslan Salakhutdinov - Carnegie Mellon School of Computer Science

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Ruslan Salakhutdinov

2017-08-28 A propos

Propriétés

sl:creationDate : 2017-08-28
sl:creationTime : 2017-08-28T00:20:03Z
rdf:type : sl:Tag
skos:altLabel : Russ Salakhutdinov
skos:prefLabel : Ruslan Salakhutdinov