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Cross-lingual semantic specialization via lexical relation induction
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23 |
Do we really need fully unsupervised cross-lingual embeddings?
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Pointwise HSIC: A Linear-Time Kernelized Co-occurrence Norm for Sparse Linguistic Expressions ...
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Abstract:
In this paper, we propose a new kernel-based co-occurrence measure that can be applied to sparse linguistic expressions (e.g., sentences) with a very short learning time, as an alternative to pointwise mutual information (PMI). As well as deriving PMI from mutual information, we derive this new measure from the Hilbert--Schmidt independence criterion (HSIC); thus, we call the new measure the pointwise HSIC (PHSIC). PHSIC can be interpreted as a smoothed variant of PMI that allows various similarity metrics (e.g., sentence embeddings) to be plugged in as kernels. Moreover, PHSIC can be estimated by simple and fast (linear in the size of the data) matrix calculations regardless of whether we use linear or nonlinear kernels. Empirically, in a dialogue response selection task, PHSIC is learned thousands of times faster than an RNN-based PMI while outperforming PMI in accuracy. In addition, we also demonstrate that PHSIC is beneficial as a criterion of a data selection task for machine translation owing to its ... : Accepted by EMNLP 2018 ...
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Keyword:
Computation and Language cs.CL; FOS Computer and information sciences; Machine Learning stat.ML
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URL: https://dx.doi.org/10.48550/arxiv.1809.00800 https://arxiv.org/abs/1809.00800
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27 |
Other Topics You May Also Agree or Disagree: Modeling Inter-Topic Preferences using Tweets and Matrix Factorization ...
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28 |
An Attentive Neural Architecture for Fine-grained Entity Type Classification ...
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33 |
A New Probabilistic LR Language Model for Statistical Parsing
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In: ftp://ftp.cs.titech.ac.jp/lab/tanaka/papers/97/inui97a.ps.gz (1997)
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Natural Language Analysis and Generation Technologies
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In: ftp://ftp.cs.titech.ac.jp/pub/TR/93/TR93-0028.ps.gz (1993)
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Text Revision: A Model and Its Implementation
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In: ftp://ftp.cs.titech.ac.jp/pub/TR/92/TR92-0011.ps.gz (1992)
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An Empirical Study on Statistical Disambiguation of Japanese Dependency Structures Using a Lexically Sensitive Language Model
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In: http://galaga.jaist.ac.jp:8000/~kshirai/papers/shirai97d.pdf
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An Empirical Evaluation on Statistical Parsing of Japanese Sentences using Lexical Association Statistics
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In: http://www.aclweb.org/anthology-new/W/W98/W98-1510.pdf
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Fine-grained Utterance Delimitation and Organization in Incremental Explanation Generation
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In: ftp://ftp.cs.titech.ac.jp/lab/tanaka/papers/97/inui97d.ps.gz
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