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EMNLP
2011
14 years 1 months ago
Quasi-Synchronous Phrase Dependency Grammars for Machine Translation
We present a quasi-synchronous dependency grammar (Smith and Eisner, 2006) for machine translation in which the leaves of the tree are phrases rather than words as in previous wor...
Kevin Gimpel, Noah A. Smith
ICPR
2010
IEEE
15 years 6 months ago
Efficient Semantic Indexing for Image Retrieval
Semantic analysis of a document collection can be viewed as an unsupervised clustering of the constituent words and documents around hidden or latent concepts. This has shown to i...
Chandrika Pulla, Suman Karthik, C. V. Jawahar
KDD
2004
ACM
210views Data Mining» more  KDD 2004»
16 years 2 months ago
Probabilistic author-topic models for information discovery
We propose a new unsupervised learning technique for extracting information from large text collections. We model documents as if they were generated by a two-stage stochastic pro...
Mark Steyvers, Padhraic Smyth, Michal Rosen-Zvi, T...
COLING
1994
15 years 3 months ago
Categorial Grammar And Discourse Representation Theory
In this paper it is shown how simple texts that can be parsed in a Lambek Categorial Grammar can also automatically be provided with a semantics in the form of a Discourse Represe...
Reinhard Muskens
COLING
2010
14 years 9 months ago
Citation Author Topic Model in Expert Search
This paper proposes a novel topic model, Citation-Author-Topic (CAT) model that addresses a semantic search task we define as expert search
Yuancheng Tu, Nikhil Johri, Dan Roth, Julia Hocken...