Báo cáo khoa học: "Learning Meronyms from Biomedical Text" ppt

... 49–54, Ann Arbor, Michigan, June 2005. c 2005 Association for Computational Linguistics Learning Meronyms from Biomedical Text Angus Roberts Department of Computer Science, University of Sheffield, Regent ... ex- traction from a corpus of anatomy defi- nitions, using a fully automatic iterative algorithm to learn simple lexico-syntactic patterns from multiword terms. The ex- periment...

Ngày tải lên: 17/03/2014, 06:20

Ngày tải lên: 24/03/2014, 03:20

... improve the accuracy of ordered- document recovery from a bag-of-words. Our approach opens the door to novel phenomena, for example, privacy leakage from index files. 1 Introduction A bag-of-words ... reverse direction of learning higher-order LMs from lower-order data. This work is inspired by re- cent advances in inferring network structure from co-occurrence data, for example, for c...

Ngày tải lên: 23/03/2014, 17:20

... objects from Web text. We show that the novel, domain-independent sequence frame in SEQ substantially boosts the precision and recall of the system and yields coherent sequences fil- tered from low-precision ... extractions (x, k, s) from text, and then classifying those extractions as either cor- rect or incorrect. In the following section, we describe a way to identify candidate extrac...

Ngày tải lên: 23/03/2014, 16:20

... construct grammatical sentences expressing an idea. He can extract meaning from sen- tences, and construct sentences from meaning. The rules he uses to do this have been given him in a de- scriptive ... freedom. All the discussions regarding inter- pretation, composition, and meaning can be transposed from music to language with considerable pertinency. Many terms are defined sole...

Ngày tải lên: 30/03/2014, 17:20

... algorithm that can learn from partial parses whose yields are partially contiguous. Apart from bitext projections, this work can be extended to other cases where learning from par- tial structures ... tags. A baseline parser was built to compare learning from partial parses with learning from fully con- nected parses. Full parses are constructed from partial parses in the projecte...

Ngày tải lên: 30/03/2014, 21:20

... al- ready introduced (the cabinet), such as the panels or the top (underlined) in the following example from the GNOME corpus (Poesio et al., 2004). (1) The combination of rare and expensive ma- terials ... cabinet] i indicates that it was a particularly expensive commission. The four Japanese lacquer panels date from the mid- to late 1600s and were created with a technique known as kijim...

Ngày tải lên: 31/03/2014, 03:20

... 2012. c 2012 Association for Computational Linguistics Learning the Latent Semantics of a Concept from its Definition Weiwei Guo Department of Computer Science, Columbia University, New York, NY, ... discover more overlapping words. How- ever, exact word matching is lossy. Below are two definitions from WN: bank#n#1: a financial institution that accepts deposits and channels the money into...

Ngày tải lên: 19/02/2014, 19:20

... instances), from the TimeBank corpus annotated in TimeML (Pustejovky et al., 2003). The non- WSJ articles (mainly political and disaster news) include both print and broadcast news that are from ... two peaks in this distribution. One is from 5 to 7 in the natural logarithmic scale, which corresponds to about 1.5 minutes to 30 minutes. The other is from 14 to 17 in the natural l...

Ngày tải lên: 20/02/2014, 12:20

... automat- ically learning effective dialogue strategies, generated from a library of dialogue content, using reinforcement learning from user feed- back. This library includes greetings, so- cial ... can automatically compose a dialogue strategy from a li- brary of dialogue components, that is very similar to a manually designed expert strategy, by learning from user feedback. Thus, in...

Ngày tải lên: 20/02/2014, 12:20