Báo cáo khoa học: "Choosing Sense Distinctions for WSD: Psycholinguistic Evidence" potx

... pages 249–252, Columbus, Ohio, USA, June 2008. c 2008 Association for Computational Linguistics Choosing Sense Distinctions for WSD: Psycholinguistic Evidence Susan Windisch Brown Department ... unre- lated senses), we found a reliable difference (same sense mean: 1056ms, different sense mean: 1272ms; t 32 =6.33; p<.0001). We also found better accuracy for same...

Ngày tải lên: 23/03/2014, 17:20

... that uses the VSM to compute sense similarity for terms from parallel corpora. The sense similarities, i.e. the translation probabilities in a translation mod- el, for units from parallel corpora ... co-occurrence counts of the two units. Therefore, questions emerge: how good is the sense similarity computed via VSM for two units from parallel corpora? Is it useful for mul...

Ngày tải lên: 20/02/2014, 04:20

... other senses discovered for cheat, we notice that the model has induced a myriad of senses: the relationship sense of cheat (senses 1, 3 and 4, e.g. husband cheats); the exam usage of cheat (sense ... gold sense x, then sense a is mapped to gold sense x. Therefore, if the proportion of junk senses in the map- ping instances is low, their influence on WSD results will be negligible....

Ngày tải lên: 17/03/2014, 22:20

... used for training. 7 Classification Results For all experiments, we used sections 2-20 of the PDTB for training and sections 21-22 for testing. Sections 0-1 were used as a development set for feature ... 2% for Comparison, and 6% for Contingency. 7.3 Best results Adding other features to word pairs leads to im- proved performance for Contingency, Expansion and Temporal relation...

Ngày tải lên: 30/03/2014, 23:20

... discussion of the under- lying complexity, for which we unfortunately do not have space here, we give an exter- nal form of a lexical entry for some of the senses of the German verb traeumen. ... PATR-style languages is their lack of facilities for defining new abstractions and expressing linguistic generalisations not foreseen (or even foreseeable) by the language designer....

Ngày tải lên: 22/02/2014, 10:20

... compo- nent describing their functional structure. For the rule for S, for instance, we add an ele- ment describing what the SUBJECT and PRED are for. We could say that the SUBJECT is the theme ... complete formal paraphrase of (1) must include at least as much information as we have given above. In particular, the logical structure of our para- phrases contains essential inform...

Ngày tải lên: 22/02/2014, 10:20

... and points on either side). See Dickinson and Meur- ers (2003b) for details. This work forms the basis for the DECCA system. 1 2.2 Motivation for Our Approach (2) a. NP qmp summit NP $rm Sharm NP Al$yx the ... Sheikh NP #a3 qmp summit #b1 S:1.2 NP NP^ $rm Sharm #b2 NP Al$yx The Sheikh For (2a) For (2b) For (2c) A:1.1,left #b3 NP Al$yx The Sheikh A:1.1,left #c3 $rm Sharm Figure 1...

Ngày tải lên: 17/03/2014, 00:20

... treebanks, making the inverse trans- formation for PADT more problematic than for the other treebanks. The absence of a positive effect for PADT is therefore understandable given the deeply nested ... Transformations, Parsers, and Treebanks Pseudo-projective parsing and transformations for coordination and verb groups are instances of the same general methodology: 1. Apply a tree tran...

Ngày tải lên: 17/03/2014, 04:20

... computed. However the link weights that perform this computation are the same for all the positions in the sequence. Therefore the infor- mation that was learned for an input and context in one sequence ... pattern for the gestalt inputs is straightforward, since these inputs per- tain to information about the sentence as a whole. Whenever a tag is input to the network, the activ...

Ngày tải lên: 23/03/2014, 19:20

... according to these search meth- ods was used for freq(X P). The freq(X) was de- rived from the WWW by performing a separate search for the single word form. Method I: cooccurrence NnearP or VnearP Volk ... al- gorithm for Dutch (van Herwijnen and Terken, 2001b). This phrasing algorithm uses syntactic in- formation and sentence length for the allocation of prosodic phrase boundarie...

Ngày tải lên: 24/03/2014, 03:20