Báo cáo khoa học: "Word-Sense Disambiguation Using Decomposable Models and Janyce Wiebe" pdf

... Word-Sense Disambiguation Using Decomposable Models Rebecca Bruce and Janyce Wiebe Computing Research Lab and Department of Computer Science New Mexico ... selected from among the class of decomposable models. Decomposable models are a subclass of log-linear models and, as such, can be used to characterize and study the structure of data ([2]), ... contraste...

Ngày tải lên: 23/03/2014, 20:21

... resources like dictionar- ies and thesauri, and due to the importance of disambig- uation in applications like information retrieval and machine translation. The task of disambiguation is to assign ... Sense Disambiguation Using Semantic Relations and Adjacency Information Anil S. Chakravarthy MIT Media Laboratory 20 Ames ... dictionary and WordNet to match queries to...

Ngày tải lên: 08/03/2014, 07:20

... for combinatorial problems using depth-first and branch and bound strategies) and (4) extra-logical predicates (for help in debugging processes). Forward checking and looking ahead in- ference ... development methods and tech- niques that can assist large scale speech and hand- writing recognition systems using semantic knowl- edge from already available resources (MRDs...

Ngày tải lên: 22/02/2014, 10:20

... understanding of the text or frequency characteristics of it. One kind of information relates to the under- standing of the meaning of the text, using semantic and pragmatic knowledge and applying ... Lexieal disambiguation can be achieved using differ- ent sources of information. Aiming at high perfor- mance of automatic disambiguation it is important to know the relative...

Ngày tải lên: 17/03/2014, 08:20

... (Bangalore and Joshi, 1999). To obtain and evaluate supertag predictions, we re-trained the TnT Tagger on the combined NEGRA and TIGER treebanks (1997; 2002). Putting aside the standard NEGRA ... current and following words, the environment of the top stack word constructed so far, and the distance be- tween the top word and the next word. This oracle parser achieves a structural...

Ngày tải lên: 31/03/2014, 01:20

... 703–711, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics The impact of language models and loss functions on repair disfluency detection Simon Zwarts and Mark ... language models trained from text or speech corpora of vari- ous genres and sizes. The largest available language models are based on written text: we investigate the effect of writte...

Ngày tải lên: 20/02/2014, 04:20

... English to Iraqi Arabic and from Iraqi Arabic to English, and derive two sets of Viterbi alignments. By combining word align- ments in two directions using heuristics (Och and Ney, 2003), a single ... performance using downhill sim- plex method (Och and Ney, 2002). The language model is a statistical trigram model estimated with Modified Kneser-Ney smoothing (Chen and Good- man,...

Ngày tải lên: 20/02/2014, 12:20

... and WMEB using just the hand-picked seeds (S hand ) and 50 sample super- vised bagging (S gold BAG). Bagging with samples from S gold successfully increased the performance of both BASILISK and WMEB ... 50 sets of randomly unsupervised seeds, S rand . The next decision is how to sample S rand from L hand . One approach is to use uniform random sampling from restricted sections of L ha...

Ngày tải lên: 08/03/2014, 00:20

... shallow and partial interpretation. Simi- lar approaches are proposed in, for instance, the work on flexible parsing (Carbonell and Hayes, 1987) and in speech systems (cf. (Sj51ander and Gustafson, ... Robust Interaction through Partial Interpretation and Dialogue Management Arne JSnsson and Lena StrSmb~ick* Department of Computer and Information Science LinkSping Univers...

Ngày tải lên: 31/03/2014, 04:20

... peaks, in contrast to strains 665 and 937, shown in (C) and (E). However, there are only few similarities: 7232 and 7237 in (A) and (E), or 7509 and 7514 in (A) and (C). An obvious shift is the ... As mycelia and spores largely remained intact, and the extraction solution contained acetonitrile and methanol, the well-known hydrophobins were suspected to be the signal source,...

Ngày tải lên: 19/02/2014, 02:20