Báo cáo khoa học: "Robust Word Sense Translation by EM Learning of Frame Semantics" docx

... many word senses in the two frames translate to each other; 2. A source word sense translates into a target word sense if their parent frames map to each other. The semantic frame in FrameNet ... (Boas, 2002). In terms of learning method, Chen and Palmer (2004) also used EM learning to cluster Chinese verb senses. Word Sense Translation Previous word sense...

Ngày tải lên: 17/03/2014, 04:20

... was done by creating a list of all WordNet synonyms of the target word, under all its possible senses, and picking randomly one of the synonyms as the source word. For example, the word ‘disc’ ... of speech tag- ger and WordNet’s lemmatization, the following feature set was used: bag of word lemmas for the context words in the preceding, current and fol- lowing sentence; uni...

Ngày tải lên: 20/02/2014, 12:20

... describes SENSELEARNER – a minimally supervised word sense disam- biguation system that attempts to disam- biguate all content words in a text using WordNet senses. We evaluate the accu- racy of SENSELEARNER ... model learning Sense tagged text semantic models SenseLearner definitions Word sense disambiguation Trained semantic models Sense tagged texts Figure 1: Semantic model...

Ngày tải lên: 20/02/2014, 15:20

... plausible senses for drug on the WSJ corpus (top half of Table 1). Sense 1 corresponds to the “enforcement” sense of drug, Sense 2 refers to “medication”, Sense 3 to the “drug industry” and Sense ... #l(s i ) indicates the number of elements in layer l assigned the sense s i , #l indicates the num- ber of elements in layer l, i.e., the size of the layer and S the number...

Ngày tải lên: 22/02/2014, 02:20

... the predominant sense of the target word. Determination of word sense dominance has many uses. An unsupervised system will benefit by backing off to the predominant sense in case of insufficient ... size of just one or two words on either side of the target word, but rather windows of 5 words in our experiments. 3 SENSEVAL-1 head words have a wide range of possible se...

Ngày tải lên: 08/03/2014, 21:20

... left to right by selecting a range of untrans- lated words and adding translations of this phrase to the end of the hypothesis being extended. When no untranslated words remain, the translation ... analysis of the text (it is of- ten ambiguous whether a piece of a word is part of the stem or merely a neighboring functional el- ement), and then make a subset of the bound...

Ngày tải lên: 17/03/2014, 02:20

... of two senses of a word, one can incrementally aug- ment these seed examples with additional examples of each sense, using a combination of the one -sense- per-collocation and one -sense- per-discourse ... to incrementally identify collocations for tar- get senses of a word, given a few seed collocations 1Note that the problem here is sense disambiguation: assigning ea...

Ngày tải lên: 31/03/2014, 06:20

... word w 11 the starting characters c 1 and c 2 of two con- secutive words 12 the ending characters c 1 and c 2 of two con- secutive words 13 a word of length l with previous word w 14 a word of ... end index: word = sent[start index end index] if (word, tag) consistent with tagdict: for item ∈ agendas[start index − 1]: item 1 = item item 1 .append( (word, tag)) agendas[end in...

Ngày tải lên: 20/02/2014, 09:20

... for the lemma system are better than those for the nonlem system for the 100K in 10 of the total 11 corpora. Of the total 40 random corpora, the lemma systems outperform the nonlem systems in 27 ... fea- tures of translation models of the lemmatization and non-lemmatization system. We found the integrated model improved all the components’ performance in the translation. 2 Moses t...

Ngày tải lên: 23/03/2014, 18:20

... system and, in this function, is one of the key players of catabolite repression. Mathematical modelling of signal transduction and gene expres- sion of the enzymes involved in the transport of ... – a comparison of modelling approaches Andreas Kremling, Sophia Kremling and Katja Bettenbrock Systems Biology Group, Max Planck Institute for Dynamics of Complex Technical Systems, M...

Ngày tải lên: 18/02/2014, 13:20