Báo cáo khoa học: "Word Sense Disambiguation using lexical cohesion in the context" ppt

... similarity, with the in- tention of focusing on the taxonomies of Word- Net. Assuming that the lexical hub for the right sense would maximize the cohesion with other words in the discourse, ... transform the context setting into the computational one to narrow down the specific meaning of the target, manually realiz- ing this with the help of Roget’s Thesau...

Ngày tải lên: 08/03/2014, 02:21

... namely that of bringing together a number of partial sources of information about a phenomenon and combining them in a principled manner. This is in the AI tradition of combining "weak" ... three LDOCE senses when the WordNet sense does not distinguish between them. The mapping also contained signific- ant gaps (words and senses not in the translation). SEMCOR...

Ngày tải lên: 17/03/2014, 07:20

... Result Up to the present, we have obtained the experimental results on 7 verbs in SENSEVAL-1 3 . In our exper- iment, for all sentences including target word in the training and test corpus of SENSEVAL-1, ... parsing using Apple Pie Parser (Sekine, 1996) and additional vertices using some rules automati- cally. If the resulted parsing includes some errors, we remove them by...

Ngày tải lên: 08/03/2014, 04:22

... at http://svmlight.joachims.org/. 4 If there are multiple sense tags for an instance in training set or test set, then only the first tag is considered as correct answer. Furthermore, if the answer of the instance in test set ... untagged. Then at the ninth iteration, A 9 was tagged as +1 since the label of A 9 was determined only by labeled points in kNN model: A 9 is closer...

Ngày tải lên: 23/03/2014, 19:20

... of the constrained vari- ables co-occur. When the expected frequencies speci- fied in the constraints are linear combinations of the observed frequencies in the training data, the resulting ... it using data containing only the four LDOCE senses corresponding to those used by others (usages not tagged as being one of these four senses were removed from both the tes...

Ngày tải lên: 23/03/2014, 20:21

... in V. The flip-flop Mgorithm begins by making an initiM assignment of the English transla- tions into two classes, and then uses the split- ting theorem to find the best question about the ... to the left, the word to the right, the first noun to the left, the first noun to the right, the first verb to the left, the first verb to the right, and the te...

Ngày tải lên: 08/03/2014, 07:20

... 1999). 3 Bilingual Bootstrapping 3.1 Overview Instead of using Monolingual Bootstrapping, we propose a new method for word translation disambiguation using Bilingual Bootstrapping. In translation ... data. (For the word ‘interest’, we only used its four major senses, because the remaining two minor senses occur in only 3.3% of the data) 3 The dictionary is cre...

Ngày tải lên: 20/02/2014, 21:20

... token offset) in the Chinese half of the parallel corpus from which the Chinese portion of the rule is extracted. The ac- tual sentence in the corpus containing the Chinese phrase, and the one sentence ... extracting grammar rules, we gathered WSD training data by following the proce- dure described in section 4. 6.1 Hiero Results Using the MT 2002 test set, we ran...

Ngày tải lên: 08/03/2014, 02:21

... selects a sense according to the priors on the senses and then selects a word from each language using the conditional probabilities for that sense. This may be imagined as a factoring of the joint ... to be the same as the English ones. So the two major tasks in build- ing the Concept Model are constructing the Spanish senses and then clustering the English and Spa...

Ngày tải lên: 08/03/2014, 04:22

... a set of the nouns, the meaning of the verb within the sentence can be determined ac- cordingly, because a set of the nouns characterises one of the possible senses of the verb. The basic ... ,,w,~) (7) The whole process is repeated until the newly ob- tained cluster, Setx, contains all the verbs in the input or the ICS is exhausted. 5 Word Sense Disamb...

Ngày tải lên: 08/03/2014, 21:20