Báo cáo khoa học: "Noun-phrase co-occurrence statistics for semi-automatic semantic lexicon construction" ppt

... Workshop on Formalisms and Methodology for Learning by Reading. Association for Computational Linguistics, Los Angeles, Califor- nia, June. Tom O’Hara and Janyce Wiebe. 2003. Preposi- tion semantic ... true L 0 norm. 2 We perform a grid search to tune the hyper-parameters of the smoothed L 0 prior for ac- curacy on the preposition against, since it has a medium number of senses and in...

Ngày tải lên: 20/02/2014, 05:20

... Association for Computational Linguistics Unsupervised Topic Modelling for Multi-Party Spoken Discourse Matthew Purver CSLI Stanford University Stanford, CA 94305, USA mpurver@stanford.edu Konrad ... desired general level of granularity. For each set of annotations, we therefore performed two sets of segmentations: one in which the threshold was set for each meeting to give the known...

Ngày tải lên: 20/02/2014, 11:21

... words in English. Measure words are usually used for mass nouns and any semantically appropriate nouns can func- tion as the measure words. For example, in the phrase three bottles of water, ... quantity of objects. Therefore, in the English-to-Chinese machine translation task we need to take additional efforts to generate the missing measure words in Chinese. For example, when tr...

Ngày tải lên: 08/03/2014, 01:20

... various ways, not necessarily being identical to t. For ex- ample, both topic semantic web” and semantic web search engine” can match the query semantic web search engine”. The probability is ... search for experts. Table 3 shows five forms of topic discovering from a given query. Forms Description Sample Phrase Match(Q P ) The exact match with origi- nal query given by us...

Ngày tải lên: 08/03/2014, 01:20

... nent provides very rich syntactic and semantic information which has not been explored before for intonation modeling. This includes, for ex- ample, the semantic role played by each seman- tic ... The semantic constituent boundary before the word. The semantic constituent boundary after the word. The semantic feature of the word. The semantic role played by the immed...

Ngày tải lên: 08/03/2014, 05:21

... bottom-up information. The top-down information is available through a left- corner resp. head-corner table, which turn out to be quite informative for this grammar. The head-corner parser performs ... step, thus leading to inferior performance. Bottom-up parsing is far more attractive for lexi- calist formalisms, as it is driven by the syntactic in- formation associated with lexi...

Ngày tải lên: 09/03/2014, 01:20

... of type t appears for a given semantic frame occur- rence 3 . For the frame WinPrize these parameters would enforce that there exists exactly one Winner and exactly one Opponent for each occurrence ... θ c,t [draw sem class for arg] GenSemClass(c  c,t ) [recurse] Figure 2: The generative story for the Bayesian model for unsupervised semantic parsing. tributions over syntactic...

Ngày tải lên: 23/03/2014, 16:20

... when neces- sary. For the extraction of semantic class, we use OntoNotes entity type annotation for proper names and an automatic assignment of semantic class via WordNet hypernyms for common nouns. Coarse-grained ... best of our knowledge, we therefore present the first English corpus reliably annotated for a wide range of IS categories as well as full anaphoric information for...

Ngày tải lên: 30/03/2014, 17:20

... dataset, we obtained 33.1– 36.5 for actT; 33.3–38.0 for actP; 37.7-39.9 for actTP. On the EP09 dataset, the numbers were 35.8–39.1 for actT; 38.1–39.9 for actP; 37.2–39.8 for actTP. 4 We did not have ... contextual features for all the senses of the target. For example, among the top 20 features for coach, we get match and team (for the “trainer” sense) as well as driver a...

Ngày tải lên: 30/03/2014, 21:20

... more on the Chinese-side information than on the English-side information. Therefore, the Chinese-side informa- tion is more beneficial than the English-side in- formation. In order to show ... existing methods rely only on one-side information for sentence ranking, which is not very reliable. In order to leveraging both-side information for sentence ranking, we propose the followi...

Ngày tải lên: 30/03/2014, 21:20