Báo cáo khoa học: "Extracting a Representation from Text for Semantic Analysis" doc

... facet. Finally, we train a machine learning classi- fier on training data and use it to classify unseen test examples, assigning a Table 1 label for each reference answer facet. We used a variety ... fine-grained semantic rep- resentation of text and an approach to con- structing it. This representation is largely extractable by today’s technologies and facili- tates more d...

Ngày tải lên: 23/03/2014, 17:20

... schizophrenia, heart disease and AIDs (fifty abstracts from each area). The texts were analysed to identify: 1. the different roles and attributes that are in- volved in a causal situation. Cause and ... were applied to two sets of new abstracts downloaded from Medline: 100 new abstracts from the origi- nal four medical areas (25 abstracts from each area), and 30 abstracts from tw...

Ngày tải lên: 31/03/2014, 04:20

... tagged texts and outputs a linear chunk sequences. We assign a syntactic head and a semantic head to each chunk. Then, we extract the plausible maximal noun phrases according to the information ... extracted to form a potential chunk grammar and the adjacent tree structures are also extracted to form a potential context chunk grammar. After the training process, total 10937...

Ngày tải lên: 31/03/2014, 06:20

... convincing ways of evaluation (Jin- dal and Liu, 2006). A comparative sentence for- mulates an ordering relation between two entities and that relation is very useful for many applica- tion areas. One ... Tags for compar- ative and superlative in English 1 , whereas, unfor- tunately, the POS tagger of Korean does not pro- vide any comparative and superlative tags be- cause the analys...

Ngày tải lên: 20/02/2014, 09:20

... pressure, and assume that learning takes place in an environment where simple semantic representations of the speech intent are available to the acquisition mechanism. For example, we approximate ... These text utterances were run through a publicly available text- to-phone engine. A semantic dictio- nary was created by hand, in which each root word from the utterances wa...

Ngày tải lên: 08/03/2014, 07:20

... JM, ePlazas PV, Watkins M, Gomez-Casati ME, Olivera BM & Elgoyhen AB (2005) A novel alpha- conotoxin, PeIA, cloned from Conus pergrandis, discriminates between rat alpha9alpha10 and alpha7 nicotinic ... Target SI ICCNPACGPKYSC a a 1 b 1 cd SIA YCCHPACGKNFDC a a 1 b 1 cd GI ECCNPACGRHYSC a a 1 b 1 cd GIA ECCNPACGRHYSCGK a a 1 b 1 cd GII ECCHPACGKHFSC a a 1 b 1 cd MI GRCCHPACG...

Ngày tải lên: 16/03/2014, 11:20

... carrying a BamHI site (forward: GGATCCGCGGATCAACAAG CAGGAACA) and a SalI site (reverse: GTCGACTCA CGTGGTCTGAGAGCACAC) for directional cloning (restriction sites underlined). The amplified fragment was subcloned ... stable. After transformation, the majority of agrobacteria were removed by extensive washing and the A. thaliana cells were in part analysed for transgene activity (Fig. 3A...

Ngày tải lên: 17/03/2014, 03:20

... have been ap- plied to large and very large text corpora. Today, the web contains more data than the largest available text corpus. For this reason, we are interested in em- ploying the web for ... 1.98 morphological approach 0.54 0.33 0.41 1.19 Table 1: Performances measured in our earlier work (Tjong Kim Sang and Hofmann, 2007) with a mor- phological approach and patterns applied...

Ngày tải lên: 17/03/2014, 04:20

... 20 Caceres A, Alvarez AV, Ovando AE & Samayoa BE (1991) Plants used in Guatemala for the treatment of respiratory diseases. 1. Screening of 68 plants against gram-positive bacteria. J Ethnopharmacol ... philadelphica Lam, commonly known as a tomatillo, is a staple of the Mesoamerican cuisine. In our laboratory, an ethyl acetate-soluble extract and four withanolides [ixocarpalactone...

Ngày tải lên: 23/03/2014, 10:20

... The characters are in the same place at the same time; 2. The characters take turns speaking; and 3. The characters are mutually aware of each other and each character’s speech is mutually intended ... indicates verbal expression (such as “said”), and then a character mention, a category called Character trigram is assigned to the quote. The fifth category is a catch-all for quotes tha...

Ngày tải lên: 23/03/2014, 16:20