Tài liệu Báo cáo khoa học: "AUTOMATIC NOUN CLASSIFICATION BY USING " ppt

... Focusing on nouns, the idea claims that each noun is characterized by Verbs with which it occurs, and also that nouns are similar to the extent that they share verbs. These automatic classification ... Figure 6 Another example of the classification of nouns 0.2 0.4 0.6 I J J 0.8 J Another example of the classification of nouns 1.0 l 205 Table 2 noun ~ d" b&qu...

Ngày tải lên: 20/02/2014, 21:20

... components. For the output components, the Scan infer- ences are replaced by Load inferences, which are not constrained by the input. The Compose inference does not constrain the d-spans of the ... undefined oth- erwise for . Our treatment of nonterminal productions begins by applying the chain rule 9 (3) (4) and continues by making independence assump- tions. The first assumption is th...

Ngày tải lên: 20/02/2014, 16:20

... performed by LEXTER, a terminology extraction software (Bourigault et al., 1996) : LEXTER gives a network of noun phrases which are likely to be terminological units and which are connected by ... robust syntactic analysis (using LEXTER, see section 2) followed by a semi-automatic semantic analysis where automatic clustering techniques are used interactively by the knowled...

Ngày tải lên: 22/02/2014, 03:20

... following two sentences from the BioScope corpus: 1) By contrast, {D-mib appears to be uniformly ex- pressed in imaginal discs }. 2) Differentiation assays using water soluble phor- bol esters reveal ... node label is replaced by *scope* or * respectively, and the node’s children are pruned from the rule tree; neighboring identical siblings of type *scope* or * are replaced by a singl...

Ngày tải lên: 20/02/2014, 04:20

... opinion implied by “valley” cannot be found by current techniques. Although Riloff et al. (2003) proposed a method to extract subjective nouns, our work is very different because many nouns implying ... model, and we found that in some domains nouns and noun phrases that indicate product features may also imply opinions. In many such cases, these nouns are not subjective but obj...

Ngày tải lên: 20/02/2014, 05:20

... performed using Recall-Oriented Understudy for Gisting Evaluation (ROUGE). ROUGE is a system for measuring the quality of a summary by comparing it to a correct summary created by human. ROUGE ... headline. The evaluation was done on the first 75 bytes of the summary. Knowing that the average word size in Arabic is 5 characters (Alotaiby et al. 2009) in addition to space charac...

Ngày tải lên: 20/02/2014, 05:20

... one of the newswire documents by: (1) randomly selecting a newswire document; (2) hand-picking a key individual, institution or event from the selected document, and using it to for- mulate a phrasal ... entities in the article as: v(E) def = |g(E)| where g is the set of matching documents returned by Google using a conjunctive query. We antici- pate that v will have two potentially u...

Ngày tải lên: 20/02/2014, 09:20

... as those of T 1 and H 2 differ by a noun, insurance and cash, respectively. At syntactic level, also, we can- not capture the required information as such nouns are both noun modifiers: insurance modifies ... al., 2005) by about 4.4 absolute percent points (63% vs. 58.6%) and 4% over our best lexical simi- larity measure. By comparing the average on all datasets, our system improves on...

Ngày tải lên: 20/02/2014, 12:20

... docu- ments. The idea behind our method is to utilize certain layout structures and lin- guistic pattern. By using them, we can automatically extract such sentences that express opinion. In our experiment, ... be used as polarity-tagged corpus. In case of AMA- ZON.COM, the review’s polarity is represented by using 5-star scale. However, both of the two approaches are not appropriate f...

Ngày tải lên: 20/02/2014, 12:20

... Modeling with Maximum Entropy Classification We use Maximum Entropy classification for the task of finding pro and con sentences in a given review. Maximum Entropy classification has been successfully ... extract features 483 of products and identify sentences that contain opinions about those features by using opinion words and phrases. Here, we focus on extracting pros and...

Ngày tải lên: 20/02/2014, 12:20