Báo cáo khoa học: "Extracting Hypernym Pairs from the Web" potx

... collect- ing hypernym relations from the web. We compare our approach with hypernym ex- traction from morphological clues and from large text corpora. We show that the abun- dance of available data on the ... a hypernym of A, B and C • A, B and C are siblings of each other Here, sibling refers to the relative position of the words in the hypernymy tree. Two words are s...

Ngày tải lên: 17/03/2014, 04:20

... candidate pairs, where the translation of the in-parenthesis terms is a suffix of the pre-parenthesis text. The lengths and frequency counts of the suffixes have been used to determine what is the ... a+b is the number of sentence pairs containing e i ; a+c is the number of sentence pairs containing f j ; d is the number of sentence pairs containing nei- ther e...

Ngày tải lên: 17/03/2014, 02:20

... progresses. Initially, the seed is the only trusted class member and the only vertex in the graph. The bootstrapping process begins by instan- tiating the doubly-anchored pattern with the seed class ... hyponym patterns to extract class instances from the web and then evalu- ates them further by computing mutual information scores based on web queries. The work by (Widdows...

Ngày tải lên: 17/03/2014, 02:20

... labeling. At the same time, we select samples of high confidence score from the rest and consider them correct E-C pairs. We then merge the labeled set with the high- confidence set in the PSM ... the selected pairs by removing the non- E-C pairs and add the labeled E-C pairs to the DQTP pool, and (iii) reestimate the PSM by using the updated DQTP pool. 113...

Ngày tải lên: 31/03/2014, 01:20

... about the Ko- rean comparative syntax and collect the corpus of Korean comparative sentences from the Web. As we refer to previous studies and investigate real comparative sentences form the ... superlative 153 validation show the overall precision of 88.68% and the overall recall of 88.40%. The remainder of the paper is organized as fol- lows. Section 2 describes the...

Ngày tải lên: 20/02/2014, 09:20

... First there is a transition from an initial state IS where the crate is not on the cargo boat to a final state FS where the crate is on the cargo boat. The final state can be expressed by the ... entity (crate), the THEME according to Gruber [9]. The initial state can be expressed (in this case) by the negation of the final state and is schematized in (1). The r...

Ngày tải lên: 17/03/2014, 08:20

... is found, the length of the quote is added to the edge weight, under the hypothesis that the significance of the re- lationship between two individuals is proportional to the length of the dialogue ... because the first 144 correlation is weak, we investigated whether fur- ther analysis could identify other evidence that confirms or contradicts the hypothesis. Another way to...

Ngày tải lên: 23/03/2014, 16:20

... expressiveness with regard to the relation between the student’s answer and the facet in question, (e.g., did the student contradict the facet or completely fail to address it?) Therefore, it is also ... illustrates the process of deriving the constituent facets that comprise the representation of the final reference answer. We begin by deter- mining the dependency p...

Ngày tải lên: 23/03/2014, 17:20

... represents the effect. The patterns are matched with the syntactic parse trees of sentences, and the parts of the parse tree that match with the slots in the patterns are extracted as the cause or the ... “+” indicating that the node is mandatory. If the mandatory nodes are not found in the sentence, then the pattern is rejected and no information is extracted from...

Ngày tải lên: 31/03/2014, 04:20

... score[i] denotes the score of position i. The words between position pre[i] and position i form the best chunk from the viewpoint of position i. The dscore(cO is the score of the probability ... P(ci) and the cscore(ci[ci-l) is the score of the probability P(cilci-l). These scores are collected from the training corpus, SUSANNE corpus (Sampson, 1993; S...

Ngày tải lên: 31/03/2014, 06:20