Báo cáo khoa học: "Pivot Approach for Extracting Paraphrase Patterns from Bilingual Corpora" ppt

... China wanghaifeng@rdc.toshiba.com.cn Abstract Paraphrase patterns are useful in paraphrase recognition and generation. In this paper, we present a pivot approach for extracting para- phrase patterns from bilingual parallel ... 780–788, Columbus, Ohio, USA, June 2008. c 2008 Association for Computational Linguistics Pivot Approach for Extracting Paraphrase Pattern...

Ngày tải lên: 31/03/2014, 00:20

... (See Section 5 for a review of prior work in this area.) In this paper, we de- velop a new approach to learning phrase transla- tions from parallel corpora, and show that it per- forms with very ... assistant for a lexi- cographer that proposes technical terms extracted from a corpus using monolingual methods, and for those approved by the user, proposes possible translations fro...

Ngày tải lên: 17/03/2014, 22:20

... gathering information relevant to the problem and making deductions based on that information. In some cases, that information is gathered from a system environment, while in others, the information ... opportunity to provide additional relevant information. Even if this information is not strictly necessary for the problem-solving activity, it provides information about the user&...

Ngày tải lên: 21/02/2014, 20:20

... simply extend previous method from English to Chinese, we also proposed an effective way to recognize function tags directly from lexical information, which is eas- ily scalable for languages that lack ... y T , from a given sequence of input words x = x 1 , , x T , where y i ∈ Σ. Therefore the function labeling task can be formulated as a stream of se- quence learning problem. The ge...

Ngày tải lên: 08/03/2014, 01:20

Ngày tải lên: 09/03/2014, 01:20

... trend is for HMM smoothing to outperform LSA, which in turn outperforms TF and TF-IDF. HMM tagging performance on OOV terms improves by 11%, and chunking performance by 21%. Tagging perfor- mance ... v|x i ). For exam- ple, the left context for “reformulated” in our ex- ample above would contain a nonzero probability for the word “of.” Using the features F(x i ), a se- quence labeler...

Ngày tải lên: 17/03/2014, 01:20

... of rule that is quite different from the ordinary rules. This distinguishes the system from, for example DCG. With PATR and DCG the possibility of percolation from, say topic to trace, influ- ... Although other approaches, such as direct movement, are feasible too, we win adhere to the comp-to-comp approach. Data from Spanish (Torrego 1984) also seem to support the preference...

Ngày tải lên: 18/03/2014, 02:20

... distinguishing incorrect parts from correct parts is therefore very desir- able not only for post-editing and interactive ma- chine translation (Ueffing and Ney, 2007) but also for SMT itself: either ... SMT systems or from system outputs. To some extent, it has already been considered by SMT systems. Hence finding external information 604 sources from outside SMT systems is desired...

Ngày tải lên: 23/03/2014, 16:20

... the form NP + $1/ PRNAME; go to 5. 4.2. No: go to 5. 5. Enter SFORM, and determine quasi-logical form of parsed formula; enter LF, and determine logical trans- lation of quasi-logical formula; ... PHI/.n in the formula on Shelf 12 with copies of the formula in the workspace; go to 6. 6. Read in next PHI from Shelf 9. 6.1. Succeed: go to 5. 6.2. Fail: transfer formula from Sh...

Ngày tải lên: 30/03/2014, 17:20

... ap- propriate for a formalism like CCG with a large set of lexical categories than one generic token for all unknown words. The performance of the baseline model is shown in the top row of table 3. For ... performance, nor does it alle- viate the problem for sentences with missing lexical entries for seen words. 5 We compute λ in the same way as Collins (1999), p. 185. 6 Smoothing w...

Ngày tải lên: 31/03/2014, 06:20