Báo cáo khoa học: "Automatic Cost Estimation for Tree Edit Distance Using Particle Swarm Optimization" doc

... 289–292, Suntec, Singapore, 4 August 2009. c 2009 ACL and AFNLP Automatic Cost Estimation for Tree Edit Distance Using Particle Swarm Optimization Yashar Mehdad University of Trento and FBK - Irst Trento, ... assignment of edit costs. 1 Introduction Among many tree- based algorithms, Tree Edit Distance (TED) has offered many solutions for various NLP applications...

Ngày tải lên: 23/03/2014, 17:20

... Statistics. http://www.nist.gov/speech/tests/mt /doc/ ngram-study.pdf. Takashi Oyamada, Hiroshi Echizen-ya and Kenji Araki. 2010. Automatic Evaluation of Machine Translation Using both Words Information and Comprehensive Phrases Information. ... Association for Computational Linguistics, pages 108–117, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics...

Ngày tải lên: 23/03/2014, 16:20

... used for training. 7 Classification Results For all experiments, we used sections 2-20 of the PDTB for training and sections 21-22 for testing. Sections 0-1 were used as a development set for feature ... 2% for Comparison, and 6% for Contingency. 7.3 Best results Adding other features to word pairs leads to im- proved performance for Contingency, Expansion and Temporal relation...

Ngày tải lên: 30/03/2014, 23:20

... context in- formation at the sentence level, we adopt the topical context information in our method for the following reasons: (1) the topic informa- tion captures the context information beyond the ... Discriminative Corpus Weight Estimation for Machine Translation. In Proc. of EMNLP 2009, pages 708-717. Nick Ruiz and Marcello Federico. 2011. Topic Adapta- tion for Lecture Translatio...

Ngày tải lên: 19/02/2014, 19:20

... Association for Computational Linguistics An Approximate Approach for Training Polynomial Kernel SVMs in Linear Time Yu-Chieh Wu Jie-Chi Yang Yue-Shi Lee Dept. of Computer Science and Information ... feature conjunctions. However, the training and testing time costs for polynomial kernel SVM is far slow than the linear kernel. For example, it took one day to train the CoNLL-...

Ngày tải lên: 20/02/2014, 12:20

... systems (Leuf and Cunningham, 2001). As they offer fast and simple means for adding and editing content, they are used for various purposes such as creating encyclopedias (e.g. Wikipedia 2 ), ... system pro- totype contains adaptors for two widely used wiki engines: MediaWiki 5 and TWiki 6 . Adaptors for other wiki engines can be added with minimal effort. Gen- erally, Wikulu could al...

Ngày tải lên: 07/03/2014, 22:20

... segmenta- tion standard adopted in this paper is CTB (Chi- nese Treebank). Stanford Chinese word segmenter (STANFORD): The Stanford Chinese word seg- menter is another well-known CWS tool (Tseng ... perform deeper linguistic analysis, such as part-of-speech tagging, synonym matching, semantic role labeling, etc. Since part-of-speech tags are only defined for Chinese words and not fo...

Ngày tải lên: 17/03/2014, 00:20

... a packed forest (forest for short) structure is used to effectively represent <T n-best > for decod- ing. Forest-based approaches can increase the tree- to-string search space for decoding, ... similar source parse trees for decoding at the decoding time, which aims to increase the tree- to-string search space for decoding, and improve decoding gener- alization for t...

Ngày tải lên: 17/03/2014, 00:20

... performance on both by sharing infor- mation between them. We present a joint model for these two subtasks: it is joint not only in that it performs both tasks simultaneously, sharing in- formation, ... used top three tag-sets and top three lemmas for each tag for training. for word w i , for j = 1 . . . k. Also, let l i (t) j de- note the top lemmas for word w i given tag t. An a...

Ngày tải lên: 17/03/2014, 01:20

... 2001). 6 qtag exists as a downloadable JAR file and can therefore be integrated into a platform inde- pendent JAVA program. For more information, see http://www.english.bham.ac.uk/staff/omason/software/qtag.html (last ... context information is taken into account, when searching for the meaning of such a word. In this paper, I will present the incremental ontology learning framework On2L....

Ngày tải lên: 23/03/2014, 18:20