Báo cáo khoa học: "Text Summarization Model based on Maximum Coverage Problem and its Variant" pot

... sentence compression based on syntactic or heuristic rules. McDonald (2007) formulated text summariza- tion as a knapsack problem and obtained the global solution and its approximate solutions. Its relation ... sentences, while MCKP-Rel focuses directly on coverage. Suppose sentence s 1 contains conceptual units A and B, s 2 contains A, and s 3 contains B. The proposed...

Ngày tải lên: 17/03/2014, 22:20

... twice, once on the set of collections containing the update docu- ments, and the second time on the set of collections containing the base documents. Then, for each collection, the obtained base and ... new, the goal of update summarization is to extract and synthesize the novel information. Update summarization is also related to con- trastive summarization, i.e. the problem...

Ngày tải lên: 31/03/2014, 20:20

... acknowledged that a model yielding good predictions on a wide variety of data could be expected to contain some degree of correlation between its com- ponents and mechanisms and the components and mechanisms ... mathematical modeling, allow one to focus more on the explanations deduced from the information-rich data, rather than on the data itself. The strong focus on the no...

Ngày tải lên: 23/03/2014, 06:20

... evaluation, judges the quality of the summarization based on how it affects the completion of some other task. There have been a number of extrinsic evalua- tions, including question-answering and ... Table 3: Categorization Task Contingency Table. X and Y are distinct categories other than None- of-the- above, represented as None. The first test was a summarization condit...

Ngày tải lên: 31/03/2014, 21:20

... our work and existing approaches is that our model considers three kinds of additional information (i.e., contextual, response and friend- ship information) for sentiment recognition. In recent ... presentation system.  Technically, we integrate a language -model- based classifier approach with a Markov- transition model to exploit three kinds of in- formation (i.e., contextual...

Ngày tải lên: 20/02/2014, 05:20

... organization module classifies term descriptions based on domains, for which we use do- main and description models. In Section 3, we elabo- rate on our organization model. 2 <DT> and <DD> ... not only extraction but generation of ency- clopedic knowledge. Section 2 explains the overall design of our ency- clopedia generation system, and Section 3 elaborates on our...

Ngày tải lên: 20/02/2014, 18:20

... related work of conventional AES methods is addressed in section 2. The details of the speech corpus and the examination grading criterion are introduced in section 3. The FST model and its improved ... method are proposed in section 4. The experiments and the results are presented in section 5. The final section presents the conclusion and future work. 2 Related Work Conventional...

Ngày tải lên: 07/03/2014, 18:20

... normalized current duration and the following one. In the above description, we assumed that the event of a syllable is only dependent on its observa- tions, and did not consider contextual effect. ... such as pitch and duration along with other knowledge to choose a proper word among several candidates in confusion networks. Prosodic boundaries based on acoustic cues were used...

Ngày tải lên: 07/03/2014, 22:20

... Association for Computational Linguistics:shortpapers, pages 53–57, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Latent Class Transliteration based on Source ... variations of proper nouns in Japanese and many other lan- guages. Accurate transliteration is also the key to robust machine translation systems. Phonetic -based rewriting models (Knig...

Ngày tải lên: 07/03/2014, 22:20

... performance for most configu- rations. The SR based models outperform the EB model in all configurations and evaluation metrics, except for P10 on the keyword based queries. The Lin model is always outperformed ... documents contain not only details of professions, but also a lot of infor- mation concerning the training and administrative issues. We only use those portions of the...

Ngày tải lên: 23/03/2014, 18:20