Báo cáo khoa học: "Community Answer Summarization for Multi-Sentence Question with Group L1 Regularization" pdf

... novel answer summarization method for community Question Answering services (cQAs) to address the problem of “in- complete answer , i.e., the “best answer of a complex multi-sentence question ... 1: An example of question with incomplete answer problem from Yahoo! Answers. The “best answer seems to miss valuable information and will not be ideal for re-use when similar...

Ngày tải lên: 07/03/2014, 18:20

... system variants. 3 For the seven defined tasks within each condition, users averaged 5.69 with the remote control and 5.40 with the tablet, paired t (34) = -1.203, p = n.s. For the four user- specialized ... presented in chart form and had an exact answer, such as the movie title that two specified actors/actresses starred in. For example, users had to find the movie in the d...

Ngày tải lên: 20/02/2014, 12:20

... information to be included in a query- focused summary. Several SVMs are trained using information from pyramids of summary content units. Their per- formance is compared with the best per- forming ... fluent answer to a need for information”, described by a short query (two or three sentences). DUC participants have to synthesize 250-word sized summaries for fifty sets of 25-50 documen...

Ngày tải lên: 20/02/2014, 12:20

... set with the learned content distribution for that document set’s topic, ζ (z) , where z is the topic for the given docu- ment set. Following this method, which we call SBH for “SumBasic with ... pioneer- ing summarization work performed at IBM in the 1950’s (Luhn, 1958), methods based on simple word statistics continue to outperform more complicated approaches to automatic summa...

Ngày tải lên: 07/03/2014, 22:20

... applied to a carbon-coated formvar grid, left for 1 min, fixed with glu- taraldehye, wicked dry with filter paper, and 2% uranyl acetate was added and the mixture was incubated for 2 min. The grid was ... incu- bated for 4 days with each of the peptides (10 lm), and cells were fixed and used for immunocytochemical analyses. Immunocytochemistry Neurons were fixed in 4% paraformaldehy...

Ngày tải lên: 18/02/2014, 13:20

... methine group. Besides 3-CH and 23-CH, no additional CH bearing a hydroxyl group is present, ruling out possible hydroxylation at methylene groups. Because all four methyl groups are accounted for, ... silica gel for each section with CHCl 3 :CH 3 OH (1 : 1). Products were analysed and puri- fied by reverse-phase HPLC with gradient elution as above. NMR All NMR measurements were perf...

Ngày tải lên: 18/02/2014, 17:20

... 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 ... 8-14 July 2012. c 2012 Association for Computational Linguistics Translation Model Adaptation for Statistical Machine Translation with Monolingual Topic Information ∗ Jinsong Su 1,2 ,...

Ngày tải lên: 19/02/2014, 19:20

... labelled information for training. Our sys- tem extracts transliteration pairs in an unsupervised fashion. It is also able to utilize labelled information if available, obtaining improved performance. We ... of the Association for Computational Linguistics, pages 469–477, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics A Statistical Model for...

Ngày tải lên: 19/02/2014, 19:20

... Dataset creation We start with the lexicon for English published by the Dutch Centre for Lexical Information at http://www.mpi.nl/world/celex. We download all English word forms with legal hy- phenation ... the case with many machine learn- ing methods, no strong guidance is available for choosing values for these parameters. For En- glish we use the parameters reported in (Li...

Ngày tải lên: 20/02/2014, 04:20

... co-occurrence counts of the two units. Therefore, questions emerge: how good is the sense similarity computed via VSM for two units from parallel corpora? Is it useful for multi- lingual applications, ... features for each term from their contexts in a corpus and forms a vector space model (VSM); then, one computes their similarity by using similarity functions. The fea- tures inc...

Ngày tải lên: 20/02/2014, 04:20