Báo cáo khoa học: "Improving Question Recommendation by Exploiting Information Need" pptx

... most semantically similar questions from the question archives. As the complement of question search, we define question recommendation as rec- ommending questions whose information need is the same ... we will apply information need prediction to the questions whose information needs are missing in order to find out whether we improve the recommendation task. The question and...

Ngày tải lên: 23/03/2014, 16:20

... question, if the inverted question were given, we could im- prove the F-measure of accuracy on a question set by 75%. In this paper, by contrast, we do not manu- ally provide the inverted question, ... sought by any question. When we wish to invert a question, we must find an entity in the question whose type we recognize; this entity then becomes the sought answer for the...

Ngày tải lên: 23/03/2014, 18:20

... one stage by harnessing the results of the other stages. We dem- onstrate this by using the results of coreference analysis and relation extrac- tion to reduce the errors produced by a Chinese ... the above first-stage re-ranking by corefer- ence, for each hypothesis we got the probability of its being the best one. By using these results and relation information we proceed t...

Ngày tải lên: 23/03/2014, 19:20

... Improving Pronoun Resolution by Incorporating Coreferential Information of Candidates Xiaofeng Yang †‡ Jian Su † Guodong Zhou † Chew Lim Tan ‡ † Institute ... 117543 {yangxiao,tancl}@comp.nus.edu.sg Abstract Coreferential information of a candidate, such as the properties of its antecedents, is important for pronoun resolution because it reflects the salience of the candidate in the loca...

Ngày tải lên: 31/03/2014, 03:20

... ranges. The dy- namic range can be measured by taking the Shan- non information of the probabilities in the row. Table 2 shows the most low- and high- information rows from English and Swedish (Dyen ... paper will be made available to coincide with its publication. 2 Lexical Metric The first question posed by the distance-based ap- proach to genetic language taxonomy is: what should...

Ngày tải lên: 23/03/2014, 18:20

... transcription of the corpus was an- notated with respect to information status using the annotation scheme proposed by Riester (2008). In this taxonomy information status categories re- flect the default ... significant role to play in marking information status in speech. While there are well established expectations concerning typical asso- ciations between categories of information...

Ngày tải lên: 17/03/2014, 22:20

... search engine’s pattern matching on the initial question, the algorithm does a post-analysis of the syntactic structure pro- duced by parsing the question with my analysis. The algorithm recursively ... context of a question, there are, on average, 1.54 alternative phrases per dialog. I consider an alternative phrase to be in a question context if it is in the same dialog turn as a q...

Ngày tải lên: 23/03/2014, 19:20

... position 535, the back- bones of the A and C monomers show tighter associa- tion in L537G by 1.4 A ˚ , and only by 0.9 A ˚ in L537W ⁄ E542K, compared to model 2IGO. As a result of these movements, ... concomitant displacement of the substrate loop by 0.4–0.6 A ˚ , as well as tighter association between the oligomerization arm in monomers A and D by 0.6 A ˚ at position 121. In the E542...

Ngày tải lên: 07/03/2014, 03:20

... QA accuracy by maximizing the log-likelihood of a set of question- and-answer pairs. Experimental results show that we achieve better QA ac- curacy using the resulting clusters than by using manually ... Factoid QA limits it- self to questions that can usually be answered with a few words. Typically factoid QA systems em- ploy some form of question type analysis, so that a question s...

Ngày tải lên: 17/03/2014, 00:20

... has access to the most information: contextual information (the words and tags in a window spanning three positions before and after the focus word) as well as lexical information (the existence ... (the existence of words formed by suffix/prefix addi- tion/deletion). However, the actual use of this information is severely limited in that the indi- vidual information items c...

Ngày tải lên: 17/03/2014, 07:20