[PDF] Top 20 A Ranking Approach to Extracting Relevant Answer for QA System

... Previous system Developed a hierarchical framework toidentify the predictive factors for obtaining a high quality answer based on textual and non-textual ...Existing system introduced a general ... See full document

... valid answer in the associated passage. A practical QA system must possess the ability to determine whether a valid answer exists in a given text ...developing QA sys- tems that can ... See full document

... tire QA system based on maximum entropy com- ponents in addition to the question classifier dis- cussed ...the system use non-learned components in addition to learned components (Prager et ...I ... See full document

... for ranking question-answer pairs, it is required to perform a post-retrieval merge: each approach generates a ranked list of answers, which are then merged into a final ranked ...combination ... See full document

... to-question approach to generate a set of candi- date questions and used various scoring methods to generate scores for the generated ...proposed approach has significantly better per- formance than a rule ... See full document

... correct answer chunk “Steve Sloan” appears in all four candidate sentences, of which only the first is actually relevant to the ques- ...of answer extraction systems: metrics that assess performance ... See full document

... the QA task and describe two types of QA systems with differ- ent pros and ...the answer candidates from single and multiple QA systems ...our approach and pre- vious work is discussed ... See full document

... of relevant passages for the posed ...multi-strategy approach to passage retrieval, with each strategy tailored to a specific group of question cate- ...retrieve relevant passages from unstructured ... See full document

... a QA pair can be computed by taking their dot- product, as in Henderson et ...of relevant answers us- ing approximate nearest neighbor search, which is sub-linear in the number of documents, and in practice ... See full document

... learner’s answer [3].However, most of the test scoring in e-learning system is for true-false, multi-choice and fill in blank questions which allow the learner to select signal answer [4-6] and they ... See full document

... retrieval system in which weighted combinations of simi- larity functions corresponding to questions, exist- ing answers, FAQ titles and pages are computed using a vector space ... See full document

... correct answer, but also provide a formally valid justification for that ...some QA systems have sought to answer questions by cre- ating formal proofs driven by logic reasoning (Moldovan et ...2013) ... See full document

... In this paper, we will offer new methods of benchmarking which are based on the special construction of the score-matrices for problems and solvers in a benchmarking context  S P J , ,  . Having these matrices at our ... See full document

... Expert system structure may be effectively described with the help of a diagram as shown in the figure-1, which contains important components of the ...based system, case-specific data will be included in ... See full document

... biometric system. Filtering and system parameters tuning require an accurate classification of a user into a particular class ...biometric approach can be used for continuous user authentication by ... See full document

... acter. It is good to see that the classifier has learned to discriminate between neutral and invec- tive words. The most interesting point obtained from this table is that the second-person pronoun is ranked as one of ... See full document

... Figure 1 Example of computer-marking of a Very Short Answer question (VSAQ). The answers shown in green match those on the list of possible answers and are automatically assigned a mark (1.00). The amber ... See full document

... to answer proper. We design a system, that is semantic web and ontology base efficient and intelligent question answering system, that provides semantic results to the ...the system, that is ... See full document

... accurate answer in “weather forecasting” domain. The system works to parse the query of user by syntax and semantic relation among ...candidate answer document and pass it to answer processing ... See full document

... in QA-style text, the question and answer text are more likely to be two parallel units rather than a sequence ...in Answer 1 actually does not follow sentence “How is the battery?” in Question 1 , ... See full document