Learning to Rank Answers for Definitional Question Answering
نویسندگان
چکیده
In definitional question answering (QA), it is essential to rank the candidate answers. In this paper, we propose an online learning algorithm, which dynamically construct the supervisor to reduce the adverse effects of the large number of bad answers and noisy data. We compare our method with two state-of-the-art definitional QA systems and two ranking algorithms, and the experimental results show our method outperforms the others.
منابع مشابه
Qualitative Dimensions in Question Answering: Extending the Definitional QA Task
Current question answering tasks handle definitional questions by seeking answers which are factual in nature. While factual answers are a very important component in defining entities, a wealth of qualitative data is often ignored. In this incipient work, we define qualitative dimensions (credibility, sentiment, contradictions etc.) for evaluating answers to definitional questions and we explo...
متن کاملA Methodology to Develop Answers to Definitional Questions
Definitional Question Answering task is usually proposed as the retrieval of a set of text fragments that contain information relevant to the target to define. Following this principle, a systematic approach to obtain which information is relevant is proposed, along with a new evaluation process. Finally, the paper describes the elaboration of a corpus of definitions in order to produce a gold ...
متن کاملLearning to Rank Effective Paraphrases from Query Logs for Community Question Answering
We present a novel method for ranking query paraphrases for effective search in community question answering (cQA). The method uses query logs from Yahoo! Search and Yahoo! Answers for automatically extracting a corpus of paraphrases of queries and questions using the query-question click history. Elements of this corpus are automatically ranked according to recall and mean reciprocal rank, and...
متن کاملQU-IR at SemEval 2016 Task 3: Learning to Rank on Arabic Community Question Answering Forums with Word Embedding
Resorting to community question answering (CQA) websites for finding answers has gained momentum in the past decade with the explosive rate at which social media has been proliferating. With many questions left unanswered on those websites, automatic and smart question answering systems have seen light. One of the main objectives of such systems is to harness the plethora of existing answered q...
متن کاملArabic Cooperative Answer Generation via Wikipedia Article Infoboxes
The typical question-answering system is facing many challenges related to the processing of questions and information resources in the extraction and generation of adequate answers. These challenges increase when the requested answer is cooperative and its language is Arabic. In this paper, we propose an original approach to generate cooperative answers for user-definitional questions designed...
متن کامل