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Answering multiple-choice questions in a setting in which no supporting documents are explicitly provided continues to stand as a core problem in natural language processing. The contribution of this article is two-fold. First, it describes…

Computation and Language · Computer Science 2019-11-15 George-Sebastian Pîrtoacă , Traian Rebedea , Stefan Ruseti

While the body of research directed towards constructing and generating clarifying questions in mixed-initiative conversational search systems is vast, research aimed at processing and comprehending users' answers to such questions is…

Information Retrieval · Computer Science 2024-01-23 Ivan Sekulić , Weronika Łajewska , Krisztian Balog , Fabio Crestani

Inquisitive probing questions come naturally to humans in a variety of settings, but is a challenging task for automatic systems. One natural type of question to ask tries to fill a gap in knowledge during text comprehension, like reading a…

Computation and Language · Computer Science 2020-10-06 Wei-Jen Ko , Te-Yuan Chen , Yiyan Huang , Greg Durrett , Junyi Jessy Li

Getting relevant information from search engines has been the heart of research works in information retrieval. Query expansion is a retrieval technique that has been studied and proved to yield positive results in relevance. Users are…

Information Retrieval · Computer Science 2021-03-22 Onifade Olufade , Arise Abiola , Ogboo Chisom

Modern day applications, especially information retrieval webapps that involve "search" as their use cases are gradually moving towards "answering" modules. Conversational chatbots which have been proved to be more engaging to users, use…

Information Retrieval · Computer Science 2022-10-20 Mohammed Hammad

Search engines such as Google, Yahoo and Baidu yield information in the form of a relevant set of web pages according to the need of the user. Question Answering Systems reduce the time taken to get an answer, to a query asked in natural…

Computation and Language · Computer Science 2019-11-13 Manvi Breja , Sanjay Kumar Jain

State-of-the-art systems in deep question answering proceed as follows: (1) an initial document retrieval selects relevant documents, which (2) are then processed by a neural network in order to extract the final answer. Yet the exact…

Computation and Language · Computer Science 2018-08-21 Bernhard Kratzwald , Stefan Feuerriegel

Question answering is a task that answers factoid questions using a large collection of documents. It aims to provide precise answers in response to the user's questions in natural language. Question answering relies on efficient passage…

Computation and Language · Computer Science 2023-08-09 Shashank Gupta

Long-form answers, consisting of multiple sentences, can provide nuanced and comprehensive answers to a broader set of questions. To better understand this complex and understudied task, we study the functional structure of long-form…

Computation and Language · Computer Science 2022-03-22 Fangyuan Xu , Junyi Jessy Li , Eunsol Choi

Question Answering (QA) systems are becoming the inspiring model for the future of search engines. While recently, underlying datasets for QA systems have been promoted from unstructured datasets to structured datasets with highly…

Information Retrieval · Computer Science 2016-02-17 Saeedeh Shekarpour , Denis Lukovnikov , Ashwini Jaya Kumar , Kemele Endris , Kuldeep Singh , Harsh Thakkar , Christoph Lange

Understanding and extracting of information from large documents, such as business opportunities, academic articles, medical documents and technical reports, poses challenges not present in short documents. Such large documents may be…

Computation and Language · Computer Science 2019-10-10 Muhammad Mahbubur Rahman , Tim Finin

With the expanding growth of Arabic electronic data on the web, extracting information, which is actually one of the major challenges of the question-answering, is essentially used for building corpus of documents. In fact, building a…

Information Retrieval · Computer Science 2018-05-24 Patrice Bellot , Wided Bakari , Mahmoud Neji

The paper presents an approach to build a question and answer system that is capable of processing the information in a large dataset and allows the user to gain knowledge from this dataset by asking questions in natural language form. Key…

Computation and Language · Computer Science 2019-02-07 M. R , Akram , C. P , Singhabahu , M. S. M Saad , P , Deleepa , Anupiya , Nugaliyadde , Yashas , Mallawarachchi

Recent years have seen a dramatic expansion of tasks and datasets posed as question answering, from reading comprehension, semantic role labeling, and even machine translation, to image and video understanding. With this expansion, there…

Computation and Language · Computer Science 2019-09-26 Matt Gardner , Jonathan Berant , Hannaneh Hajishirzi , Alon Talmor , Sewon Min

We propose a method for using the scoring values of passages to effectively retrieve documents in a Question Answering system. For this, we suggest evaluation function that considers proximity between each question terms in passage. And…

Information Retrieval · Computer Science 2015-12-18 Man-Hung Jong , Chong-Han Ri , Hyok-Chol Choe , Chol-Jun Hwang

Many open-domain questions are under-specified and thus have multiple possible answers, each of which is correct under a different interpretation of the question. Answering such ambiguous questions is challenging, as it requires retrieving…

Computation and Language · Computer Science 2023-08-21 Haitian Sun , William W. Cohen , Ruslan Salakhutdinov

Ambiguous questions are a challenge for Question Answering models, as they require answers that cover multiple interpretations of the original query. To this end, these models are required to generate long-form answers that often combine…

Computation and Language · Computer Science 2023-05-23 Konstantinos Papakostas , Irene Papadopoulou

In this work we address the challenging case of answering count queries in web search, such as ``number of songs by John Lennon''. Prior methods merely answer these with a single, and sometimes puzzling number or return a ranked list of…

Information Retrieval · Computer Science 2022-12-01 Shrestha Ghosh , Simon Razniewski , Gerhard Weikum

The web contains a vast corpus of HTML tables. They can be used to provide direct answers to many web queries. We focus on answering two classes of queries with those tables: those seeking lists of entities (e.g., `cities in california')…

Information Retrieval · Computer Science 2020-01-15 Kaushik Chakrabarti , Zhimin Chen , Siamak Shakeri , Guihong Cao , Surajit Chaudhuri

FAQ documents are commonly used with text documents and websites to provide important information in the form of question answer pairs to either aid in reading comprehension or provide a shortcut to the key ideas. We suppose that salient…

Computation and Language · Computer Science 2024-05-24 Anjaneya Teja Kalvakolanu , NagaSai Chandra , Michael Fekadu