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Most of the existing information retrieval systems are based on bag of words model and are not equipped with common world knowledge. Work has been done towards improving the efficiency of such systems by using intelligent algorithms to…

Artificial Intelligence · Computer Science 2015-03-17 Pekka Malo , Pyry Siitari , Ankur Sinha

We propose a novel method for exploiting the semantic structure of text to answer multiple-choice questions. The approach is especially suitable for domains that require reasoning over a diverse set of linguistic constructs but have limited…

Computation and Language · Computer Science 2019-06-11 Daniel Khashabi , Tushar Khot , Ashish Sabharwal , Dan Roth

Advancements in cloud computing and distributed computing have fostered research activities in Computer science. As a result, researchers have made significant progress in Neural Networks, Evolutionary Computing Algorithms like Genetic, and…

Neural and Evolutionary Computing · Computer Science 2025-02-28 Chandrashekar Muniyappa , Eujin Kim

Frequently asked question (FAQ) retrieval, with the purpose of providing information on frequent questions or concerns, has far-reaching applications in many areas, where a collection of question-answer (Q-A) pairs compiled a priori can be…

Artificial Intelligence · Computer Science 2020-10-28 Wen-Ting Tseng , Tien-Hong Lo , Yung-Chang Hsu , Berlin Chen

Over the past few years, question answering and information retrieval systems have become widely used. These systems attempt to find the answer of the asked questions from raw text sources. A component of these systems is Answer Selection…

Computation and Language · Computer Science 2019-11-13 Jamshid Mozafari , Mohammad Ali Nematbakhsh , Afsaneh Fatemi

Recently, graph query is widely adopted for querying knowledge graphs. Given a query graph $G_Q$, the graph query finds subgraphs in a knowledge graph $G$ that exactly or approximately match $G_Q$. We face two challenges on graph query: (1)…

Databases · Computer Science 2020-01-20 Yuxiang Wang , Arijit Khan , Tianxing Wu , Jiahui Jin , Haijiang Yan

This paper presents a question-answering approach to extract document-level event-argument structures. We automatically ask and answer questions for each argument type an event may have. Questions are generated using manually defined…

Computation and Language · Computer Science 2024-04-26 Md Nayem Uddin , Enfa Rose George , Eduardo Blanco , Steven Corman

Building open-domain dialogue systems capable of rich human-like conversational ability is one of the fundamental challenges in language generation. However, even with recent advancements in the field, existing open-domain generative models…

Computation and Language · Computer Science 2022-06-14 Ritvik Choudhary , Daisuke Kawahara

Automated detection of semantically equivalent questions in longitudinal social science surveys is crucial for long-term studies informing empirical research in the social, economic, and health sciences. Retrieving equivalent questions…

Computation and Language · Computer Science 2025-07-08 Wing Yan Li , Zeqiang Wang , Jon Johnson , Suparna De

In this paper we study how different ways of combining character and word-level representations affect the quality of both final word and sentence representations. We provide strong empirical evidence that modeling characters improves the…

Computation and Language · Computer Science 2019-04-12 Jorge A. Balazs , Yutaka Matsuo

Building systems that can communicate with humans is a core problem in Artificial Intelligence. This work proposes a novel neural network architecture for response selection in an end-to-end multi-turn conversational dialogue setting. The…

Artificial Intelligence · Computer Science 2018-11-06 Debanjan Chaudhuri , Agustinus Kristiadi , Jens Lehmann , Asja Fischer

Ranking functions in information retrieval are often used in search engines to recommend the relevant answers to the query. This paper makes use of this notion of information retrieval and applies onto the problem domain of cognate…

Information Retrieval · Computer Science 2018-11-21 Pranav A

Graph-based semi-supervised learning has proven to be an effective approach for query-focused multi-document summarization. The problem of previous semi-supervised learning is that sentences are ranked without considering the higher level…

Computation and Language · Computer Science 2014-01-03 Jiwei Li , Sujian Li

We focus on a conversational question answering task which combines the challenges of understanding questions in context and reasoning over evidence gathered from heterogeneous sources like text, knowledge graphs, tables, and infoboxes. Our…

Computation and Language · Computer Science 2024-07-16 Parag Jain , Mirella Lapata

Question Aware Open Information Extraction (Question aware Open IE) takes question and passage as inputs, outputting an answer tuple which contains a subject, a predicate, and one or more arguments. Each field of answer is a natural…

Computation and Language · Computer Science 2020-09-17 Martin Kuo , Yaobo Liang , Lei Ji , Nan Duan , Linjun Shou , Ming Gong , Peng Chen

Research on question answering with knowledge base has recently seen an increasing use of deep architectures. In this extended abstract, we study the application of the neural machine translation paradigm for question parsing. We employ a…

Computation and Language · Computer Science 2018-07-10 Tommaso Soru , Edgard Marx , André Valdestilhas , Diego Esteves , Diego Moussallem , Gustavo Publio

Autoregressive Language Models (LLMs) trained on Next-Token Prediction (NTP) often suffer from Topic Drift where the generation wanders away from the initial prompt due to a reliance on local associations rather than global planning. While…

Computation and Language · Computer Science 2025-12-15 Darshan Fofadiya

Automatic generation of video captions is a fundamental challenge in computer vision. Recent techniques typically employ a combination of Convolutional Neural Networks (CNNs) and Recursive Neural Networks (RNNs) for video captioning. These…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Nayyer Aafaq , Naveed Akhtar , Wei Liu , Syed Zulqarnain Gilani , Ajmal Mian

Deep learning generates state-of-the-art semantic segmentation provided that a large number of images together with pixel-wise annotations are available. To alleviate the expensive data collection process, we propose a semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2019-10-08 Assia Benbihi , Matthieu Geist , Cédric Pradalier

Retrieval-Augmented Generation (RAG) is a prevalent approach to infuse a private knowledge base of documents with Large Language Models (LLM) to build Generative Q\&A (Question-Answering) systems. However, RAG accuracy becomes increasingly…

Information Retrieval · Computer Science 2025-03-10 Kunal Sawarkar , Abhilasha Mangal , Shivam Raj Solanki