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We present a novel response generation system that can be trained end to end on large quantities of unstructured Twitter conversations. A neural network architecture is used to address sparsity issues that arise when integrating contextual…

Computation and Language · Computer Science 2015-06-23 Alessandro Sordoni , Michel Galley , Michael Auli , Chris Brockett , Yangfeng Ji , Margaret Mitchell , Jian-Yun Nie , Jianfeng Gao , Bill Dolan

Semi-structured tables, widely used in real-world applications (e.g., financial reports, medical records, transactional orders), often involve flexible and complex layouts (e.g., hierarchical headers and merged cells). These tables…

Artificial Intelligence · Computer Science 2025-09-03 Zirui Tang , Boyu Niu , Xuanhe Zhou , Boxiu Li , Wei Zhou , Jiannan Wang , Guoliang Li , Xinyi Zhang , Fan Wu

Frequently-Asked-Question (FAQ) retrieval provides an effective procedure for responding to user's natural language based queries. Such platforms are becoming common in enterprise chatbots, product question answering, and preliminary…

Information Retrieval · Computer Science 2021-08-24 Sourav Dutta , Haytham Assem , Edward Burgin

Automatic question generation aims at the generation of questions from a context, with the corresponding answers being sub-spans of the given passage. Whereas, most of the methods mostly rely on heuristic rules to generate questions, more…

Computation and Language · Computer Science 2019-11-07 Tassilo Klein , Moin Nabi

In the realm of natural language processing, the understanding of tabular data has perpetually stood as a focal point of scholarly inquiry. The emergence of expansive language models, exemplified by the likes of ChatGPT, has ushered in a…

Computation and Language · Computer Science 2023-08-29 Hengyuan Zhang , Peng Chang , Zongcheng Ji

With the future striving toward data-centric decision-making, seamless access to databases is of utmost importance. There is extensive research on creating an efficient text-to-sql (TEXT2SQL) model to access data from the database. Using a…

Computation and Language · Computer Science 2022-08-10 Ayush Kumar , Parth Nagarkar , Prabhav Nalhe , Sanjeev Vijayakumar

User queries in information retrieval are often ambiguous, making it challenging for systems to identify a user's target from a single query. While recent dialogue-based interactive retrieval systems can clarify user intent, they are…

Artificial Intelligence · Computer Science 2025-10-22 Dong Yun , Marco Schouten , Dim Papadopoulos

How can we better understand the mechanisms behind multi-turn information seeking dialogues? How can we use these insights to design a dialogue system that does not require explicit query formulation upfront as in question answering? To…

Information Retrieval · Computer Science 2020-12-08 Svitlana Vakulenko , Vadim Savenkov , Maarten de Rijke

We present a question-and-answer (Q\&A) application designed to support the contract management process by leveraging combined information from contract documents (PDFs) and data retrieved from contract management systems (database). This…

Artificial Intelligence · Computer Science 2024-12-25 Antony Seabra , Claudio Cavalcante , Joao Nepomuceno , Lucas Lago , Nicolaas Ruberg , Sergio Lifschitz

Question answering (QA) system aims at retrieving precise information from a large collection of documents against a query. This paper describes the architecture of a Natural Language Question Answering (NLQA) system for a specific domain…

Computation and Language · Computer Science 2013-11-14 Athira P. M. , Sreeja M. , P. C. Reghu Raj

Conversational Question Answering (ConvQA) models aim at answering a question with its relevant paragraph and previous question-answer pairs that occurred during conversation multiple times. To apply such models to a real-world scenario,…

Computation and Language · Computer Science 2023-02-13 Soyeong Jeong , Jinheon Baek , Sung Ju Hwang , Jong C. Park

Context-dependent text-to-SQL is the task of translating multi-turn questions into database-related SQL queries. Existing methods typically focus on making full use of history context or previously predicted SQL for currently SQL parsing,…

Computation and Language · Computer Science 2023-01-31 Dongling Xiao , Linzheng Chai , Qian-Wen Zhang , Zhao Yan , Zhoujun Li , Yunbo Cao

Most of the world's data is stored in relational databases. Accessing these requires specialized knowledge of the Structured Query Language (SQL), putting them out of the reach of many people. A recent research thread in Natural Language…

Computation and Language · Computer Science 2018-11-05 Bojan Petrovski , Ignacio Aguado , Andreea Hossmann , Michael Baeriswyl , Claudiu Musat

Text-to-SQL systems facilitate smooth interaction with databases by translating natural language queries into Structured Query Language (SQL), bridging the gap between non-technical users and complex database management systems. This survey…

Artificial Intelligence · Computer Science 2025-01-24 Aditi Singh , Akash Shetty , Abul Ehtesham , Saket Kumar , Tala Talaei Khoei

Presented herein is a novel model for similar question ranking within collaborative question answer platforms. The presented approach integrates a regression stage to relate topics derived from questions to those derived from…

Information Retrieval · Computer Science 2018-10-26 Pedro Chahuara , Thomas Lampert , Pierre Gancarski

The Natural Questions (NQ) benchmark set brings new challenges to Machine Reading Comprehension: the answers are not only at different levels of granularity (long and short), but also of richer types (including no-answer, yes/no,…

Computation and Language · Computer Science 2020-09-30 Xuguang Wang , Linjun Shou , Ming Gong , Nan Duan , Daxin Jiang

The conversational agents is one of the most interested topics in computer science field in the recent decade. Which can be composite from more than one subject in this field, which you need to apply Natural Language Processing Concepts and…

Computation and Language · Computer Science 2022-01-19 Moataz Mohammed , Mostafa M. Aref

Finding semantically rich and computer-understandable representations for textual dialogues, utterances and words is crucial for dialogue systems (or conversational agents), as their performance mostly depends on understanding the context…

Computation and Language · Computer Science 2017-10-23 Alexander Bartl , Gerasimos Spanakis

Many real world systems need to operate on heterogeneous information networks that consist of numerous interacting components of different types. Examples include systems that perform data analysis on biological information networks; social…

Artificial Intelligence · Computer Science 2017-07-26 Parisa Kordjamshidi , Sameer Singh , Daniel Khashabi , Christos Christodoulopoulos , Mark Summons , Saurabh Sinha , Dan Roth

This article presents the QUASAR system for question answering over unstructured text, structured tables, and knowledge graphs, with unified treatment of all sources. The system adopts a RAG-based architecture, with a pipeline of evidence…

Computation and Language · Computer Science 2024-12-11 Philipp Christmann , Gerhard Weikum