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We present the design of a structured search engine which returns a multi-column table in response to a query consisting of keywords describing each of its columns. We answer such queries by exploiting the millions of tables on the Web…

Databases · Computer Science 2017-07-07 Rakesh Pimplikar , Sunita Sarawagi

Tabular data is difficult to analyze and to search through, yielding for new tools and interfaces that would allow even non tech-savvy users to gain insights from open datasets without resorting to specialized data analysis tools or even…

Information Retrieval · Computer Science 2017-08-31 Svitlana Vakulenko , Vadim Savenkov

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

We present a generative model to map natural language questions into SQL queries. Existing neural network based approaches typically generate a SQL query word-by-word, however, a large portion of the generated results are incorrect or not…

Computation and Language · Computer Science 2018-04-24 Yibo Sun , Duyu Tang , Nan Duan , Jianshu Ji , Guihong Cao , Xiaocheng Feng , Bing Qin , Ting Liu , Ming Zhou

To translate natural language questions into executable database queries, most approaches rely on a fully annotated training set. Annotating a large dataset with queries is difficult as it requires query-language expertise. We reduce this…

Computation and Language · Computer Science 2022-06-01 Irina Saparina , Anton Osokin

Question Answering (QA) is one of the most important natural language processing (NLP) tasks. It aims using NLP technologies to generate a corresponding answer to a given question based on the massive unstructured corpus. With the…

Computation and Language · Computer Science 2022-07-01 Zhen Wang

Question Answering over Tabular Data (Table QA) presents unique challenges due to the diverse structure, size, and data types of real-world tables. The SemEval 2025 Task 8 (DataBench) introduced a benchmark composed of large-scale,…

Computation and Language · Computer Science 2025-09-12 Rishit Tyagi , Mohit Gupta , Rahul Bouri

Existing datasets for natural language inference (NLI) have propelled research on language understanding. We propose a new method for automatically deriving NLI datasets from the growing abundance of large-scale question answering datasets.…

Computation and Language · Computer Science 2018-09-12 Dorottya Demszky , Kelvin Guu , Percy Liang

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

Algorithms of question answering in a computer system oriented on input and logical processing of text information are presented. A knowledge domain under consideration is social behavior of a person. A database of the system includes an…

Computation and Language · Computer Science 2011-11-21 Yuriy Ostapov

Relation extraction is an important task in knowledge acquisition and text understanding. Existing works mainly focus on improving relation extraction by extracting effective features or designing reasonable model structures. However, few…

Computation and Language · Computer Science 2021-04-08 Jiayang Cheng , Haiyun Jiang , Deqing Yang , Yanghua Xiao

Despite recent interest in open domain question answering (ODQA) over tables, many studies still rely on datasets that are not truly optimal for the task with respect to utilizing structural nature of table. These datasets assume answers…

Computation and Language · Computer Science 2023-05-15 Sunjun Kweon , Yeonsu Kwon , Seonhee Cho , Yohan Jo , Edward Choi

Question Answering is a task which requires building models capable of providing answers to questions expressed in human language. Full question answering involves some form of reasoning ability. We introduce a neural network architecture…

Computation and Language · Computer Science 2017-10-09 Andrea Madotto , Giuseppe Attardi

Table question answering is a popular task that assesses a model's ability to understand and interact with structured data. However, the given table often does not contain sufficient information for answering the question, necessitating the…

Computation and Language · Computer Science 2024-01-30 Yujian Liu , Jiabao Ji , Tong Yu , Ryan Rossi , Sungchul Kim , Handong Zhao , Ritwik Sinha , Yang Zhang , Shiyu Chang

Open-domain question answering (QA) is the tasl of identifying answers to natural questions from a large corpus of documents. The typical open-domain QA system starts with information retrieval to select a subset of documents from the…

Computation and Language · Computer Science 2020-09-03 Sina J. Semnani , Manish Pandey

Question answer generation using Natural Language Processing models is ubiquitous in the world around us. It is used in many use cases such as the building of chat bots, suggestive prompts in google search and also as a way of navigating…

Computation and Language · Computer Science 2023-11-28 Shashidhar Reddy Javaji , Haoran Hu , Sai Sameer Vennam , Vijaya Gajanan Buddhavarapu

Generating structural query language (SQL) queries from natural language is a long-standing open problem. Answering a natural language question about a database table requires modeling complex interactions between the columns of the table…

Computation and Language · Computer Science 2018-06-22 Tong Guo , Huilin Gao

We publicly release a new large-scale dataset, called SearchQA, for machine comprehension, or question-answering. Unlike recently released datasets, such as DeepMind CNN/DailyMail and SQuAD, the proposed SearchQA was constructed to reflect…

Computation and Language · Computer Science 2017-06-13 Matthew Dunn , Levent Sagun , Mike Higgins , V. Ugur Guney , Volkan Cirik , Kyunghyun Cho

While question answering (QA) with neural network, i.e. neural QA, has achieved promising results in recent years, lacking of large scale real-word QA dataset is still a challenge for developing and evaluating neural QA system. To alleviate…

Computation and Language · Computer Science 2016-09-02 Peng Li , Wei Li , Zhengyan He , Xuguang Wang , Ying Cao , Jie Zhou , Wei Xu

Large Scale Question-Answering systems today are widely used in downstream applications such as chatbots and conversational dialogue agents. Typically, such systems consist of an Answer Passage retrieval layer coupled with Machine…

Information Retrieval · Computer Science 2021-11-02 Harsh Kohli