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Keyword search engines are essential elements of large information spaces. The largest information space is the Web, and keyword search engines play crucial role there. The advent of keyword search engines has provided a quantum leap in the…

Information Retrieval · Computer Science 2020-09-21 Olegs Verhodubs

Fact-centric question answering (QA) often requires access to multiple, heterogeneous, information sources. By jointly considering several sources like a knowledge base (KB), a text collection, and tables from the web, QA systems can…

Information Retrieval · Computer Science 2023-08-22 Philipp Christmann , Rishiraj Saha Roy , Gerhard Weikum

Query-focused tabular summarization is an emerging task in table-to-text generation that synthesizes a summary response from tabular data based on user queries. Traditional transformer-based approaches face challenges due to token…

Computation and Language · Computer Science 2025-03-11 Yasir Khan , Xinlei Wu , Sangpil Youm , Justin Ho , Aryaan Shaikh , Jairo Garciga , Rohan Sharma , Bonnie J. Dorr

While there has been substantial progress in factoid question-answering (QA), answering complex questions remains challenging, typically requiring both a large body of knowledge and inference techniques. Open Information Extraction (Open…

Artificial Intelligence · Computer Science 2017-04-20 Tushar Khot , Ashish Sabharwal , Peter Clark

We present ABEX, a novel and effective generative data augmentation methodology for low-resource Natural Language Understanding (NLU) tasks. ABEX is based on ABstract-and-EXpand, a novel paradigm for generating diverse forms of an input…

Computation and Language · Computer Science 2024-06-07 Sreyan Ghosh , Utkarsh Tyagi , Sonal Kumar , C. K. Evuru , S Ramaneswaran , S Sakshi , Dinesh Manocha

Quality Estimation (QE) is the task of automatically predicting Machine Translation quality in the absence of reference translations, making it applicable in real-time settings, such as translating online social media conversations. Recent…

Computation and Language · Computer Science 2021-07-02 Amit Gajbhiye , Marina Fomicheva , Fernando Alva-Manchego , Frédéric Blain , Abiola Obamuyide , Nikolaos Aletras , Lucia Specia

Availability of research datasets is keystone for health and life science study reproducibility and scientific progress. Due to the heterogeneity and complexity of these data, a main challenge to be overcome by research data management…

Information Retrieval · Computer Science 2017-09-12 Douglas Teodoro , Luc Mottin , Julien Gobeill , Arnaud Gaudinat , Thérèse Vachon , Patrick Ruch

Querying a relational database is difficult because it requires users to know both the SQL language and be familiar with the schema. On the other hand, many users possess enough domain familiarity or expertise to describe their desired…

Databases · Computer Science 2020-03-25 Christopher Baik , Zhongjun Jin , Michael Cafarella , H. V. Jagadish

Query rewriting plays a vital role in enhancing conversational search by transforming context-dependent user queries into standalone forms. Existing approaches primarily leverage human-rewritten queries as labels to train query rewriting…

Human-Computer Interaction · Computer Science 2023-10-19 Fanghua Ye , Meng Fang , Shenghui Li , Emine Yilmaz

EquiX is a search language for XML that combines the power of querying with the simplicity of searching. Requirements for such languages are discussed and it is shown that EquiX meets the necessary criteria. Both a graphical abstract syntax…

Databases · Computer Science 2007-05-23 Sara Cohen , Yaron Kanza , Yakov Kogan , Werner Nutt , Yehoshua Sagiv , Alexander Serebrenik

Question-answering (QA) that comes naturally to humans is a critical component in seamless human-computer interaction. It has emerged as one of the most convenient and natural methods to interact with the web and is especially desirable in…

Computation and Language · Computer Science 2022-11-15 Deepak Gupta

The emergence of Large Language Models (LLMs) has boosted performance and possibilities in various NLP tasks. While the usage of generative AI models like ChatGPT opens up new opportunities for several business use cases, their current…

Computation and Language · Computer Science 2023-09-27 Matthias Engelbach , Dennis Klau , Felix Scheerer , Jens Drawehn , Maximilien Kintz

Abstractive text summarization is integral to the Big Data era, which demands advanced methods to turn voluminous and often long text data into concise but coherent and informative summaries for efficient human consumption. Despite…

Computation and Language · Computer Science 2025-10-08 Jianbin Shen , Christy Jie Liang , Junyu Xuan

This paper presents an original methodology to consider question answering. We noticed that query expansion is often incorrect because of a bad understanding of the question. But the automatic good understanding of an utterance is linked to…

Information Retrieval · Computer Science 2007-05-23 Bernard Jacquemin

Parameter Efficient Fine-Tuning (PEFT) methods have been extensively utilized in Large Language Models (LLMs) to improve the down-streaming tasks without the cost of fine-tuing the whole LLMs. Recent studies have shown how to effectively…

Computation and Language · Computer Science 2024-04-15 Zhiyuan Peng , Xuyang Wu , Qifan Wang , Sravanthi Rajanala , Yi Fang

Millions of people take surveys every day, from market polls and academic studies to medical questionnaires and customer feedback forms. These datasets capture valuable insights, but their scale and structure present a unique challenge for…

Artificial Intelligence · Computer Science 2025-10-31 Duc-Hai Nguyen , Vijayakumar Nanjappan , Barry O'Sullivan , Hoang D. Nguyen

In recent years, with the rapid proliferation of research publications in the field of Artificial Intelligence, it is becoming increasingly difficult for researchers to effectively keep up with all the latest research in one's own domains.…

Information Retrieval · Computer Science 2018-12-19 Jieli Zhou , Yuntao Zhou , Yi Xu

One of the most promising applications of mathematical knowledge management is search: Even if we restrict attention to the tiny fragment of mathematics that has been formalized, the amount exceeds the comprehension of an individual human.…

Logic in Computer Science · Computer Science 2012-04-23 Florian Rabe

Current Machine Translation (MT) systems achieve very good results on a growing variety of language pairs and datasets. However, they are known to produce fluent translation outputs that can contain important meaning errors, thus…

Computation and Language · Computer Science 2021-09-23 Diptesh Kanojia , Marina Fomicheva , Tharindu Ranasinghe , Frédéric Blain , Constantin Orăsan , Lucia Specia

In information retrieval systems, search parameters are optimized to ensure high effectiveness based on a set of past searches and these optimized parameters are then used as the system configuration for all subsequent queries. A better…

Information Retrieval · Computer Science 2024-05-27 Josiane Mothe , Md Zia Ullah