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Domain experts often need to extract structured information from large corpora. We advocate for a search paradigm called ``extractive search'', in which a search query is enriched with capture-slots, to allow for such rapid extraction. Such…

Computation and Language · Computer Science 2021-06-10 Shauli Ravfogel , Hillel Taub-Tabib , Yoav Goldberg

We introduce EXIT, an extractive context compression framework that enhances both the effectiveness and efficiency of retrieval-augmented generation (RAG) in question answering (QA). Current RAG systems often struggle when retrieval models…

Computation and Language · Computer Science 2025-05-30 Taeho Hwang , Sukmin Cho , Soyeong Jeong , Hoyun Song , SeungYoon Han , Jong C. Park

In this work, we propose and study annotated code search: the retrieval of code snippets paired with brief descriptions of their intent using natural language queries. On three benchmark datasets, we investigate how code retrieval systems…

Information Retrieval · Computer Science 2020-08-28 Geert Heyman , Tom Van Cutsem

The problem of discovering frequent itemsets including rare ones has received a great deal of attention. The mining process needs to be flexible enough to extract frequent and rare regularities at once. On the other hand, it has recently…

Artificial Intelligence · Computer Science 2021-09-17 Mohamed-Bachir Belaid , Nadjib Lazaar

The personalized bundle generation problem, which aims to create a preferred bundle for user from numerous candidate items, receives increasing attention in recommendation. However, existing works ignore the order-invariant nature of the…

Machine Learning · Computer Science 2024-11-01 Wenchuan Yang , Cheng Yang , Jichao Li , Yuejin Tan , Xin Lu , Chuan Shi

Extracting structured knowledge from unstructured data still faces practical limitations: entity and event extraction pipelines remain brittle, knowledge graph construction requires costly ontology engineering, and cross-domain…

Databases · Computer Science 2026-04-13 Wenxiao Zhang , Yu Liu , Qiang sun , Yihao Ding , Sirui Li , Yanbing Liu , Jin B. Hong , Wei Liu

Many analysis and prediction tasks require the extraction of structured data from unstructured texts. However, an annotation scheme and a training dataset have not been available for training machine learning models to mine structured data…

Information Retrieval · Computer Science 2025-06-24 Chaochao Zhou , Bo Yang

Embedding models, which learn latent representations of users and items based on user-item interaction patterns, are a key component of recommendation systems. In many applications, contextual constraints need to be applied to refine…

Information Retrieval · Computer Science 2019-07-04 Syrine Krichene , Mike Gartrell , Clement Calauzenes

Customers interacting with product search engines are increasingly formulating information-seeking queries. Frequently Asked Question (FAQ) retrieval aims to retrieve common question-answer pairs for a user query with question intent.…

Computation and Language · Computer Science 2023-06-07 Zhiyu Chen , Jason Choi , Besnik Fetahu , Oleg Rokhlenko , Shervin Malmasi

Extracting structured information from unstructured text is critical for many downstream NLP applications and is traditionally achieved by closed information extraction (cIE). However, existing approaches for cIE suffer from two…

Computation and Language · Computer Science 2024-04-22 Nacime Bouziani , Shubhi Tyagi , Joseph Fisher , Jens Lehmann , Andrea Pierleoni

Text summarization aims to compress a textual document to a short summary while keeping salient information. Extractive approaches are widely used in text summarization because of their fluency and efficiency. However, most of existing…

Computation and Language · Computer Science 2020-10-14 Peng Cui , Le Hu , Yuanchao Liu

Traditional data systems require specialized technical skills where users need to understand the data organization and write precise queries to access data. Therefore, novice users who lack technical expertise face hurdles in perusing and…

Human-Computer Interaction · Computer Science 2021-01-05 Anna Fariha , Lucy Cousins , Narges Mahyar , Alexandra Meliou

Dimensionality reduction and clustering techniques are frequently used to analyze complex data sets, but their results are often not easy to interpret. We consider how to support users in interpreting apparent cluster structure on scatter…

Machine Learning · Computer Science 2021-11-08 Xander Vankwikelberge , Bo Kang , Edith Heiter , Jefrey Lijffijt

Addressing the challenge of low-resource information extraction remains an ongoing issue due to the inherent information scarcity within limited training examples. Existing data augmentation methods, considered potential solutions, struggle…

Computation and Language · Computer Science 2024-05-15 Sijia Wang , Lifu Huang

Sequence to sequence (Seq2Seq) learning has recently been used for abstractive and extractive summarization. In current study, Seq2Seq models have been used for eBay product description summarization. We propose a novel Document-Context…

Computation and Language · Computer Science 2018-07-31 Chandra Khatri , Gyanit Singh , Nish Parikh

Learning neural subset selection tasks, such as compound selection in AI-aided drug discovery, have become increasingly pivotal across diverse applications. The existing methodologies in the field primarily concentrate on constructing…

Machine Learning · Computer Science 2024-06-11 Binghui Xie , Yatao Bian , Kaiwen zhou , Yongqiang Chen , Peilin Zhao , Bo Han , Wei Meng , James Cheng

Requirements identification in textual documents or extraction is a tedious and error prone task that many researchers suggest automating. We manually annotated the PURE dataset and thus created a new one containing both requirements and…

Software Engineering · Computer Science 2022-02-07 Vladimir Ivanov , Andrey Sadovykh , Alexandr Naumchev , Alessandra Bagnato , Kirill Yakovlev

Synthesis tools have seen significant success in recent times. However, past approaches often require a complete and accurate embedding of the source language in the logic of the underlying solver, an approach difficult for industrial-grade…

Programming Languages · Computer Science 2023-04-26 Sankha Narayan Guria , Jeffrey S. Foster , David Van Horn

We study two log-concave sampling problems: constrained sampling and composite sampling. First, we consider sampling from a target distribution with density proportional to $\exp(-f(x))$ supported on a convex set $K \subset \mathbb{R}^d$,…

Machine Learning · Statistics 2026-02-17 Thanh Dang , Jiaming Liang

This paper extends the SQP-approach of the well-known bundle-Newton method for nonsmooth unconstrained minimization to the nonlinearly constrained case. Instead of using a penalty function or a filter or an improvement function to deal with…

Optimization and Control · Mathematics 2015-06-29 Hannes Fendl , Hermann Schichl