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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

Compressed inverted indices in use today are based on the idea of gap compression: documents pointers are stored in increasing order, and the gaps between successive document pointers are stored using suitable codes which represent smaller…

Information Retrieval · Computer Science 2012-06-20 Sebastiano Vigna

Dense retrieval has shown great success in passage ranking in English. However, its effectiveness in document retrieval for non-English languages remains unexplored due to the limitation in training resources. In this work, we explore…

Computation and Language · Computer Science 2021-09-06 Peng Shi , Rui Zhang , He Bai , Jimmy Lin

Full-text search engines are important tools for information retrieval. In a proximity full-text search, a document is relevant if it contains query terms near each other, especially if the query terms are frequently occurring words. For…

Information Retrieval · Computer Science 2019-07-11 Alexander B. Veretennikov

A major difficulty in applying word vector embeddings in IR is in devising an effective and efficient strategy for obtaining representations of compound units of text, such as whole documents, (in comparison to the atomic words), for the…

Information Retrieval · Computer Science 2016-06-28 Dwaipayan Roy , Debasis Ganguly , Mandar Mitra , Gareth J. F. Jones

Because of the increasing number of electronic data, designing efficient tools to retrieve and exploit documents is a major challenge. Current search engines suffer from two main drawbacks: there is limited interaction with the list of…

Information Retrieval · Computer Science 2010-12-09 Sylvie Ranwez , Vincent Ranwez , Mohameth-François Sy , Jacky Montmain , Michel Crampes

Information retrieval systems have traditionally relied on exact term match methods such as BM25 for first-stage retrieval. However, recent advancements in neural network-based techniques have introduced a new method called dense retrieval.…

Information Retrieval · Computer Science 2025-03-25 Ahmed H. Salamah , Pierre McWhannel , Nicole Yan

A novel pseudocode search engine is designed to facilitate efficient retrieval and search of academic papers containing pseudocode. By leveraging Elasticsearch, the system enables users to search across various facets of a paper, such as…

Information Retrieval · Computer Science 2024-11-20 Levent Toksoz , Mukund Srinath , Gang Tan , C. Lee Giles

Dense document embeddings are central to neural retrieval. The dominant paradigm is to train and construct embeddings by running encoders directly on individual documents. In this work, we argue that these embeddings, while effective, are…

Computation and Language · Computer Science 2024-11-11 John X. Morris , Alexander M. Rush

We present our method for tackling a legal case retrieval task by introducing our method of encoding documents by summarizing them into continuous vector space via our phrase scoring framework utilizing deep neural networks. On the other…

Computation and Language · Computer Science 2023-09-18 Vu Tran , Minh Le Nguyen , Satoshi Tojo , Ken Satoh

Much computer vision research has focused on natural images, but technical documents typically consist of abstract images, such as charts, drawings, diagrams, and schematics. How well do general web search engines discover abstract images?…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Shawn M. Jones , Diane Oyen

We participated in the Fifth UNLP shared task on multi-domain document understanding, where systems must answer Ukrainian multiple-choice questions from PDF collections and localize the supporting document and page. We propose a…

Computation and Language · Computer Science 2026-05-12 Anton Bazdyrev , Ivan Bashtovyi , Ivan Havlytskyi , Oleksandr Kharytonov , Artur Khodakovskyi

We introduce and compare new compression approaches to obtain regularized solutions of large linear systems which are commonly encountered in large scale inverse problems. We first describe how to approximate matrix vector operations with a…

Numerical Analysis · Mathematics 2016-08-12 Sergey Voronin , Dylan Mikesell , Guust Nolet

Large language models record impressive performance on many natural language processing tasks. However, their knowledge capacity is limited to the pretraining corpus. Retrieval augmentation offers an effective solution by retrieving context…

Computation and Language · Computer Science 2023-11-22 Sai Munikoti , Anurag Acharya , Sridevi Wagle , Sameera Horawalavithana

Embedding models are central to dense retrieval, semantic search, and recommendation systems, but their size often makes them impractical to deploy in resource-constrained environments such as browsers or edge devices. While smaller…

The goal of natural language semantic code search is to retrieve a semantically relevant code snippet from a fixed set of candidates using a natural language query. Existing approaches are neither effective nor efficient enough towards a…

Computation and Language · Computer Science 2021-10-18 Akhilesh Deepak Gotmare , Junnan Li , Shafiq Joty , Steven C. H. Hoi

Embedding words in a vector space has gained a lot of attention in recent years. While state-of-the-art methods provide efficient computation of word similarities via a low-dimensional matrix embedding, their motivation is often left…

Computation and Language · Computer Science 2016-09-29 Shihao Ji , Hyokun Yun , Pinar Yanardag , Shin Matsushima , S. V. N. Vishwanathan

Mapping the technology landscape is crucial for market actors to take informed investment decisions. However, given the large amount of data on the Web and its subsequent information overload, manually retrieving information is a seemingly…

Information Retrieval · Computer Science 2021-12-10 Chi Thang Duong , Dimitri Percia David , Ljiljana Dolamic , Alain Mermoud , Vincent Lenders , Karl Aberer

In the field of multi-document summarization (MDS), transformer-based models have demonstrated remarkable success, yet they suffer an input length limitation. Current methods apply truncation after the retrieval process to fit the context…

Machine Learning · Computer Science 2025-04-24 Shiyin Tan , Jaeeon Park , Dongyuan Li , Renhe Jiang , Manabu Okumura

Information extraction from textual data, where the query is represented by a finite transducer and the task is to enumerate all results without repetition, and its extension to the weighted case, where each output element has a weight and…

Data Structures and Algorithms · Computer Science 2024-10-08 Pawel Gawrychowski , Florin Manea , Markus L. Schmid
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