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Query expansion is a technique widely used in image search consisting in combining highly ranked images from an original query into an expanded query that is then reissued, generally leading to increased recall and precision. An important…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Albert Gordo , Filip Radenovic , Tamara Berg

With the ever increasing size of the web, relevant information extraction on the Internet with a query formed by a few keywords has become a big challenge. Query Expansion (QE) plays a crucial role in improving searches on the Internet.…

Information Retrieval · Computer Science 2019-06-21 Hiteshwar Kumar Azad , Akshay Deepak

In this paper a framework for Automatic Query Expansion (AQE) is proposed using distributed neural language model word2vec. Using semantic and contextual relation in a distributed and unsupervised framework, word2vec learns a low…

Information Retrieval · Computer Science 2016-06-27 Dwaipayan Roy , Debjyoti Paul , Mandar Mitra , Utpal Garain

With the breakthroughs in large language models (LLMs), query generation techniques that expand documents and queries with related terms are becoming increasingly popular in the information retrieval field. Such techniques have been shown…

Information Retrieval · Computer Science 2025-07-16 Adam Yang , Gustavo Penha , Enrico Palumbo , Hugues Bouchard

Query expansion (QE) is a well-known technique used to enhance the effectiveness of information retrieval. QE reformulates the initial query by adding similar terms that help in retrieving more relevant results. Several approaches have been…

Information Retrieval · Computer Science 2019-06-21 Hiteshwar Kumar Azad , Akshay Deepak

The vocabulary mismatch problem is one of the important challenges facing traditional keyword-based Information Retrieval Systems. The aim of query expansion (QE) is to reduce this query-document mismatch by adding related or synonymous…

Information Retrieval · Computer Science 2015-09-21 Dipasree Pal , Mandar Mitra , Samar Bhattacharya

The search for relevant information can be very frustrating for users who, unintentionally, use too general or inappropriate keywords to express their requests. To overcome this situation, query expansion techniques aim at transforming the…

Information Retrieval · Computer Science 2016-05-13 Joan Guisado-Gámez , Arnau Prat-Pérez , Josep Lluís Larriba-Pey

In the field of information retrieval, query expansion (QE) has long been used as a technique to deal with the fundamental issue of word mismatch between a user's query and the target information. In the context of the relationship between…

Information Retrieval · Computer Science 2022-08-16 Hiteshwar Kumar Azad , Akshay Deepak

In search engines, query expansion (QE) is a crucial technique to improve search experience. Previous studies often rely on long-term search log mining, which leads to slow updates and is sub-optimal for time-sensitive news searches. In…

Information Retrieval · Computer Science 2023-05-31 Yanan Zhang , Weijie Cui , Yangfan Zhang , Xiaoling Bai , Zhe Zhang , Jin Ma , Xiang Chen , Tianhua Zhou

This study proposes a new way of using WordNet for Query Expansion (QE). We choose candidate expansion terms, as usual, from a set of pseudo relevant documents; however, the usefulness of these terms is measured based on their definitions…

Information Retrieval · Computer Science 2013-09-20 Dipasree Pal , Mandar Mitra , Kalyankumar Datta

The exponential growth of information on the Internet is a big challenge for information retrieval systems towards generating relevant results. Novel approaches are required to reformat or expand user queries to generate a satisfactory…

Computation and Language · Computer Science 2019-07-23 Morgan Gallant , Haruna Isah , Farhana Zulkernine , Shahzad Khan

Context: The growing size of graph-based modeling artifacts in model-driven engineering calls for techniques that enable efficient execution of graph queries. Incremental approaches based on the RETE algorithm provide an adequate solution…

Software Engineering · Computer Science 2024-07-08 Matthias Barkowsky , Holger Giese

Representation learning on graphs, also called graph embedding, has demonstrated its significant impact on a series of machine learning applications such as classification, prediction and recommendation. However, existing work has largely…

Machine Learning · Computer Science 2022-06-28 Yifan Hou , Hongzhi Chen , Changji Li , James Cheng , Ming-Chang Yang

The growing size of graph-based modeling artifacts in model-driven engineering calls for techniques that enable efficient execution of graph queries. Incremental approaches based on the RETE algorithm provide an adequate solution in many…

Logic in Computer Science · Computer Science 2026-01-14 Matthias Barkowsky , Holger Giese

Good term selection is an important issue for an automatic query expansion (AQE) technique. AQE techniques that select expansion terms from the target corpus usually do so in one of two ways. Distribution based term selection compares the…

Information Retrieval · Computer Science 2013-03-05 Dipasree Pal , Mandar Mitra , Kalyankumar Datta

As code search is a frequent developer activity in software development practices, improving the performance of code search is a critical task. In the text retrieval based search techniques employed in the code search, the term mismatch…

Software Engineering · Computer Science 2017-03-07 Liming Nie , He Jiang , Zhilei Ren , Zeyi Sun , Xiaochen Li

Information Retrieval (IR) is concerned with the identification of documents in a collection that are relevant to a given information need, usually represented as a query containing terms or keywords, which are supposed to be a good…

Information Retrieval · Computer Science 2013-02-01 Luis M. de Campos , Juan M. Fernandez-Luna , Juan F. Huete

Querying on big data is a challenging task due to the rapid growth of data amount. Approximate query processing (AQP) is a way to meet the requirement of fast response. In this paper, we propose a learning-based AQP method called the LAQP.…

Databases · Computer Science 2020-03-06 Meifan Zhang , Hongzhi Wang

This work addresses an alternative approach for query expansion (QE) using a generative adversarial network (GAN) to enhance the effectiveness of information search in e-commerce. We propose a modified QE conditional GAN (mQE-CGAN)…

Machine Learning · Computer Science 2023-01-03 Altan Cakir , Mert Gurkan

Complex Query Answering (CQA) is an important and fundamental task for knowledge graph (KG) reasoning. Query encoding (QE) is proposed as a fast and robust solution to CQA. In the encoding process, most existing QE methods first parse the…

Computation and Language · Computer Science 2023-06-27 Jiaxin Bai , Tianshi Zheng , Yangqiu Song
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