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Given the vast scale of the Web, crawling prioritisation techniques based on link graph traversal, popularity, link analysis, and textual content are frequently applied to surface documents that are most likely to be valuable. While…

Information Retrieval · Computer Science 2025-07-03 Francesca Pezzuti , Sean MacAvaney , Nicola Tonellotto

With the recent explosion in the size and complexity of source codebases and software projects, the need for efficient source code search engines has increased dramatically. Unfortunately, existing information retrieval-based methods fail…

Software Engineering · Computer Science 2021-09-27 Muhammad Khalifa

Conventional single image based localization methods usually fail to localize a querying image when there exist large variations between the querying image and the pre-built scene. To address this, we propose an image-set querying based…

Computer Vision and Pattern Recognition · Computer Science 2015-09-22 Lei Deng , Siyuan Huang , Yueqi Duan , Baohua Chen , Jie Zhou

This report investigates three fundamental search algorithms: Linear Search, Binary Search, and Two Pointer Search. Linear Search checks each element sequentially, Binary Search divides the search space in half, and Two Pointer Search uses…

Data Structures and Algorithms · Computer Science 2024-06-25 Nazma Akter Zinnia , Eisuke Hanada

Precise estimation of global orientation and location is critical to ensure a compelling outdoor Augmented Reality (AR) experience. We address the problem of geo-pose estimation by cross-view matching of query ground images to a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Niluthpol Chowdhury Mithun , Kshitij Minhas , Han-Pang Chiu , Taragay Oskiper , Mikhail Sizintsev , Supun Samarasekera , Rakesh Kumar

Local search plays a central role in many effective heuristic algorithms for the vehicle routing problem (VRP) and its variants. However, neighborhood exploration is known to be computationally expensive and time consuming, especially for…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-30 Zhenyu Lei , Jin-Kao Hao , Qinghua Wu

Efficient retrieval of information is of key importance when using Big Data systems. In large scale-out data architectures, data are distributed and replicated across several machines. Queries/tasks to such data architectures, are sent to a…

The proliferation of AI-powered search engines has shifted information discovery from traditional link-based retrieval to direct answer generation with selective source citation, creating new challenges for content visibility. While…

Computation and Language · Computer Science 2026-04-01 Junwei Yu , Mufeng Yang , Yepeng Ding , Hiroyuki Sato

Geographic Information Systems (GIS) are widely used in different domains of applications, such as maritime navigation, museums visits and route planning, as well as ecological, demographical and economical applications. Nowadays,…

Information Retrieval · Computer Science 2012-08-14 Saida Aissi , Mohamed Salah Gouider

Query expansion is a functionality of search engines that suggests a set of related queries for a user-issued keyword query. Typical corpus-driven keyword query expansion approaches return popular words in the results as expanded queries.…

Information Retrieval · Computer Science 2011-04-19 Ziyang Liu , Sivaramakrishnan Natarajan , Yi Chen

In human reading and communication, individuals tend to engage in geospatial reasoning, which involves recognizing geographic entities and making informed inferences about their interrelationships. To mimic such cognitive process, current…

Computation and Language · Computer Science 2024-08-22 Yibo Yan , Joey Lee

This article presents results of experimental studies the effectiveness of the genetic algorithm that was applied to effective queries creation and relevant document selection. Studies were carried out to the comparative analysis of the…

Information Retrieval · Computer Science 2015-04-06 V. K. Ivanov , B. V. Palyukh

Traditional search engines usually provide identical search results for all users, overlooking individual preferences. To counter this limitation, personalized search has been developed to re-rank results based on user preferences derived…

Information Retrieval · Computer Science 2024-02-19 Yujia Zhou , Qiannan Zhu , Jiajie Jin , Zhicheng Dou

Cross-view geo-localization has garnered notable attention in the realm of computer vision, spurred by the widespread availability of copious geotagged datasets and the advancements in machine learning techniques. This paper provides a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Abhilash Durgam , Sidike Paheding , Vikas Dhiman , Vijay Devabhaktuni

Consumer electronic devices such as mobile handsets, goods tagged with RFID labels, location and position sensors are continuously generating a vast amount of location enriched data called geospatial data. Conventionally such geospatial…

Artificial Intelligence · Computer Science 2020-09-01 Arvind W. Kiwelekar , Geetanjali S. Mahamunkar , Laxman D. Netak , Valmik B Nikam

Gaussian process (GP) model based optimization is widely applied in simulation and machine learning. In general, it first estimates a GP model based on a few observations from the true response and then employs this model to guide the…

Machine Learning · Statistics 2021-07-08 Qun Meng , Songhao Wang , Szu Hui Ng

Pre-trained language models have been widely exploited to learn dense representations of documents and queries for information retrieval. While previous efforts have primarily focused on improving effectiveness and user satisfaction,…

Information Retrieval · Computer Science 2025-05-01 Cristina Ioana Muntean , Franco Maria Nardini , Raffaele Perego , Guido Rocchietti , Cosimo Rulli

Most distributed storage systems provide limited abilities for querying data by attributes other than their primary keys. Supporting efficient search on secondary attributes is challenging as applications pose varying requirements to query…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-03-13 Dimitrios Vasilas , Marc Shapiro , Bradley King

Data intensive applications on clusters often require requests quickly be sent to the node managing the desired data. In many applications, one must look through a sorted tree structure to determine the responsible node for accessing or…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Xiaoqin Ma , Gene Cooperman

Central to robot exploration and mapping is the task of persistent localization in environmental fields characterized by spatially correlated measurements. This paper presents a Gaussian process localization (GP-Localize) algorithm that, in…

Robotics · Computer Science 2014-04-23 Nuo Xu , Kian Hsiang Low , Jie Chen , Keng Kiat Lim , Etkin Baris Ozgul