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Indexing is a well-known database technique used to facilitate data access and speed up query processing. Nevertheless, the construction and modification of indexes are very expensive. In traditional approaches, all records in the database…

Databases · Computer Science 2023-06-22 Wojciech Macyna , Michal Kukowski

The process of data analysis, especially in GUI-based analytics systems, is highly exploratory. The user iteratively refines a workflow multiple times before arriving at the final workflow. In such an exploratory setting, it is valuable to…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-08-30 Avinash Kumar , Sadeem Alsudais , Shengquan Ni , Zuozhi Wang , Yicong Huang , Chen Li

As data volumes grow across applications, analytics of large amounts of data is becoming increasingly important. Big data processing frameworks such as Apache Hadoop, Apache AsterixDB, and Apache Spark have been built to meet this demand. A…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-12-15 Avinash Kumar

In computer interfaces in general, especially in information retrieval tasks, it is important to be able to quickly find and retrieve information. State of the art approach, used, for example, in search engines, is not effective as it…

Information Retrieval · Computer Science 2015-02-20 Dmytro Filatov , Taras Filatov

Fast, autonomous flight in unstructured, cluttered environments such as forests is challenging because it requires the robot to compute new plans in realtime on a computationally-constrained platform. In this paper, we enable this…

Robotics · Computer Science 2022-03-04 Laura Jarin-Lipschitz , Xu Liu , Yuezhan Tao , Vijay Kumar

Accurate and efficient entity resolution (ER) is a significant challenge in many data mining and analysis projects requiring integrating and processing massive data collections. It is becoming increasingly important in real-world…

Databases · Computer Science 2021-11-09 Samudra Herath , Matthew Roughan , Gary Glonek

To harness the potential of advanced computing technologies, efficient (real time) analysis of large amounts of data is as essential as are front-line simulations. In order to optimise this process, experts need to be supported by…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-07-03 Jovana Knežević , Ralf-Peter Mundani , Ernst Rank

Data exploration and visualization systems are of great importance in the Big Data era, in which the volume and heterogeneity of available information make it difficult for humans to manually explore and analyse data. Most traditional…

Human-Computer Interaction · Computer Science 2016-02-22 Nikos Bikakis , George Papastefanatos , Melina Skourla , Timos Sellis

Over the past a few years, research and development has made significant progresses on big data analytics. A fundamental issue for big data analytics is the efficiency. If the optimal solution is unable to attain or not required or has a…

Databases · Computer Science 2019-01-03 Shuai Ma , Jinpeng Huai

Retrieval-Augmented Large Language Models (LLMs), which incorporate the non-parametric knowledge from external knowledge bases into LLMs, have emerged as a promising approach to enhancing response accuracy in several tasks, such as…

Computation and Language · Computer Science 2024-03-29 Soyeong Jeong , Jinheon Baek , Sukmin Cho , Sung Ju Hwang , Jong C. Park

In a dynamic retrieval system, documents must be ingested as they arrive, and be immediately findable by queries. Our purpose in this paper is to describe an index structure and processing regime that accommodates that requirement for…

Information Retrieval · Computer Science 2023-01-12 Alistair Moffat , Joel Mackenzie

IoT-enabled devices continue to generate a massive amount of data. Transforming this continuously arriving raw data into timely insights is critical for many modern online services. For such settings, the traditional form of data analytics…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-16 Zhenyu Wen , Do Le Quoc , Pramod Bhatotia , Ruichuan Chen , Myungjin Lee

Filtered ANN search is an increasingly important problem in vector retrieval, yet systems face a difficult trade-off due to the execution order: Pre-filtering (filtering first, then ANN over the passing subset) requires expensive…

Databases · Computer Science 2026-02-23 Zhuocheng Gan , Yifan Wang

Developing autonomous agents that quickly explore an environment and adapt their behavior online is a canonical challenge in robotics and machine learning. While humans are able to achieve such fast online exploration and adaptation, often…

Machine Learning · Computer Science 2025-07-15 Andrew Wagenmaker , Zhiyuan Zhou , Sergey Levine

Background: We describe an informatics framework for researchers and clinical investigators to efficiently perform parameter sensitivity analysis and auto-tuning for algorithms that segment and classify image features in a large dataset of…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-12-13 George Teodoro , Tahsin Kurc , Luis F. R. Taveira , Alba C. M. A. Melo , Jun Kong , Joel Saltz

In this paper, we argue that database systems be augmented with an automated data exploration service that methodically steers users through the data in a meaningful way. Such an automated system is crucial for deriving insights from…

Databases · Computer Science 2015-11-02 Kyriaki Dimitriadou , Olga Papaemmanouil , Yanlei Diao

Personalized conversational information retrieval (CIR) systems aim to satisfy users' complex information needs through multi-turn interactions by considering user profiles. However, not all search queries require personalization. The…

Information Retrieval · Computer Science 2025-08-13 Fengran Mo , Yuchen Hui , Yuxing Tian , Zhaoxuan Tan , Chuan Meng , Zhan Su , Kaiyu Huang , Jian-Yun Nie

Filtered approximate nearest neighbor search (ANNS) restricts the search to data objects whose attributes satisfy a given filter and retrieves the top-$K$ objects that are most semantically similar to the query object. Many graph-based ANNS…

Databases · Computer Science 2025-11-04 Tianming Wu , Dixin Tang

Recent progress in deep learning has been driven by increasingly larger models. However, their computational and energy demands have grown proportionally, creating significant barriers to their deployment and to a wider adoption of deep…

Machine Learning · Computer Science 2025-09-16 Pedro Savarese

Optimizing resource utilization in target platforms is key to achieving high performance during DNN inference. While optimizations have been proposed for inference latency, memory footprint, and energy consumption, prior hardware-aware…

Machine Learning · Computer Science 2022-03-24 Ahmet Caner Yüzügüler , Nikolaos Dimitriadis , Pascal Frossard