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Modern computer systems need to execute under strict safety constraints (e.g., a power limit), but doing so often conflicts with their ability to deliver high performance (i.e. minimal latency). Prior work uses machine learning to…

Systems and Control · Electrical Eng. & Systems 2022-04-25 Hyunji Kim , Ahsan Pervaiz , Henry Hoffmann , Michael Carbin , Yi Ding

Mining frequent sequential patterns consists in extracting recurrent behaviors, modeled as patterns, in a big sequence dataset. Such patterns inform about which events are frequently observed in sequences, i.e. what does really happen.…

Databases · Computer Science 2018-07-26 Thomas Guyet , René Quiniou

Large Language Model (LLM)-based passage expansion has shown promise for enhancing first-stage retrieval, but often underperforms with dense retrievers due to semantic drift and misalignment with their pretrained semantic space. Beyond…

Information Retrieval · Computer Science 2025-08-26 Huanwei Xu , Lin Xu , Liang Yuan

Existing reasoning datasets saturate and fail to test abstract, multi-step problems, especially pathfinding and complex rule constraint satisfaction. We introduce SPaRC (Spatial Pathfinding Reasoning Challenge), a dataset of 1,000 2D grid…

Artificial Intelligence · Computer Science 2025-09-22 Lars Benedikt Kaesberg , Jan Philip Wahle , Terry Ruas , Bela Gipp

A class of novel STAP algorithms based on sparse recovery technique were presented. Intrinsic sparsity of distribution of clutter and target energy on spatial-frequency plane was exploited from the viewpoint of compressed sensing. The…

Information Theory · Computer Science 2009-04-09 Hao Zhang , Gang Li , Huadong Meng

Data summarization is the process of generating interpretable and representative subsets from a dataset. Existing time series summarization approaches often search for recurring subsequences using a set of manually devised similarity…

Machine Learning · Computer Science 2023-08-29 Alireza Ghods , Trong Nghia Hoang , Diane Cook

There are two major approaches for sequence labeling. One is the probabilistic gradient-based methods such as conditional random fields (CRF) and neural networks (e.g., RNN), which have high accuracy but drawbacks: slow training, and no…

Machine Learning · Computer Science 2018-11-20 Xu Sun , Shuming Ma , Yi Zhang , Xuancheng Ren

State-machine replication, a fundamental approach to fault tolerance, requires replicas to execute commands deterministically, which usually results in sequential execution of commands. Sequential execution limits performance and underuses…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-04-29 Parisa Jalili Marandi , Fernando Pedone

Loop closure detection is the process involved when trying to find a match between the current and a previously visited locations in SLAM. Over time, the amount of time required to process new observations increases with the size of the…

Robotics · Computer Science 2024-07-24 Mathieu Labbé , François Michaud

Retrieval-augmented generation (RAG) has become the standard way to ground large language models in external knowledge, but many systems still organize evidence as flat chunks and retrieve it through largely unstructured search. This weak…

Computation and Language · Computer Science 2026-05-26 Miaohe Niu , Lianlei Shan , Zhengtao Yu , Jingbo Zhu , Tong Xiao

The most frequently used condition for sampling matrices employed in compressive sampling is the restricted isometry (RIP) property of the matrix when restricted to sparse signals. At the same time, imposing this condition makes it…

Information Theory · Computer Science 2013-03-11 Alexander Barg , Arya Mazumdar , Rongrong Wang

The rapid growth of emerging information technologies and application patterns in modern society, e.g., Internet, Internet of Things, Cloud Computing and Tri-network Convergence, has caused the advent of the era of big data. Big data…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-10-07 Junbo Zhang , Tianrui Li , Yi Pan

We present Synergy Aware Forgetting Ensemble (SAFE), a method to adapt large models on a diverse collection of data while minimizing the expected cost to remove the influence of training samples from the trained model. This process, also…

Machine Learning · Computer Science 2023-08-23 Yonatan Dukler , Benjamin Bowman , Alessandro Achille , Aditya Golatkar , Ashwin Swaminathan , Stefano Soatto

Collaborative learning through latent shared feature representations enables heterogeneous clients to train personalized models with improved performance and reduced sample complexity. Despite empirical success and extensive study, the…

Machine Learning · Computer Science 2025-11-25 Xiaochun Niu , Lili Su , Jiaming Xu , Pengkun Yang

The efficient parallel execution of complex computations requires balancing the workload across processors while minimizing the communication between them. This inherent trade-off is often captured by graph partitioning or DAG scheduling…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-04 Pál András Papp , Toni Böhnlein , A. N. Yzelman

Learning about underlying patterns in data using latent unobserved structures to improve the accuracy of predictive models has become an active avenue of deep learning research. Most approaches cluster the original features to capture…

Machine Learning · Computer Science 2025-04-09 Rishav Mukherjee , Jeffrey Ahearn Thompson

Random sampling has become a critical tool in solving massive matrix problems. For linear regression, a small, manageable set of data rows can be randomly selected to approximate a tall, skinny data matrix, improving processing time…

Data Structures and Algorithms · Computer Science 2014-08-22 Michael B. Cohen , Yin Tat Lee , Cameron Musco , Christopher Musco , Richard Peng , Aaron Sidford

Querying very large RDF data sets in an efficient manner requires a sophisticated distribution strategy. Several innovative solutions have recently been proposed for optimizing data distribution with predefined query workloads. This paper…

Databases · Computer Science 2015-07-10 Olivier Curé , Hubert Naacke , Mohamed-Amine Baazizi , Bernd Amann

Analytical tools often require real-time responses for highly concurrent parameterized workloads. A common solution is to answer queries using materialized subexpressions, hence reducing processing at runtime. However, as queries are still…

Databases · Computer Science 2023-07-18 Panagiotis Sioulas , Ioannis Mytilinis , Anastasia Ailamaki

Multi-vector retrieval methods such as ColBERT and its recent variant, the ConteXtualized Token Retriever (XTR), offer high accuracy but face efficiency challenges at scale. To address this, we present WARP, a retrieval engine that…

Information Retrieval · Computer Science 2025-07-08 Jan Luca Scheerer , Matei Zaharia , Christopher Potts , Gustavo Alonso , Omar Khattab