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Web service composition is the process of synthesizing a new composite service using a set of available Web services in order to satisfy a client request that cannot be treated by any available Web services. The Web services space is a…

人工智能 · 计算机科学 2013-05-02 Chantal Cherifi , Yvan Rivierre , Jean-Francois Santucci

Deep dictionary learning seeks multiple dictionaries at different image scales to capture complementary coherent characteristics. We propose a method for learning a hierarchy of synthesis dictionaries with an image classification goal. The…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Shahin Mahdizadehaghdam , Ashkan Panahi , Hamid Krim , Liyi Dai

Massive device connectivity in Internet of Thing (IoT) networks with sporadic traffic poses significant communication challenges. To overcome this challenge, the serving base station is required to detect the active devices and estimate the…

信号处理 · 电气工程与系统科学 2020-06-11 Yuning Jiang , Junyan Su , Yuanming Shi , Boris Houska

In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted techniques for their handling. Our approach constructs and…

数据库 · 计算机科学 2010-07-23 Alexandra Meliou , Carlos Guestrin , Joseph M. Hellerstein

We present a system for summarization and interactive exploration of high-valued aggregate query answers to make a large set of possible answers more informative to the user. Our system outputs a set of clusters on the high-valued query…

数据库 · 计算机科学 2018-08-01 Yuhao Wen , Xiaodan Zhu , Sudeepa Roy , Jun Yang

This paper considers optimization problems over networks where agents have individual objectives to meet, or individual parameter vectors to estimate, subject to subspace constraints that require the objectives across the network to lie in…

多智能体系统 · 计算机科学 2020-04-22 Roula Nassif , Stefan Vlaski , Ali H. Sayed

IP Geolocation is a key enabler for the Future Internet to provide geographical location information for application services. For example, this data is used by Content Delivery Networks to assign users to mirror servers, which are close…

网络与互联网体系结构 · 计算机科学 2020-04-06 Peter Hillmann , Lars Stiemert , Gabi Dreo , Oliver Rose

This paper presents a systematic approach for implementing a class of nonlinear signal processing systems as a distributed web service, which in turn is used to solve optimization problems in a distributed, asynchronous fashion. As opposed…

分布式、并行与集群计算 · 计算机科学 2015-09-25 Tarek A. Lahlou , Thomas A. Baran

This paper is a survey discussing Information Retrieval concepts, methods, and applications. It goes deep into the document and query modelling involved in IR systems, in addition to pre-processing operations such as removing stop words and…

信息检索 · 计算机科学 2012-12-11 Youssef Bassil

The efficiency of a large hierarchical organisation is simulated on Barabasi-Albert networks, when each needed link leads to a loss of information. The optimum is found at a finite network size, corresponding to about five hierarchical…

物理与社会 · 物理学 2009-11-13 D. Stauffer , P. M. C. de Oliveira

A key challenge in satisficing planning is to use multiple heuristics within one heuristic search. An aggregation of multiple heuristic estimates, for example by taking the maximum, has the disadvantage that bad estimates of a single…

人工智能 · 计算机科学 2021-04-13 David Speck , André Biedenkapp , Frank Hutter , Robert Mattmüller , Marius Lindauer

The hyperlink prediction task, that of proposing new links between webpages, can be used to improve search engines, expand the visibility of web pages, and increase the connectivity and navigability of the web. Hyperlink prediction is…

数据结构与算法 · 计算机科学 2016-11-29 Dario Garcia-Gasulla , Eduard Ayguadé , Jesús Labarta , Ulises Cortés , Toyotaro Suzumura

Availability of both massive datasets and computing resources have made machine learning and predictive analytics extremely pervasive. In this work we present a synchronous algorithm and architecture for distributed optimization motivated…

分布式、并行与集群计算 · 计算机科学 2016-12-20 Shripad Gade , Nitin H. Vaidya

The quest for a quantitative characterization of community and modular structure of complex networks produced a variety of methods and algorithms to classify different networks. However, it is not clear if such methods provide consistent,…

物理与社会 · 物理学 2016-01-08 Juan Ignacio Perotti , Claudio Juan Tessone , Guido Caldarelli

A wide range of Bayesian models have been proposed for data that is divided hierarchically into groups. These models aim to cluster the data at different levels of grouping, by assigning a mixture component to each datapoint, and a mixture…

机器学习 · 计算机科学 2015-04-21 Adway Mitra

In this work, we aim to address the challenge of slice provisioning in edge-based mobile networks. We propose a solution that learns a service function chain placement policy for Network Slice Requests, to maximize the request acceptance…

网络与互联网体系结构 · 计算机科学 2025-08-11 Jesutofunmi Ajayi , Antonio Di Maio , Torsten Braun

The widespread emergence of the Internet as a platform for electronic data distribution and the advent of structured information have revolutionized our ability to deliver information to any corner of the world. Although Service Oriented…

网络与互联网体系结构 · 计算机科学 2010-06-16 Rohit Vashishtha , Ankit Gupta , Piyush Gupta , Shakti Mishra , D S Kushwaha

This paper presents a critical and practical approach to the evolution of distribution network reconfiguration algorithms, tracing their development from foundational heuristic methods introduced in 1975 to contemporary state-of-the-art…

系统与控制 · 电气工程与系统科学 2025-12-01 Ferran Bohigas-Daranas , Oriol Gomis-Bellmunt , Eduardo Prieto-Araujo

This paper studies the information theoretic secure aggregation problem in a three-layer hierarchical network with arbitrary heterogeneous data assignment, where clustered users communicate with an aggregation server through an intermediate…

信息论 · 计算机科学 2026-04-15 Chenyi Sun , Ziting Zhang , Kai Wan , Xiang Zhang

In the supervised learning domain, considering the recent prevalence of algorithms with high computational cost, the attention is steering towards simpler, lighter, and less computationally extensive training and inference approaches. In…

机器学习 · 计算机科学 2022-09-02 Antonello Rosato , Massimo Panella , Denis Kleyko