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DBISP2P
2004
Springer
162views Database» more  DBISP2P 2004»
15 years 3 months ago
CISS: An Efficient Object Clustering Framework for DHT-Based Peer-to-Peer Applications
Distributed Hash Tables (DHTs) have been widely adopted in many Internet-scale P2P systems. Emerging P2P applications such as massively multi player online games (MMOGs) and P2P ca...
Jinwon Lee, Hyonik Lee, Seungwoo Kang, Sungwon Pet...
VLDB
2001
ACM
110views Database» more  VLDB 2001»
15 years 2 months ago
Comparing Hybrid Peer-to-Peer Systems
“Peer-to-peer” systems like Napster and Gnutella have recently become popular for sharing information. In this paper, we study the relevant issues and tradeoffs in designing a...
Beverly Yang, Hector Garcia-Molina
ICDT
2007
ACM
126views Database» more  ICDT 2007»
15 years 3 months ago
Containment of Conjunctive Queries over Databases with Null Values
Abstract. We study containment of conjunctive queries that are evaluated over databases that may contain tuples with null values. We assume the semantics of SQL for single block qu...
Carles Farré, Werner Nutt, Ernest Teniente,...
ISSADS
2005
Springer
15 years 3 months ago
Extending Databases to Precision-Controlled Retrieval of Qualitative Information
A hierarchy is an arrangement of qualitative values in a tree with certain properties. Hierarchies allow to define the confusion conf(r, s) in using qualitative value r instead of ...
Victor-Polo de Gyves, Adolfo Guzmán-Arenas,...
DEXAW
2007
IEEE
157views Database» more  DEXAW 2007»
15 years 1 months ago
Dimensionality Reduction in a P2P System
Peers and data objects in the Hybrid Overlay Network (HON) are organized in a ndimensional feature space. As the dimensionality increases, peers and data objects become sparse and ...
Mouna Kacimi, Kokou Yétongnon