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SIGMOD
2008
ACM
150views Database» more  SIGMOD 2008»
14 years 10 months ago
Ranking queries on uncertain data: a probabilistic threshold approach
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
Ming Hua, Jian Pei, Wenjie Zhang, Xuemin Lin
SIGMOD
2008
ACM
140views Database» more  SIGMOD 2008»
14 years 10 months ago
Skippy: a new snapshot indexing method for time travel in the storage manager
The storage manager of a general-purpose database system can retain consistent disk page level snapshots and run application programs "back-in-time" against long-lived p...
Ross Shaull, Liuba Shrira, Hao Xu
SIGMOD
2008
ACM
126views Database» more  SIGMOD 2008»
14 years 10 months ago
On efficient top-k query processing in highly distributed environments
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
SIGMOD
2008
ACM
147views Database» more  SIGMOD 2008»
14 years 10 months ago
A demonstration of Cascadia through a digital diary application
The Cascadia system provides RFID-based pervasive computing applications with an infrastructure for specifying, extracting and managing meaningful high-level events from raw RFID ...
Christopher Ré, Dan Suciu, Evan Welbourne, ...
SIGMOD
2008
ACM
154views Database» more  SIGMOD 2008»
14 years 10 months ago
SEMMO: a scalable engine for massively multiplayer online games
We propose to demonstrate SEMMO, a consistency server for MMOs. The key features of SEMMO are its novel distributed consistency protocol and system architecture. The distributed n...
Nitin Gupta 0003, Alan J. Demers, Johannes Gehrke