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PODS
2000
ACM
179views Database» more  PODS 2000»
15 years 6 months ago
Selectivity Estimation for Boolean Queries
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
Zhiyuan Chen, Flip Korn, Nick Koudas, S. Muthukris...
SIROCCO
2008
15 years 3 months ago
Remembering without Memory: Tree Exploration by Asynchronous Oblivious Robots
In the effort to understand the algorithmic limitations of computing by a swarm of robots, the research has focused on the minimal capabilities that allow a problem to be solved. ...
Paola Flocchini, David Ilcinkas, Andrzej Pelc, Nic...
DLOG
2004
15 years 3 months ago
Towards Explaining Semantic Matching
Interoperability among systems using different term vocabularies requires mappings between them. Matching applications generate these mappings. When the matching process utilizes ...
Deborah L. McGuinness, Pavel Shvaiko, Fausto Giunc...
ICDE
2005
IEEE
120views Database» more  ICDE 2005»
16 years 3 months ago
Asymmetric Batch Incremental View Maintenance
Incremental view maintenance has found a growing number of applications recently, including data warehousing, continuous query processing, publish/subscribe systems, etc. Batch pr...
Hai Yu, Hao He, Jun Yang 0001, Junyi Xie
SIGMOD
2007
ACM
195views Database» more  SIGMOD 2007»
16 years 2 months ago
Effective variation management for pseudo periodical streams
Many database applications require the analysis and processing of data streams. In such systems, huge amounts of data arrive rapidly and their values change over time. The variati...
Lv-an Tang, Bin Cui, Hongyan Li, Gaoshan Miao, Don...