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» Continuous Queries over Data Streams
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SOFSEM
2010
Springer
14 years 5 months ago
Continuous Processing of Preference Queries in Data Streams
Preference queries have received considerable attention in the recent past, due to their use in selecting the most preferred objects, especially when the selection criteria are con...
Maria Kontaki, Apostolos N. Papadopoulos, Yannis M...
SIGMOD
2007
ACM
156views Database» more  SIGMOD 2007»
14 years 9 months ago
Mashup Feeds: : continuous queries over web services
Mashup Feeds is a system that supports integrated web service feeds as continuous queries. We introduce collectionbased stream processing semantics to enable information extractio...
Arsany Sawires, Divyakant Agrawal, Jun'ichi Tatemu...
ICDE
2003
IEEE
209views Database» more  ICDE 2003»
14 years 10 months ago
An Evaluation of Regular Path Expressions with Qualifiers against XML Streams
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
Dan Olteanu, François Bry, Tobias Kiesling
DASFAA
2006
IEEE
168views Database» more  DASFAA 2006»
14 years 2 months ago
PMJoin: Optimizing Distributed Multi-way Stream Joins by Stream Partitioning
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...
Yongluan Zhou, Ying Yan, Feng Yu, Aoying Zhou
ICEBE
2005
IEEE
168views Business» more  ICEBE 2005»
14 years 2 months ago
Frequency Operators for Condensative Queries over Data Streams
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
Lisha Ma, Werner Nutt