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ICDE
1999
IEEE
143views Database» more  ICDE 1999»
16 years 14 days ago
Query Routing in Large-Scale Digital Library Systems
Modern digital libraries require user-friendly and yet responsive access to the rapidly growing, heterogeneous, and distributed collection of information sources. However, the inc...
Ling Liu
SIGMOD
2002
ACM
114views Database» more  SIGMOD 2002»
15 years 11 months ago
Time-parameterized queries in spatio-temporal databases
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
Yufei Tao, Dimitris Papadias
166
Voted
SIGMOD
2006
ACM
110views Database» more  SIGMOD 2006»
15 years 11 months ago
Supporting ad-hoc ranking aggregates
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas
DEBS
2009
ACM
15 years 5 months ago
Distributed event stream processing with non-deterministic finite automata
Efficient matching of incoming events to persistent queries is fundamental to event pattern matching, complex event processing, and publish/subscribe systems. Recent processing e...
Lars Brenna, Johannes Gehrke, Mingsheng Hong, Dag ...
101
Voted
EDBT
2009
ACM
149views Database» more  EDBT 2009»
14 years 9 months ago
Towards integrated and efficient scientific sensor data processing: a database approach
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...
Ji Wu, Yongluan Zhou, Karl Aberer, Kian-Lee Tan