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» Studying Query Expansion Effectiveness
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TKDE
2011
528views more  TKDE 2011»
13 years 3 months ago
The CoQUOS Approach to Continuous Queries in Unstructured Overlays
—The current peer-to-peer (P2P) content distribution systems are constricted by their simple on-demand content discovery mechanism. The utility of these systems can be greatly en...
Lakshmish Ramaswamy, Jianxia Chen
TKDE
2010
274views more  TKDE 2010»
13 years 7 months ago
Ranked Query Processing in Uncertain Databases
—Recently, many new applications, such as sensor data monitoring and mobile device tracking, raise up the issue of uncertain data management. Compared to “certain” data, the ...
Xiang Lian, Lei Chen 0002
IS
2007
13 years 9 months ago
Evaluation of probabilistic queries over imprecise data in constantly-evolving environments
Sensors are often employed to monitor continuously changing entities like locations of moving objects and temperature. The sensor readings are reported to a database system, and a...
Reynold Cheng, Dmitri V. Kalashnikov, Sunil Prabha...
SIGMOD
2004
ACM
199views Database» more  SIGMOD 2004»
14 years 9 months ago
Approximate XML Query Answers
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
ICDE
2008
IEEE
175views Database» more  ICDE 2008»
14 years 10 months ago
Continuous Intersection Joins Over Moving Objects
The continuous intersection join query is computationally expensive yet important for various applications on moving objects. No previous study has particularly addressed this que...
Rui Zhang 0003, Dan Lin, Kotagiri Ramamohanarao, E...