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» Advanced Processing for Ontological Queries
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PVLDB
2010
122views more  PVLDB 2010»
14 years 8 months ago
On Graph Query Optimization in Large Networks
The dramatic proliferation of sophisticated networks has resulted in a growing need for supporting effective querying and mining methods over such large-scale graph-structured da...
Peixiang Zhao, Jiawei Han
MDM
2009
Springer
192views Communications» more  MDM 2009»
15 years 4 months ago
Thresholded Range Aggregation in Sensor Networks
— The recent advances in wireless sensor technologies (e.g., Mica, Telos motes) enable the economic deployment of lightweight sensors for capturing data from their surrounding en...
Zhifeng Lin, Man Lung Yiu, Nikos Mamoulis
ACL
2006
14 years 11 months ago
On-Demand Information Extraction
At present, adapting an Information Extraction system to new topics is an expensive and slow process, requiring some knowledge engineering for each new topic. We propose a new par...
Satoshi Sekine
ICDE
2005
IEEE
145views Database» more  ICDE 2005»
15 years 3 months ago
Towards Indexing Schemes for Self-Tuning DBMS
Index tuning as part of database tuning is the task of selecting and creating indexes with the goal of reducing query processing times. However, in dynamic environments with vario...
Kai-Uwe Sattler, Eike Schallehn, Ingolf Geist
SSDBM
2009
IEEE
119views Database» more  SSDBM 2009»
15 years 4 months ago
Identifying the Most Endangered Objects from Spatial Datasets
Abstract. Real-life spatial objects are usually described by their geographic locations (e.g., longitude and latitude), and multiple quality attributes. Conventionally, spatial dat...
Hua Lu, Man Lung Yiu