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SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
14 years 11 months ago
ARCube: supporting ranking aggregate queries in partially materialized data cubes
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
Tianyi Wu, Dong Xin, Jiawei Han
CIKM
2010
Springer
13 years 9 months ago
Preference query evaluation over expensive attributes
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
ICDE
2011
IEEE
234views Database» more  ICDE 2011»
13 years 2 months ago
How schema independent are schema free query interfaces?
— Real-world databases often have extremely complex schemas. With thousands of entity types and relationships, each with a hundred or so attributes, it is extremely difficult fo...
Arash Termehchy, Marianne Winslett, Yodsawalai Cho...
ICDE
2010
IEEE
208views Database» more  ICDE 2010»
14 years 10 months ago
Intensional Associations in Dataspaces
Dataspace applications necessitate the creation of associations among data items over time. For example, once information about people is extracted from sources on the Web, associa...
Marcos Antonio Vaz Salles, Jens Dittrich, Lukas Bl...
ICDE
2011
IEEE
215views Database» more  ICDE 2011»
13 years 2 months ago
Top-k keyword search over probabilistic XML data
—Despite the proliferation of work on XML keyword query, it remains open to support keyword query over probabilistic XML data. Compared with traditional keyword search, it is far...
Jianxin Li, Chengfei Liu, Rui Zhou, Wei Wang