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SIGMOD
1995
ACM
88views Database» more  SIGMOD 1995»
15 years 10 months ago
Semantic Assumptions and Query Evaluation in Temporal Databases
When querying a temporal database, a user often makes certain semantic assumptions on stored temporal data. This paper formalizes and studies two types of semantic assumptions: po...
Claudio Bettini, Xiaoyang Sean Wang, Elisa Bertino...
SSDBM
2003
IEEE
115views Database» more  SSDBM 2003»
15 years 11 months ago
Efficient Update and Retrieval of Objects in a Multiresolution Geospatial Database
Many emerging applications benefit from the extraction of geospatial data specified at different resolutions for viewing purposes. Data must also be topologically accurate and up-...
Sham Prasher, Xiaofang Zhou
EDBT
2010
ACM
153views Database» more  EDBT 2010»
15 years 10 months ago
Beyond pages: supporting efficient, scalable entity search with dual-inversion index
Entity search, a significant departure from page-based retrieval, finds data, i.e., entities, embedded in documents directly and holistically across the whole collection. This pap...
Tao Cheng, Kevin Chen-Chuan Chang
WWW
2003
ACM
16 years 7 months ago
Text joins in an RDBMS for web data integration
The integration of data produced and collected across autonomous, heterogeneous web services is an increasingly important and challenging problem. Due to the lack of global identi...
Luis Gravano, Panagiotis G. Ipeirotis, Nick Koudas...
KDD
2010
ACM
242views Data Mining» more  KDD 2010»
15 years 8 months ago
A scalable two-stage approach for a class of dimensionality reduction techniques
Dimensionality reduction plays an important role in many data mining applications involving high-dimensional data. Many existing dimensionality reduction techniques can be formula...
Liang Sun, Betul Ceran, Jieping Ye