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ADBIS
2004
Springer
224views Database» more  ADBIS 2004»
15 years 3 months ago
Using Ontologies for Database Query Reformulation
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
Chokri Ben Necib, Johann Christoph Freytag
BTW
2007
Springer
154views Database» more  BTW 2007»
15 years 3 months ago
Integrating Query-Feedback Based Statistics into Informix Dynamic Server
: Statistics that accurately describe the distribution of data values in the columns of relational tables are essential for effective query optimization in a database management sy...
Alexander Behm, Volker Markl, Peter J. Haas, Kesha...
DEXAW
2000
IEEE
88views Database» more  DEXAW 2000»
15 years 2 months ago
Spatio-Temporal Databases: Contentions, Components and Consolidation
Spatio-temporal databases have been the focus of considerable research activity over a significant period. However, there are as of yet very few prototypes of complete systems, f...
Norman W. Paton, Alvaro A. A. Fernandes, Tony Grif...
ICDE
2009
IEEE
155views Database» more  ICDE 2009»
15 years 4 months ago
SPROUT: Lazy vs. Eager Query Plans for Tuple-Independent Probabilistic Databases
— A paramount challenge in probabilistic databases is the scalable computation of confidences of tuples in query results. This paper introduces an efficient secondary-storage o...
Dan Olteanu, Jiewen Huang, Christoph Koch
BMCBI
2010
70views more  BMCBI 2010»
14 years 9 months ago
The Text-mining based PubChem Bioassay neighboring analysis
Background: In recent years, the number of High Throughput Screening (HTS) assays deposited in PubChem has grown quickly. As a result, the volume of both the structured informatio...
Lianyi Han, Tugba O. Suzek, Yanli Wang, Steve H. B...