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» Scalable Package Queries in Relational Database Systems
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ICDE
1998
IEEE
119views Database» more  ICDE 1998»
15 years 11 months ago
Processing Incremental Multidimensional Range Queries in a Direct Manipulation Visual Query
We have developed a MultiMedia Visual Information Seeking (MMVIS) Environment that is the first system to support an integrated approach to the direct manipulation specification o...
Stacie Hibino, Elke A. Rundensteiner
ICWE
2004
Springer
15 years 3 months ago
A Scalable Component-Based Architecture for Online Services of Library Catalogs
Abstract. In recent years, more and more publications and material for studying and teaching, e. g. for Web-based teaching (WBT), appear "online" and digital libraries ar...
Marcus Flehmig
SIGMOD
2007
ACM
219views Database» more  SIGMOD 2007»
15 years 10 months ago
Efficient exploitation of similar subexpressions for query processing
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
Jingren Zhou, Johann Christoph Freytag, Per-Å...
SIGMOD
2007
ACM
160views Database» more  SIGMOD 2007»
15 years 10 months ago
Supporting ranking and clustering as generalized order-by and group-by
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...
Chengkai Li, Min Wang, Lipyeow Lim, Haixun Wang, K...
SIGMOD
2001
ACM
158views Database» more  SIGMOD 2001»
15 years 10 months ago
Generating Efficient Plans for Queries Using Views
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
Foto N. Afrati, Chen Li, Jeffrey D. Ullman