Sciweavers

54 search results - page 11 / 11
» Cost based plan selection for xpath
Sort
View
DEXA
1995
Springer
126views Database» more  DEXA 1995»
13 years 9 months ago
A Heuristic Approach for Optimization of Path Expressions
Abstract. The object-oriented database management systems store references to objects (implicit joins, precomputed joins), and use path expressions in query languages. One way of e...
Cetin Ozkan, Asuman Dogac, Cem Evrendilek
EDBT
2002
ACM
125views Database» more  EDBT 2002»
14 years 5 months ago
Estimating Answer Sizes for XML Queries
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish
AAAI
2008
13 years 7 months ago
ARMOR Security for Los Angeles International Airport
Security at major locations of economic or political importance is a key concern around the world, particularly given the threat of terrorism. Limited security resources prevent f...
James Pita, Manish Jain, Fernando Ordó&ntil...
VLDB
1995
ACM
97views Database» more  VLDB 1995»
13 years 9 months ago
Processing Object-Oriented Queries with Invertible Late Bound Functions
New demandsare put on query processing in Object-Oriented(00) databasesto provide efficient andrelationally completequery languages. A flexible 00 data model requires overloading ...
Staffan Flodin, Tore Risch