98 search results - page 10 / 20 » A Formal Model for the Problem of View Selection for Aggrega... |
ICDE
2000
IEEE
14 years 2 days ago
2000
IEEE
We consider the view data lineage problem in a warehousing environment: For a given data item in a materialized warehouse view, we want to identify the set of source data items th...
DAWAK
1999
Springer
13 years 12 months ago
1999
Springer
One of the most challenging problems in data manipulation in the future is to be able to e ciently handle very large databases but also multiple induced properties or generalizatio...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...
ECOWS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract—In this paper, we address the problem of selfadaptation in internet-scale service-oriented systems. Services need to adapt by select the best neighboring services solely...