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SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
Applications like multimedia retrieval require efficient support for similarity search on large data collections. Yet, nearest neighbor search is a difficult problem in high dimen...
SIGMOD
2002
ACM
13 years 7 months ago
2002
ACM
Workflow management systems (WFMS) that are geared for the orchestration of business processes across multiple organizations are complex distributed systems: they consist of multi...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
Ontologies in current computer science parlance are computer based resources that represent agreed domain semantics. Unlike data models, the fundamental asset of ontologies is the...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
The availability of summary data for XML documents has many applications, from providing users with quick feedback about their queries, to cost-based storage design and query opti...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
Joins are among the most frequently executed operations. Several fast join algorithms have been developed and extensively studied; these can be categorized as sort-merge, hash-bas...