4335 search results - page 825 / 867 » Ontology Engineering Relationally |
POPL
2003
ACM
14 years 9 months ago
2003
ACM
We introduce a new framework of algebraic pure type systems in which we consider rewrite rules as lambda terms with patterns and rewrite rule application as abstraction applicatio...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...
VLDB
2008
ACM
14 years 9 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...