15372 search results - page 2894 / 3075 » The Semantics of Semantic Annotation |
PODS
2001
ACM
14 years 11 months ago
2001
ACM
The dimensionality curse has profound e ects on the effectiveness of high-dimensional similarity indexing from the performance perspective. One of the well known techniques for im...
PODS
2004
ACM
14 years 11 months ago
2004
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
PODS
2007
ACM
14 years 11 months ago
2007
ACM
Event processing systems have wide applications ranging from managing events from RFID readers to monitoring RSS feeds. Consequently, there exists much work on them in the literat...
PODS
2007
ACM
14 years 11 months ago
2007
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. Two operators on schema mappings, namely the composition operator and th...
PODS
2008
ACM
14 years 11 months ago
2008
ACM
We present a novel definition of privacy in the framework of offline (retroactive) database query auditing. Given information about the database, a description of sensitive data, ...