572 search results - page 14 / 115 » SQLST: A Spatio-Temporal Data Model and Query Language |
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PODS
2002
ACM
15 years 9 months ago
2002
ACM
In this overview paper we motivate the need for and research issues arising from a new model of data processing. In this model, data does not take the form of persistent relations...
PGLDB
2003
14 years 11 months ago
2003
Learning Content Management Systems (LCMS) supports e-learning applications with storage and efficient access for e-learning objects (LO)s. ROSA is a LCMS built as a semantic laye...
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ECHT
1992
15 years 1 months ago
1992
We present a model for data organized as graphs. Regular expressions over the types of the node and edge labels are used to qualify connected subgraphs. An algebraic language base...
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TIME
2009
IEEE
15 years 4 months ago
2009
IEEE
—Past research on temporal databases has primarily focused on state-based representations and on relational query language extensions for such representations. This led to many d...