572 search results - page 19 / 115 » SQLST: A Spatio-Temporal Data Model and Query Language |
NGITS
1995
Springer
15 years 1 months ago
1995
Springer
TSIMMIS—TheStanford-IBMManagerofMultipleInformationSources—isasystemforintegrating information. It offers a data model and a common query language that are designed to support ...
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PODS
1999
ACM
15 years 2 months ago
1999
ACM
Semistructured data occur in situations where information lacks a homogeneous structure and is incomplete. Yet, up to now the incompleteness of information has not been re ected b...
ENTCS
2006
14 years 9 months ago
2006
Data integration systems provide a uniform query interface (UQI) to multiple, autonomous data sources [4]. This paper presents the universal data model (UDM) that captures the sem...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Many advanced data management operations (e.g., incremental maintenance, trust assessment, debugging schema mappings, keyword search over databases, or query answering in probabil...
WWW
2004
ACM
15 years 10 months ago
2004
ACM
This paper describes a query algebra for queries over XML p2p databases that provides explicit mechanisms for modeling data dissemination, replication constraints, and for capturi...