641 search results - page 29 / 129 » Temporal Queries in OLAP |
136
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IC
2007
15 years 5 months ago
2007
Abstract XML databases, providing structural querying support, are becoming more and more popular. As we know, XML data may change over time and providing an efficient support to q...
115
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EMNLP
2009
15 years 1 months ago
2009
In this paper we investigate temporal patterns of web search queries. We carry out several evaluations to analyze the properties of temporal profiles of queries, revealing promisi...
250
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
In this paper, we present the ArchIS system that achieves full-functionality transaction-time databases without requiring temporal extensions in XML or database standards. ArchIS&...
214
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ICDE
2003
IEEE
16 years 5 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
249
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ICDE
2004
IEEE
16 years 5 months ago
2004
IEEE
Several spatio-temporal applications require the retrieval of summarized information about moving objects that lie in a query region during a query interval (e.g., the number of m...