Valid time

Known as: Valid-time

In temporal databases, valid time (VT) is the time period during which a database fact is valid in the modeled reality. As of December 2011, ISO/IEC…

Papers overview

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2016

Although temporal XML data are being stored and manipulated by several XML-based applications in different domains (e.g., e…

2014

TUM CREATE's EVA is a fully electric, purpose built electric taxi. One main feature is the novel cabin air conditioning. In this…

2008

Data mining is an important technique in summarize and prediction in different industry. With the help of grid computer, the…

2007

In this paper, the authors derive a new sufficient and necessary condition for the high degree congruence x n a (mod p) to have…

2007

Many applications, in areas such as land use, traffic management and location aware services, involve the storage, analysis and…

2005

Data warehouses integrate information from several data sources. Their main goal is to offer an efficient access to data sets and…

1999

The development of the World Wide Web technology on the Internet is a major achievement of computer research in recent years. The…

1998

To support temporal operators and to increase the efficiency of temporal queries, indexing based on temporal attributes is…

1997

Although temporal databases have received considerable attention as a topic for research, little work in the area has paid…

1995