21993 search results - page 348 / 4399 » Evolution of Data Models |
155
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ICSE
2007
IEEE-ACM
16 years 4 months ago
2007
IEEE-ACM
Many end user programming tools such as spreadsheets and databases offer poor support for representing a level of abstraction that is intuitive to users. For example, users must w...
131
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VLDB
1994
ACM
15 years 9 months ago
1994
ACM
As video data is penetrating many information systems the need for database support for video data evolves. In this paper we present a generic data model that captures the structu...
139
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CORR
2008
Springer
15 years 4 months ago
2008
Springer
The data model of an application, the nature and format of data stored across executions, is typically a very rigid part of its early specication, even when prototyping, and chang...
159
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EWSN
2008
Springer
16 years 4 months ago
2008
Springer
Abstract. We address the problem of designing practical, energy-efficient protocols for data collection in wireless sensor networks using predictive modeling. Prior work has sugges...
124
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SAC
2006
ACM
15 years 10 months ago
2006
ACM
In the paper we describe the problem of grouping and aggregation in the concept-oriented data model. The model is based on ordering its elements within a hierarchical multidimensi...