1487 search results - page 141 / 298 » Representing and Querying Data Transformations |
100
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EDBT
2008
ACM
16 years 1 months ago
2008
ACM
Sensor networks have been widely used to collect data about the environment. When analyzing data from these systems, people tend to ask exploratory questions--they want to find su...
125
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IJCAI
2003
15 years 3 months ago
2003
With the growing use of distributed information networks, there is an increasing need for algorithmic and system solutions for data-driven knowledge acquisition using distributed,...
116
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DEXA
2005
Springer
15 years 7 months ago
2005
Springer
Current proposals for XML change detection use structural constraints to detect the changes and they ignore semantic constraints. Consequently, they may produce semantically incorr...
126
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DEBU
2010
14 years 11 months ago
2010
Developing high-quality information extraction (IE) rules, or extractors, is an iterative and primarily manual process, extremely time consuming, and error prone. In each iteratio...
ER
2007
Springer
15 years 7 months ago
2007
Springer
In this paper we study the problem of schema exchange, a natural extension of the data exchange problem to an intensional level. To this end, we first introduce the notion of sche...