19985 search results - page 426 / 3997 » Modelling Ecological Data |
184
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ICDM
2002
IEEE
15 years 11 months ago
2002
IEEE
In this paper, we study an online data mining problem from streams of semi-structured data such as XML data. Modeling semi-structured data and patterns as labeled ordered trees, w...
328
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
XML is here as the internet standard for information exchange among e-businesses and applications. With its dramatic adoption and its ability to model structured, unstructured and...
265
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ICDE
1998
IEEE
16 years 8 months ago
1998
IEEE
Semistructured data may be irregular and incomplete and does not necessarily conform to a fixed schema. As with structured data, it is often desirable to maintain a history of cha...
198
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DOLAP
1998
ACM
15 years 11 months ago
1998
ACM
Though designing a data warehouse requires techniques completely different from those adopted for operational systems, no significant effort has been made so far to develop a comp...
208
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ER
1998
Springer
15 years 11 months ago
1998
Springer
Data warehouses are complex systems that have to deliver highly-aggregated, high quality data from heterogeneous sources to decision makers. Due to the dynamic change in the requir...