SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
XML is rapidly emerging as the new standard for data representation and exchange on the Web. An XML document can be accompanied by a Document Type Descriptor (DTD) which plays the...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
We present WSQ/DSQ (pronounced “wisk-disk”), a new approach for combining the query facilities of traditional databases with existing search engines on the Web. WSQ, for Web-S...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
We discovered a surprising law governing the spatial join selectivity across two sets of points. An example of such a spatial join is "find the libraries that are within 10 m...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
This paper addresses the problem of finding the K closest pairs between two spatial data sets, where each set is stored in a structure belonging in the R-tree family. Five diffe...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
Many web documents (such as JAVA FAQs) are being replicated on the Internet. Often entire document collections (such as hyperlinked Linux manuals) are being replicated many times....
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
In this paper we study how to refresh a local copy of an autonomous data source to maintain the copy up-to-date. As the size of the data grows, it becomes more difficult to mainta...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an ac...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
For many KDD applications, such as detecting criminal activities in E-commerce, finding the rare instances or the outliers, can be more interesting than finding the common pattern...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
Microsoft® TerraServer stores aerial, satellite, and topographic images of the earth in a SQL database available via the Internet. It is the world’s largest online atlas, combi...