11219 search results - page 359 / 2244 » Retroactive data structures |
216
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AGIS
1998
15 years 6 months ago
1998
With the development of modern cities, 3-D spatial information systems (SIS) are increasingly required for spatial planning, communication systems and other applications. The geom...
173
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VLDB
2007
ACM
16 years 26 days ago
2007
ACM
GridVine is a Peer Data Management System based on a decentralized access structure. Built following the principle of data independence, it separates a logical layer – where dat...
186
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CAISE
2003
Springer
15 years 12 months ago
2003
Springer
Data Warehouse logical design involves the definition of structures that enable an efficient access to information. The designer builds relational or multidimensional structures ta...
396
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KDID
2004
15 years 8 months ago
2004
Abstract. Database systems are islands of structure in a sea of unstructured data sources. Several real-world applications now need to create bridges for smooth integration of semi...
263
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
We consider the problem of maintaining frequency counts for items occurring frequently in the union of multiple distributed data streams. Na?ive methods of combining approximate f...