3241 search results - page 177 / 649 » Searching for Hidden-Web Databases |
117
Voted
ISAAC
2009
Springer
15 years 9 months ago
2009
Springer
Many database systems that use a B+ tree as the underlying data structure do not do rebalancing on deletion. This means that a bad sequence of deletions can create a very unbalance...
122
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SIGMOD
2005
ACM
15 years 8 months ago
2005
ACM
An important consideration in similarity-based retrieval of moving object trajectories is the definition of a distance function. The existing distance functions are usually sensi...
131
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DASFAA
2010
IEEE
15 years 8 months ago
2010
IEEE
In social tagging sites, users are provided easy ways to create social networks, to post and share items like bookmarks, videos, photos and articles, along with comments and tags. ...
147
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DEXAW
1999
IEEE
15 years 7 months ago
1999
IEEE
This paper presents two metrics for the Nearest Neighbor Classifier that share the property of being adapted, i.e. learned, on a set of data. Both metrics can be used for similari...
117
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SIGMOD
1997
ACM
15 years 7 months ago
1997
ACM
This paper presents general algorithms for concurrency control in tree-based access methods as well as a recovery protocol and a mechanism for ensuring repeatable read. The algori...