2867 search results - page 304 / 574 » Effectiveness of Index Expressions |
314
click to vote
VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
279
click to vote
SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
We present a novel design and implementation of relational join algorithms for new-generation graphics processing units (GPUs). The most recent GPU features include support for wr...
183
Voted
SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
We present several methods for mining knowledge from the query logs of the MSN search engine. Using the query logs, we build a time series for each query word or phrase (e.g., `Th...
178
click to vote
SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
Applications like multimedia retrieval require efficient support for similarity search on large data collections. Yet, nearest neighbor search is a difficult problem in high dimen...
173
click to vote
PODS
2006
ACM
16 years 6 months ago
2006
ACM
B-trees are the data structure of choice for maintaining searchable data on disk. However, B-trees perform suboptimally ? when keys are long or of variable length, ? when keys are...