467 search results - page 46 / 94 » Processing top k queries from samples |
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Determining the user intent of Web searches is a difficult problem due to the sparse data available concerning the searcher. In this paper, we examine a method to determine the us...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
WWW
2009
ACM
14 years 9 months ago
2009
ACM
In this paper we consider the problem of re-ranking search results by incorporating user feedback. We present a graph theoretic measure for discriminating irrelevant results from ...
SSD
2009
Springer
14 years 3 months ago
2009
Springer
The range nearest-neighbor (NN) query is an important query type in location-based services, as it can be applied to the case that an NN query has a spatial region, instead of a lo...
SGP
2007
13 years 11 months ago
2007
We present a streaming algorithm for reconstructing closed surfaces from large non-uniform point sets based on a geometric convection technique. Assuming that the sample points ar...