154 search results - page 12 / 31 » Unsupervised query segmentation using only query logs |
SIGMOD
2008
ACM
13 years 7 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
COMPGEOM
2009
ACM
14 years 2 months ago
2009
ACM
We present a data structure for ray shooting-and-insertion in the free space among disjoint polygonal obstacles with a total of n vertices in the plane, where each ray starts at t...
TCC
2009
Springer
14 years 8 months ago
2009
Springer
We consider the problem of memory checking, where a user wants to maintain a large database on a remote server but has only limited local storage. The user wants to use the small ...
EMNLP
2009
13 years 5 months ago
2009
In this paper we address the problem of identifying a broad range of term variations in Japanese web search queries, where these variations pose a particularly thorny problem due ...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
In this paper, an image retrieval methodology suited for search in large collections of heterogeneous images is presented. The proposed approach employs a fully unsupervised segme...