2571 search results - page 514 / 515 » Window-Based Method for Information Retrieval |
WWW
2011
ACM
13 years 3 months ago
2011
ACM
The ability to aggregate huge volumes of queries over a large population of users allows search engines to build precise models for a variety of query-assistance features such as ...
SIGMOD
2010
ACM
13 years 3 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
MOBISYS
2011
ACM
12 years 11 months ago
2011
ACM
We introduce a new technique for determining a mobile phone’s indoor location even when Wi-Fi infrastructure is unavailable or sparse. Our technique is based on a new ambient so...
SDM
2011
SIAM
12 years 11 months ago
2011
SIAM
Latent semantic analysis (LSA), as one of the most popular unsupervised dimension reduction tools, has a wide range of applications in text mining and information retrieval. The k...
WWW
2003
ACM
14 years 9 months ago
2003
ACM
RDF-based P2P networks have a number of advantages compared with simpler P2P networks such as Napster, Gnutella or with approaches based on distributed indices such as CAN and CHO...