3652 search results - page 127 / 731 » A study of query length |
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
—Unstructured peer-to-peer networks have gained a lot of popularity due to their resilience to network dynamics. The core operation in such networks is to efficiently locate res...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
We investigate the subtle cues to user identity that may be exploited in attacks on the privacy of users in web search query logs. We study the application of simple classifiers ...
DEXA
2005
Springer
14 years 1 months ago
2005
Springer
Bitmap indices are efficient data structures for processing complex, multi-dimensional queries in data warehouse applications and scientific data analysis. For high-cardinality at...
ADC
2004
Springer
14 years 1 months ago
2004
Springer
Reflective Relational Machines were introduced by S. Abiteboul, C. Papadimitriou and V. Vianu in 1994, as variations of Turing machines which are suitable for the computation of ...