931 search results - page 51 / 187 » Storage and Querying of E-Commerce Data |
SIGIR
2002
ACM
13 years 8 months ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
SIGMOD
1999
ACM
14 years 1 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
CCS
2010
ACM
14 years 1 months ago
2010
ACM
Data outsourcing is an emerging paradigm that allows users and companies to give their (potentially sensitive) data to external servers that then become responsible for their stor...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
In contrast to classical databases and IR systems, real-world information systems have to deal increasingly with very vague and diverse structures for information management and s...
ICICS
2007
Springer
14 years 1 months ago
2007
Springer
Authentication is increasingly relevant to data management. Data is being outsourced to untrusted servers and clients want to securely update and query their data. For example, in ...