324 search results - page 61 / 65 » Application of bitmap index to information retrieval |
SIGMOD
2010
ACM
13 years 2 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...
WWW
2005
ACM
14 years 8 months ago
2005
ACM
It has been a few years since the semantic Web was initiated by W3C, but its status has not been quantitatively measured. It is crucial to understand the status at this early stag...
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
Databases of text and text-annotated data constitute a significant fraction of the information available in electronic form. Searching and browsing are the typical ways that users...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
With an explosive growth of blogs, information seeking in blogosphere becomes more and more challenging. One example task is to find the most relevant topical blogs against a give...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Counting in general, and estimating the cardinality of (multi-) sets in particular, is highly desirable for a large variety of applications, representing a foundational block for ...