164 search results - page 25 / 33 » Reverse Top-k Queries |
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
A variety of web sites and web based services produce textual lists at varying time granularities ranked according to several criteria. For example, Google Trends produces lists o...
SIGMOD
2001
ACM
14 years 8 months ago
2001
ACM
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
Information retrieval is, in general, an iterative search process, in which the user often has several interactions with a retrieval system for an information need. The retrieval ...
TRECVID
2008
13 years 9 months ago
2008
This paper reports our experiments for TRECVID 2008 tasks: high level feature extraction, search and contentbased copy detection. For the high level feature extraction task, we use...
VLDB
1995
ACM
13 years 12 months ago
1995
ACM
Efficient processing of aggregation queries is essential for decision support applications. This paper describes a class of query transformations, called eager aggregation and lat...