464 search results - page 17 / 93 » Querying Shapes of Histories |
SIGMOD
2009
ACM
14 years 10 months ago
2009
ACM
Schema evolution poses serious challenges in historical data management. Traditionally historical data have been archived either by (i) migrating them into the current schema vers...
PVLDB
2008
13 years 10 months ago
2008
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
Abstract. Partial-match queries return data items that contain a subset of the query keywords and order the results based on the statistical properties of the matched keywords. The...
SIGIR
2008
ACM
13 years 10 months ago
2008
ACM
In most previous work on personalized search algorithms, the results for all queries are personalized in the same manner. However, as we show in this paper, there is a lot of vari...
ICPR
2010
IEEE
14 years 24 days ago
2010
IEEE
In this paper, we propose a new object detection method that does not need a learning mechanism. Given a hand-drawn model as a query, we can detect and locate objects that are sim...