Sciweavers

229 search results - page 17 / 46
» Materialized View Maintenance Using Version Numbers
Sort
View
SIGMOD
2001
ACM
108views Database» more  SIGMOD 2001»
14 years 10 months ago
PREFER: A System for the Efficient Execution of Multi-parametric Ranked Queries
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
Vagelis Hristidis, Nick Koudas, Yannis Papakonstan...
WWW
2010
ACM
14 years 4 months ago
Object views: fine-grained sharing in browsers
Browsers do not currently support the secure sharing of JavaScript objects between principals. We present this problem as the need for object views, which are consistent and contr...
Leo A. Meyerovich, Adrienne Porter Felt, Mark S. M...
ICALT
2007
IEEE
14 years 4 months ago
Towards a Canonical View of Peer Assessment
Peer Assessment (or Peer Review) is a popular form of reciprocal assessment where students produce feedback, or grades, for each others work. Peer Assessment activities can be ext...
David E. Millard, Karen Fill, Lester Gilbert, Yvon...
IDEAS
1999
IEEE
123views Database» more  IDEAS 1999»
14 years 2 months ago
Improving OLAP Performance by Multidimensional Hierarchical Clustering
Data-warehousing applications cope with enormous data sets in the range of Gigabytes and Terabytes. Queries usually either select a very small set of this data or perform aggregat...
Volker Markl, Frank Ramsak, Rudolf Bayer
VLDB
2002
ACM
129views Database» more  VLDB 2002»
13 years 9 months ago
Optimizing View Queries in ROLEX to Support Navigable Result Trees
An increasing number of applications use XML data published from relational databases. For speed and convenience, such applications routinely cache this XML data locally and acces...
Philip Bohannon, Sumit Ganguly, Henry F. Korth, P....