Sciweavers

1914 search results - page 378 / 383
» Web Data Management Practices - Emerging Techniques and Tech...
Sort
View
ICDE
1998
IEEE
108views Database» more  ICDE 1998»
14 years 9 months ago
Efficient Discovery of Functional and Approximate Dependencies Using Partitions
Discovery of functionaldependencies from relations has been identified as an important database analysis technique. In this paper, we present a new approach for finding functional...
Ykä Huhtala, Juha Kärkkäinen, Pasi ...
EDBT
2010
ACM
206views Database» more  EDBT 2010»
14 years 2 months ago
Efficient computation of trade-off skylines
When selecting alternatives from large amounts of data, trade-offs play a vital role in everyday decision making. In databases this is primarily reflected by the top-k retrieval p...
Christoph Lofi, Ulrich Güntzer, Wolf-Tilo Bal...
VLDB
2004
ACM
118views Database» more  VLDB 2004»
14 years 28 days ago
On the performance of bitmap indices for high cardinality attributes
It is well established that bitmap indices are efficient for read-only attributes with low attribute cardinalities. For an attribute with a high cardinality, the size of the bitma...
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
JAIR
2007
87views more  JAIR 2007»
13 years 7 months ago
Supporting Temporal Reasoning by Mapping Calendar Expressions to Minimal Periodic Sets
In the recent years several research efforts have focused on the concept of time granularity and its applications. A first stream of research investigated the mathematical model...
Claudio Bettini, Sergio Mascetti, Xiaoyang Sean Wa...
TWC
2008
154views more  TWC 2008»
13 years 7 months ago
TUA: A Novel Compromise-Resilient Authentication Architecture for Wireless Mesh Networks
User authentication is essential in service-oriented communication networks to identify and reject any unauthorized network access. The state-of-the-art practice in securing wirele...
Xiaodong Lin, Rongxing Lu, Pin-Han Ho, Xuemin Shen...