SAC
2006
ACM
13 years 10 months ago
2006
ACM
Modern database applications like geographic information systems, multimedia databases, and digital libraries dealing with huge volumes of high dimensional data, make use of multi...
CIKM
2009
Springer
13 years 11 months ago
2009
Springer
We study the problem of creating highly compressed fulltext index structures for versioned document collections, that is, collections that contain multiple versions of each docume...
EDBT
2004
ACM
14 years 4 months ago
2004
ACM
In this paper we present HOPI, a new connection index for XML documents based on the concept of the 2?hop cover of a directed graph introduced by Cohen et al. In contrast to most o...
SIGMOD
2005
ACM
14 years 4 months ago
2005
ACM
Information filtering has become a key technology for modern information systems. The goal of an information filter is to route messages to the right recipients (possibly none) ac...
VLDB
2003
ACM
14 years 4 months ago
2003
ACM
The efficient retrieval of data items on set-valued attributes is an important research topic that has attracted little attention so far. We studied and modified four index structu...
ICDE
2005
IEEE
14 years 5 months ago
2005
IEEE
Index structures are designed to optimize search performance, while at the same time supporting efficient data updates. Although not explicit, existing index structures are typica...
ICDE
2007
IEEE
14 years 5 months ago
2007
IEEE
Uncertainty in categorical data is commonplace in many applications, including data cleaning, database integration, and biological annotation. In such domains, the correct value o...