IDEAS
2007
IEEE
14 years 2 months ago
2007
IEEE
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
IDEAS
2007
IEEE
14 years 2 months ago
2007
IEEE
The transversal hypergraph enumeration based algorithms can be efficient in mining frequent itemsets, however it is difficult to apply them to sequence mining problems. In this ...
IDEAS
2007
IEEE
14 years 2 months ago
2007
IEEE
A foreign superkey in relational database theory is a set of attributes referring to a superkey of some relation variable. In this paper, the notion of constant references is intr...
IDEAS
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper we study the problem of deciding whether a regular path query over views in data-integration systems can be re-expressed without recursion. The problem becomes chall...
IDEAS
2007
IEEE
14 years 2 months ago
2007
IEEE
There is an increasing need for an XML query engine that not only searches for exact matches to a query but also returns “query-like” structures. We have designed and develope...
IDEAS
2007
IEEE
14 years 2 months ago
2007
IEEE
Many recent applications deal with data streams, conceptually endless sequences of data records, often arriving at high flow rates. Standard data-mining techniques typically assu...
IDEAS
2007
IEEE
14 years 2 months ago
2007
IEEE
A sliding window join (SWJoin) is becoming an integral operation in every stream data management system. In some streaming applications the increasing volume of streamed data as w...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Microaggregation is a technique used to protect privacy in databases and location-based services. We propose a new hybrid technique for multivariate microaggregation. Our techniqu...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper, we propose to deploy type-theoretic techniques to the service description and composition verification. We define a flexible type system for modeling instances a...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Moving objects are becoming increasingly attractive to the data mining community due to continuous advances in technologies like GPS, mobile computers, and wireless communication ...