IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
The resource requirements of frequent pattern mining algorithms depend mainly on the length distribution of the mined patterns in the database. Synthetic databases, which are used...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
Our goal is to support transaction-time functionality that enables the coexistence of ordinary, non-temporal tables with transaction-time tables. In such a system, each transactio...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
Enterprise applications need to be highly available and scalable. In the past, this has required “stateless” applications, which essentially require the application to manage ...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
On first glance agent technology seems more like a hostile intruder into the database world. On the other hand, the two could easily complement each other, since agents carry out ...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
We introduce and study a new class of queries that we refer to as ACMA (arithmetic constraints on multiple attributes) queries. Such combinatorial queries require the simultaneous...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
Laboratory information systems (LIMS) are used in life science research to manage complex experiments. Since LIMS systems are often shared by different research groups, powerful a...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
In this paper, we address the problem of incrementally maintaining a histogram in response to a non-stationary update process. In relational database systems, this problem can occ...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
— XPath is a common language for selecting nodes in an XML document. XPath uses so called path expressions which describe a navigation path through semistructured data. In the la...