ICDT
1997
ACM
14 years 3 months ago
1997
ACM
Abstract. The correctness of nested transactions for multidatabases differs from that of at transactions in that, for nested transactions the execution order of siblings at each re...
ICDT
1997
ACM
14 years 3 months ago
1997
ACM
ICDT
1997
ACM
14 years 3 months ago
1997
ACM
We develop a new schema for unstructured data. Traditional schemas resemble the type systems of programming languages. For unstructured data, however, the underlying type may be mu...
ICDT
1997
ACM
14 years 3 months ago
1997
ACM
A “scoring rule” is an assignment of a value to every tuple (of varying sizes). This paper is concerned with the issue of how to modify a scoring rule to apply to the case whe...
ICDT
1997
ACM
14 years 3 months ago
1997
ACM
ICDT
1997
ACM
14 years 3 months ago
1997
ACM
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...
ICDT
1997
ACM
14 years 3 months ago
1997
ACM
ICDT
1997
ACM
14 years 3 months ago
1997
ACM
Abstract. The goal of this paper is to study tractable iteration mechanisms for bags. The presence of duplicates in bags prevents iteration mechanisms developed in the context of s...
SSDBM
1996
IEEE
14 years 3 months ago
1996
IEEE
Knowledge discovery in databases and data mining aim at semiautomatic tools for the analysis of large data sets. We give an overview of the area and present someof the research is...
ER
1997
Springer
14 years 3 months ago
1997
Springer
Several decades of software engineering research confirm that effective reuse is the only realistic approach to meeting the ever-increasing demands on the software industry. Over ...