EDBT
2008
ACM
14 years 7 months ago
2008
ACM
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Data replication is a central technique to increase availability and performance of distributed systems. While offering many advantages it also requires more effort for ensuring d...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
In this paper, we propose a bitmap approach for efficient subspace skyline computation in a distributed setting. Our approach computes extended skylines which have been shown to i...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Semantic peer to peer (P2P) systems are fully decentralized overlay networks of people or machines (called peers) sharing and searching varied resources (documents, videos, photos...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
We introduce a fine grained access control mechanism for Peer-to-Peer collaborations. It is based on the local access control components of the participants. The peers export thei...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Ontology languages to represent ontologies exist in large numbers, and users who want to access or reuse ontologies can often be confronted with a language they do not know. Theref...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Ontologies are increasingly used to represent the intended real-world semantics of data and services in information systems. Unfortunately, different databases often do not relate ...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Abstract. Partial-match queries return data items that contain a subset of the query keywords and order the results based on the statistical properties of the matched keywords. The...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Given a set of N multi-dimensional points, we study the computation of -quantiles according to a ranking function F, which is provided by the user at runtime. Specifically, F compu...