Materialized view selection is a critical problem in many applications such as query
processing, data warehousing, distributed and semantic web databases, etc. We refer to the …

Schema matching is the problem of identifying corresponding elements in different schemas.
Discovering these correspondences or matches is inherently difficult to automate. Past …

Peer-to-Peer (P2P) networks enable users to directly share digital content (such as audio,
video, and text files) as well as real-time data (such as telephony traffic) with other users …

We present the design and evaluation of PeerDB, a peer-to-peer (P2P) distributed data
sharing system. PeerDB distinguishes itself from existing P2P systems in several ways. First …

Intuitively, data management and data integration tools should be well-suited for exchanging
information in a semantically meaningful way. Unfortunately, they suffer from two significant …

Intuitively, data management and data integration tools are well-suited for exchanging
information in a semantically meaningful way. Unfortunately, they suffer from two significant …

Publisher Summary Semantic mappings between data sources play a key role in several
data sharing architectures. Mappings provide the relationships between data stored in …

Peer-to-peer (P2P) technology, or peer computing, is a paradigm that is viewed as a
potential technology for redesigning distributed architectures and, consequently, distributed …

The advent of XML as a universal exchange format, and of Web services as a basis for
distributed computing, has fostered the apparition of a new class of documents: dynamic …

Webcams, microphones, pressure gauges and other sensors provide exciting new
opportunities for querying and monitoring the physical world. In this paper we focus on …