XML support is being added to existing database management systems (DBMSs) and native XML systems are being developed both in industry and in academia. The individual performance ...
Advanced e-services require efficient, flexible, and easy-to-use workflow technology that integrates well with mainstream Internet technologies like XML and Web servers. This pape...
Semistructured graph-based databases have been proposed as well-suited stores for World-Wide Web data. Yet so far, languages for querying such data are too complex for casual Web ...
Information foraging and sensemaking with heterogeneous information are context-dependent activities. Thus visual analytics tools to support these activities must incorporate cont...
We study complexity and approximation of queries in an expressive query language for probabilistic databases. The language studied supports the compositional use of confidence com...