Abstract The realization of Semantic Web reasoning is central to substantiating the Semantic
Web vision. However, current mainstream research on this topic faces serious challenges …

Web search is a key technology of the Web, since it is the primary way to access content on
the Web. Current standard Web search is essentially based on a combination of textual …

Many experts predict that the next huge step forward in Web information technology will be
achieved by adding semantics to Web data, and will possibly consist of (some form of) the …

We address the issue of incorporating a particular yet expressive form of integrity constraints
(namely, denial constraints) into probabilistic databases. To this aim, we move away from …

With the introduction of the Semantic Web as a future substitute of the Web, the key task for
the Web, namely, Web Search, is evolving towards some novel form of Semantic Web …

Semantic Web search is currently one of the hottest research topics in both Web search and
the Semantic Web. In previous work, we have presented a novel approach to Semantic Web …

Human access to the increasing amount of information and data plays an essential role for
the professional level and also for everyday life. While information visualization has …

Extensive research activities are recently directed towards the Semantic Web as a future
form of the Web. Consequently, Web search as the key technology of the Web is evolving …

Keyword search suffers from a number of issues: ambiguity, synonymy, and an inability to
handle semantic constraints. Semantic search helps resolve these issues but is limited by …

To perform matchmaking in Web-based scenarios where data are often incomplete, we
propose an extended conjunctive query answering (CQA) problem, called abductive CQA …