Abstract. Although XML is the dominant standard for publishing and exchanging data for Internet-based business applications, data is typically stored in relational or object-relati...
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
Wangchao Le, Songyun Duan, Anastasios Kementsietsi...
We address the problem of querying XML data over a P2P network. In P2P networks, the allowed kinds of queries are usually exact-match queries over file names. We discuss the exte...
Keyword search is an effective approach for most users to search for information because they do not need to learn complex query languages or the underlying structures of the data....