We present GROM, a tool conceived to handle high-level schema mappings between semantic descriptions of a source and a target database. GROM rewrites mappings between the virtual,...
Knowledge bases that summarize web information in RDF triples deliver many benefits, including providing access to encyclopedic knowledge via SPARQL queries and end-user interfac...
Social content such as social network posts, tweets, news articles and more generally web page fragments is often structured. Such social content is also frequently enriched with a...
Graph mining is an important research area with a plethora of practical applications. Core decomposition in networks, is a fundamental operation strongly related to more complex m...
Fragkiskos D. Malliaros, Apostolos N. Papadopoulos...
Source selection deserves attention for live query processing over distributed, poorly controlled data sources since it is the key to produce the best available information, in te...