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...
Big data technology holds incredible promise of improving people’s lives, accelerating scientific discovery and innovation, and bringing about positive societal change. Yet, if...
Various biomedical research studies, such as large-population studies and studies on rare diseases, require sharing of data across multiple sources or institutions. In fact, data ...
Phase change memory (PCM) as a newly developed storage medium has many attractive properties such as non-volatility, byte addressability, high density and low energy consumption. ...
Next generation sequencing (NGS) and the recent development of efficient algorithms for genomic analysis are contributing to the understanding of human genetic variation and thus ...
In this paper we present our work in progress on revisiting traditional DBMS mechanisms to manage space on native Flash and how it is administered by the DBA. Our observations and...