ΔΗΜΟΣΙΕΥΣΕΙΣΠαναγιώτης Λιάκος
2015
The existing practices of the urban section of freight transport chain result in traffic congestion, air pollution and resources being wasted. We focus on the final stage of freight distribution and…
Earth-Science data are composite, multidimensional and of significant size, and as such, continue to pose a number of on-going problems regarding their management. With new and diverse information…
2014
The ever growing amount of information collected by scientific instruments and the presence of descriptive metadata accompanying them calls for a unified way of querying over array and semi-…
We improve the state-of-the-art method for graph compression by exploiting the locality of reference observed in social network graphs. We take advantage of certain dense parts of those graphs,…
We improve the state-of-the-art method for the compression of web and other similar graphs by introducing an elegant technique which further exploits the clustering properties observed in these…
2012
A constantly growing amount of high-quality information is stored in pages coming from the Hidden Web. Such pages are accessible only through a query interface that a Hidden-Web site provides and…