Section: New Results

Exploratory Querying of Semantic Graphs

We have started work with an intern (Zheng Zhang) toward automatically exploring the structure of an RDF graph and visualizing it with the help of a D3.js (https://d3js.org/) visualization library. These initial steps should serve to guide the beginning of an interactive exploration of the RDF graph in order to identify interesting analytical queries to be asked and evaluated. This work continues.

Separately, with a different intern (Javier Letelier), we have investigated efficient algorithms for keyword search in an RDF graph, exploiting structural and semantic knowledge about the graph; such knowledge is organized as an RDF summary which is an RDF graph itself. The algorithm was implemented and integrated as a text search tool within the Tatooine prototype; the work is ongoing.