Falcons Explorer: Tabular and Relational

End-user Programming for the Web of Data

Gong Cheng, Huiyao Wu, Saisai Gong, Weiyi Ge, Yuzhong Qu

Websoft Research Group, Nanjing University

Institute of Web Science, Southeast University

Gong Cheng (程龚) gcheng@seu.edu.cn

http://upload.wikimedia.org/wikipedia/commons/5/58/Rdf_graph_for_Eric_Miller.png

How many Web users inside this auditorium

know how to play with RDF data?

80%

90%100%

Gong Cheng (程龚) gcheng@seu.edu.cn

How many Web users outside this auditorium

know how to play with RDF data?

20%

10%5%

Gong Cheng (程龚) gcheng@seu.edu.cn

But…

60% of end-user workers use

spreadsheets or databases

30% use conditional statements

(if-else) or formulas

Gong Cheng (程龚) gcheng@seu.edu.cn

Spreadsheet & Relational DB

http://www.mysql.com/common/logos/logo-mysql-110x57.png

http://www.oracleimg.com/admin/images/ocom/hp/oralogo_small.gif

http://why.openoffice.org/images/calc-big.png

Gong Cheng (程龚) gcheng@seu.edu.cn

Playing with RDF data

Just As

Playing with spreadsheet or relational DB

Gong Cheng (程龚) gcheng@seu.edu.cn

A tabular and relational interface for exploring RDF data

Browsing

Searching

Querying

http://ws.nju.edu.cn/explorer

Falcons Explorer is …

End-user programming

Gong Cheng (程龚) gcheng@seu.edu.cn

APISPARQL Endpoint

Gong Cheng (程龚) gcheng@seu.edu.cn

Playing with RDF data

Just As

Playing with spreadsheet or relational DB