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Displaying 1-12 out of 12 total
Search Computing: Managing Complex Search Queries
Found in: IEEE Internet Computing
By Stefano Ceri, Adnan Abid, Mamoun Abu Helou, Davide Barbieri, Alessandro Bozzon, Daniele Braga, Marco Brambilla, Alessandro Campi, Francesco Corcoglioniti, Emanuele Della Valle, Davide Eynard, Piero Fraternali, Michael Grossniklaus, Davide Martinenghi, Stef
Issue Date:November 2010
pp. 14-22
Search computing focuses on building answers to complex search queries (for example,
 
Deductive and Inductive Stream Reasoning for Semantic Social Media Analytics
Found in: IEEE Intelligent Systems
By Davide Barbieri,Daniele Braga,Stefano Ceri,Emanuele Della Valle,Yi Huang,Volker Tresp,Achim Rettinger,Hendrik Wermser
Issue Date:November 2010
pp. 32-41
A combined approach of deductive and inductive reasoning can leverage the clear separation between the evolving (streaming) and static parts of online knowledge at conceptual and technological levels.
 
Clip: a Visual Language for Explicit Schema Mappings
Found in: Data Engineering, International Conference on
By Alessandro Raffio, Daniele Braga, Stefano Ceri, Paolo Papotti, Mauricio A. Hernandez
Issue Date:April 2008
pp. 30-39
Many data integration solutions in the market today include tools for schema mapping, to help users visually relate elements of different schemas. Schema elements are connected with lines, which are interpreted as mappings, i.e. high-level logical expressi...
 
A Graphical Environment to Query XML Data with XQuery
Found in: Web Information Systems Engineering, International Conference on
By Daniele Braga, Alessandro Campi
Issue Date:December 2003
pp. 31
<p>XQuery, the standard query language for XML, is increasingly popular among computer scientists with a SQL background, since queries in XQuery and SQL require comparable skills to be formulated. However, the number of these experts is limited, and ...
 
A Tool for Extracting XML Association Rules
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Daniele Braga, Alessandro Campi, Stefano Ceri, Mika Klemettinen, Pier Luca Lanzi
Issue Date:November 2002
pp. 57
The recent success of XML as a standard to represent semi-structured data, and the increasing amount of available XML data, pose new challenges to the data mining community. In this paper we present the X MINE operator a tool we developed to extract XML as...
 
Active XQuery
Found in: Data Engineering, International Conference on
By Angela Bonifati, Daniele Braga, Alessandro Campi, Stefano Ceri
Issue Date:March 2002
pp. 0403
Besides being adopted as the new interchange format for the Internet, XML is finding increasing acceptance as a native data repository language. In order to make XML repositories fully equipped with data management capabilities, suitable query and update l...
 
Search computing: multi-domain search on ranked data
Found in: Proceedings of the 2011 international conference on Management of data (SIGMOD '11)
By Alessandro Bozzon, Daniele Braga, Francesco Corcoglioniti, Marco Brambilla, Piero Fraternali, Salvatore Vadacca, Stefano Ceri
Issue Date:June 2011
pp. 1267-1270
We demonstrate the Search Computing framework for multi-domain queries upon ranked data collected from Web sources. Search Computing answers to queries like "Find a good Jazz concert close to a specified location, a good restaurant and a hotel at walking d...
     
An execution environment for C-SPARQL queries
Found in: Proceedings of the 13th International Conference on Extending Database Technology (EDBT '10)
By Daniele Braga, Davide Francesco Barbieri, Michael Grossniklaus, Stefano Ceri
Issue Date:March 2010
pp. 441-452
Continuous SPARQL (C-SPARQL) is proposed as new language for continuous queries over streams of RDF data. It covers a gap in the Semantic Web abstractions which is needed for many emerging applications, including our focus on Urban Computing. In this domai...
     
C-SPARQL: SPARQL for continuous querying
Found in: Proceedings of the 18th international conference on World wide web (WWW '09)
By Daniele Braga, Davide Francesco Barbieri, Emanuele Della Valle, Michael Grossniklaus, Stefano Ceri
Issue Date:April 2009
pp. 66-66
C-SPARQL is an extension of SPARQL to support continuous queries, registered and continuously executed over RDF data streams, considering windows of such streams. Supporting streams in RDF format guarantees interoperability and opens up important applicati...
     
XQBE (XQuery By Example): A visual interface to the standard XML query language
Found in: ACM Transactions on Database Systems (TODS)
By Alessandro Campi, Daniele Braga, Stefano Ceri
Issue Date:June 2005
pp. 398-443
The spreading of XML data in many contexts of modern computing infrastructures and systems causes a pressing need for adequate XML querying capabilities; to address this need, the W3C is proposing XQuery as the standard query language for XML, with a langu...
     
XQBE: a visual environment for learning XML query languages
Found in: Proceedings of the 2005 ACM SIGMOD international conference on Management of data (SIGMOD '05)
By Alessandro Campi, Alessandro Raffio, Daniele Braga, Stefano Ceri
Issue Date:June 2005
pp. 903-905
XQBE (XQuery By Example) is a visual XML query language which, coherently with the hierarchical XML data model, uses tree-shaped structures to express queries and transformations over XML documents. These structures are annotated to express selection predi...
     
XSLT by example
Found in: Special interest tracks and posters of the 14th international conference on World Wide Web (WWW '05)
By Alessandro Campi, Damiano Salvi, Daniele Braga, Roberto Cappa
Issue Date:May 2005
pp. 1158-1159
XQBE (XQuery By Example, [1]), a visual dialect of XQuery, uses hierarchical structures to express transformations between XML documents. XSLT, the standard transformation language for XML, is increasingly popular among programmers and Web developers for s...
     
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