Department of Computer Science
Universidad de Chile
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| "In their capacity as a tool, computers will be but a ripple on the surface of our culture. In their capacity as intellectual challenge, they are without precedent in the cultural history of mankind." E. W. Dijkstra, Turing Award Lecture, 1972. |
Data Exchange beyond Complete Data
Marcelo Arenas,
Jorge Pérez, and
Juan L. Reutter
To appear in Journal of the ACM
Preliminary version in 30th ACM Symposium on Principles of Database Systems (PODS), June 2011, Athens, Greece
Best Paper Award PODS 2011 (slides)
Towards General Representability in Knowledge Exchange
Marcelo Arenas,
Jorge Pérez, and
Emanuel Sallinger
7th Alberto Mendelzon Workshop on Foundations of Data Management, May 2013, Puebla, Mexico
Schema Mappings and Data Exchange for Graph Databases
Pablo Barceló
Jorge Pérez, and
Juan L. Reutter
16th International Conference on Database Theory (ICDT), March 2013, Genoa, Italy
(slides)
The Language of Plain SO-tgds:
Composition, Inversion and Structural Properties
Marcelo Arenas,
Jorge Pérez,
Juan L. Reutter, and
Cristian Riveros
Journal of Computer and System Sciences 79(6):763-784, 2013
Querying Semantic Web Data on the Web
Marcelo Arenas,
Claudio Gutierrez,
Daniel P. Miranker,
Jorge Pérez, and
Juan Sequeda
SIGMOD Record 41(4):6-17, 2012
Query Language based Inverses of Schema Mappings: Semantics, Computation, and Closure Properties
Marcelo Arenas,
Jorge Pérez,
Juan L. Reutter, and
Cristian Riveros
The VLDB Journal 21(6):823-842, 2012
Union and Intersection of Schema Mappings
Jorge Pérez,
Reinhard Pichler,
Emanuel Sallinger, and
Vadim Savenkov
6th Alberto Mendelzon Workshop on Foundations of Data Management, June 2012, Ouro Preto, Brazil
(slides)
Relative Expressiveness of Nested Regular Expressions
Pablo Barceló
Jorge Pérez, and
Juan L. Reutter
6th Alberto Mendelzon Workshop on Foundations of Data Management, June 2012, Ouro Preto, Brazil
Static Analysis and Optimization of Semantic Web Queries
Andrés Letelier,
Jorge Pérez,
Reinhard Pichler, and
Sebastian Skritek
31st ACM Symposium on Principles of Database Systems (PODS), May 2012, Scottsdale, Arizona, USA
(slides)
Counting beyond a Yottabyte, or how SPARQL 1.1
Property Paths will prevent adoption of the standard
Marcelo Arenas,
Sebastián Conca, and
Jorge Pérez
21st World Wide Web Conference (WWW), April 2012, Lyon, France
Best Paper Award WWW 2012 (slides)
Querying Semantic Web Data with SPARQL
Marcelo Arenas, and
Jorge Pérez
30th ACM Symposium on Principles of Database Systems (PODS), June 2011, Athens, Greece
Foundations of Semantic Web Databases
Claudio Gutierrez,
Carlos Hurtado,
Alberto O. Mendelzon, and
Jorge Pérez
Journal of Computer and System Sciences (JCSS), 77(3):520-541, 2011.
Foundations of Schema Mapping Management
Marcelo Arenas,
Jorge Pérez,
Juan L. Reutter, and
Cristian Riveros
29th ACM Symposium on Principles of Database Systems (PODS), June 2010, Indianapolis, Indiana, USA
(slides)
nSPARQL: A Navigational Language for RDF
Jorge Pérez,
Marcelo Arenas, and
Claudio Gutierrez
Journal of Web Semantics (JWS), 8(4):255-270, 2010
Preliminary version in 7th International Semantic Web Conference (ISWC),
October 2008, Karlsruhe, Germany
(slides)
Composition and Inversion of Schema Mappings
Marcelo Arenas,
Jorge Pérez,
Juan L. Reutter, and
Cristian Riveros
SIGMOD Record 38(3):17-28, 2009
Inverting Schema Mappings: Bridging the Gap between Theory and Practice
Marcelo Arenas,
Jorge Pérez,
Juan L. Reutter, and
Cristian Riveros
35th International Conference on Very Large Data Bases (VLDB), Lyon, France, 2009
(slides)
The Recovery of a Schema Mapping: Bringing Exchanged Data Back
(appendix)
Marcelo Arenas,
Jorge Pérez, and
Cristian Riveros
ACM Transactions on Database Systems (TODS) 34(4), Article No. 22, 2009 (Selected papers from PODS'08)
Preliminary version in 27th ACM Symposium on Principles of Database Systems (PODS), June 2008, Vancouver, Canada
(slides)
Simple and Efficient Minimal RDFS
Sergio Muñoz,
Jorge Pérez, and
Claudio Gutierrez
Journal of Web Semantics (JWS), 7(3):220-234, 2009
Preliminary version in 4th European Semantic Web Conference (ESWC), June 2007, Innsbruck, Austria
Best Paper Award ESWC 2007 (slides)
Semantics and Complexity of SPARQL
Jorge Pérez,
Marcelo Arenas, and
Claudio Gutierrez
ACM Transactions on Database Systems (TODS), 34(3), Article No. 16, 2009
Preliminary version in 5th International Semantic Web Conference (ISWC),
November 2006, Athens Georgia, USA
Best Paper Award ISWC 2006 (slides)
(Extended preliminary version with some unpublished results, available
in arXiv since May 2006)
Implementing Distributed Mutual Exclusion on
Multithreaded Environments: The Alien Threads Approach
Federico Meza,
Jorge Pérez, and
Yadran Eterovic
5th IEEE International
Symposium and School on Distributed Systems, January 2005,
Guadalajara, Mexico
SPAM: A SPARQL Analysis and Manipulation Tool
Andrés Letelier,
Jorge Pérez,
Reinhard Pichler, and
Sebastian Skritek
To appear in 38th International Conference on Very Large Data Bases (VLDB) -- System Demo, Istanbul, Turkey, August 2012
Semantic Web research inspired by W3C standards,
or the hell of the practice without theory
Jorge Pérez
Tutorial given at AMW 2012, Ouro Preto, Brazil, June 2012
Federation and Navigation in SPARQL 1.1
Marcelo Arenas, and
Jorge Pérez
Reasoning Web 2012 LNCS, vol. 7487, 2012, p. 78 - 111
(slides)
Schema Mapping Management in Data Exchange Systems
Jorge Pérez
Ph.D. Thesis, Escuela de Ingeniería, PUC - Chile, May 2011
Some Remarks on the Paper "semQA: SPARQL with Idempotent
Disjunction"
Marcelo Arenas,
Claudio Gutierrez, and
Jorge Pérez
IEEE Transactions on Knowledge and Data Engineering, 23(4): 638-639, 2011
On the Semantics of SPARQL
Marcelo Arenas,
Claudio Gutierrez, and
Jorge Pérez
Semantic Web Information Management: A Model Based Perspective
Roberto De Virgilio, Fausto Giunchiglia and Letizia Tanca, editors, Springer, 2010 (ISBN: 978-3-642-04328-4)
Foundations of RDF Databases
Marcelo Arenas,
Claudio Gutierrez, and
Jorge Pérez
Reasoning Web: Semantic Technologies for Information Systems
S. Tessaris, E. Franconi, Th. Eiter, C. Gutierrez, S. Handschuh, M.-C. Rousset, R.A.S Schmidt,
editors, Springer, 2009 (ISBN: 978-3-642-03753-5)
An extension of SPARQL for RDFS
Marcelo Arenas,
Claudio Gutierrez, and
Jorge Pérez
Joint Workshop on Semantic Web, Ontologies, and Databases
SWBD-ODBIS 2007. LNCS, vol. 5005, 2007, p. 1 - 20
SPARQL - Where are we? Current state, theory and practice
Tutorial given at ESWC 2007, Innsbruck, Austria, June 2007
(with M. Arenas, C. Gutierrez, B. Parsia, A. Polleres, and A. Seaborne)
Unit-2: SPARQL Formalization,
Unit-4: RDF and SPARQL: Database Foundations
Semantics of SPARQL
Jorge Pérez,
Marcelo Arenas, and
Claudio Gutierrez
Technical Report, Universidad de Chile TR/DCC-2006-17, October 2006
Manejo de Metadatos en Sistemas de Intercambio de Información
Jorge Pérez.
Bits de Ciencia, Departamento de Ciencia de la Computación, Universidad de Chile,
Número 4, p. 49-53, 2010
Semantics and Complexity of SPARQL
Jorge Pérez
Invited talk to International Conference of Chilean Computer Science Society (SCCC), Santiago, Chile, November 2009
Khipu: Centro para la Investigación de Bases de Datos
Marcelo Arenas and
Jorge Pérez.
Bits de Ciencia, Departamento de Ciencia de la Computación, Universidad de Chile, Número 2, p. 40-42, 2009
Propiedades de Clausura para Operadores de Mapeos
Jorge Pérez,
Marcelo Arenas, and
Cristian Riveros
Encuentro de Tesistas, Jornadas Chilenas de Computación,
Punta Arenas 2008
(slides)
Un Nuevo Algoritmo Distribuido de Exclusión
Mutua que Minimiza el Intercambio de Mensajes
Jorge Pérez and Christian F. Orellana
Rev. Fac. Ing. -- Univ. Tarapacá,
abr. 2005, vol. 13, no. 1, p. 89-98
También presentado en el VIII Workshop en Sistemas Distribuidos y Paralelismo, Jornadas Chilenas de Computación, Arica 2004.
(slides)
Protocolos Especulativos de Memoria: Hacia una
Eficiente Implementación en Software
Jorge Pérez y Jaime Vazques
VII Workshop en Sistemas Distribuidos y
Paralelismo, Jornadas Chilenas de Computación, Chillán 2003