Lucian Popa  Lucian Popa photo       

contact information

Research Staff Member - Information Integration Research (Midas, HIL)
IBM Research - Almaden, San Jose, CA, USA
  +1dash408dash927dash1914

links

Professional Associations

Professional Associations:  ACM SIGMOD


2016

Towards High-Precision and Reusable Entity Resolution Algorithms over Sparse Financial Datasets
Burdick, Douglas and Popa, Lucian and Krishnamurthy, Rajasekar
Proceedings of the Second International Workshop on Data Science for Macro-Modeling, pp. 18, 2016
Abstract


2015

A declarative framework for linking entities
Burdick, Douglas and Fagin, Ronald and Kolaitis, Phokion G and Popa, Lucian and Tan, Wang-Chiew
LIPIcs-Leibniz International Proceedings in Informatics, 2015
Abstract

Extracting, linking and integrating data from public sources: A financial case study
Burdick, Douglas and Das, Sanjiv Ranjan and Hernandez, Mauricio and Ho, Howard and Koutrika, Georgia and Krishnamurthy, Rajasekar and Popa, Lucian Constantin and Stanoi, Ioana and Vaithyanathan, Shivakumar
Available at SSRN, 2015
Abstract


2014

Financial Analytics from Public Data
Burdick, Doug and Evfimievski, Alexandre and Krishnamurthy, Rajasekar and Lewis, Neal and Popa, Lucian and Rickards, Scott and Williams, Peter
Proceedings of the International Workshop on Data Science for Macro-Modeling, pp. 1--6, 2014
Abstract

Data Science Challenges in Real Estate Asset and Capital Markets
Burdick, Douglas and Franklin, Michael and Issler, Paulo and Krishnamurthy, Rajasekar and Popa, Lucian and Raschid, Louiqa and Stanton, Richard and Wallace, Nancy
Proceedings of the International Workshop on Data Science for Macro-Modeling, pp. 1--5, 2014
Abstract


2013

High-level rules for integration and analysis of data: New challenges
Alexe, Bogdan and Burdick, Douglas and Hern{'a}ndez, Mauricio A and Koutrika, Georgia and Krishnamurthy, Rajasekar and Popa, Lucian and Stanoi, Ioana R and Wisnesky, Ryan
In Search of Elegance in the Theory and Practice of Computation, pp. 36--55, Springer, 2013
Abstract

HIL: a high-level scripting language for entity integration
Hern{'a}ndez, Mauricio and Koutrika, Georgia and Krishnamurthy, Rajasekar and Popa, Lucian and Wisnesky, Ryan
Proceedings of the 16th International Conference on Extending Database Technology, pp. 549--560, 2013
Abstract


2012

MapMerge: correlating independent schema mappings
Alexe, Bogdan and Hern{'a}ndez, Mauricio and Popa, Lucian and Tan, Wang-Chiew
The VLDB Journal 21(2), 191--211, Springer, 2012
Abstract


2011

Schema mapping evolution through composition and inversion
Fagin, Ronald and Kolaitis, Phokion G and Popa, Lucian and Tan, Wang-Chiew
Schema Matching and Mapping, pp. 191--222, Springer, 2011
Abstract


2009

Reverse data exchange: coping with nulls
R Fagin, P G Kolaitis, L Popa, W C Tan
Proceedings of the twenty-eighth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems, pp. 23--32, 2009

Top-k generation of integrated schemas based on directed and weighted correspondences
A Radwan, L Popa, I R Stanoi, A Younis
Proceedings of the 35th SIGMOD international conference on Management of data, pp. 641--654, 2009

Clio: Schema mapping creation and data exchange
R Fagin, L Haas, M Hern{'a}ndez, R Miller, L Popa, Y Velegrakis
Conceptual Modeling: Foundations and Applications, pp. 198--236, Springer, 2009


2008


Towards a theory of schema-mapping optimization
R Fagin, P G Kolaitis, A Nash, L Popa
Proceedings of the twenty-seventh ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems, pp. 33--42, 2008

Quasi-inverses of schema mappings
R Fagin, P G Kolaitis, L Popa, W C Tan
ACM Transactions on Database Systems (TODS) 33(2), 11, ACM, 2008
US Patent App. 11/970,057


2007

BioFederator: A Data Federation System for Bioinformatics on the Web
A Radwan, A Younis, MA Hern{'a}ndez, H Ho, L Popa, S Shivaji, S Khuri
IIWeb Workshop, pp. 92--97, 2007

Mapping-driven XML transformation
H Jiang, H Ho, L Popa, W S Han
Proceedings of the 16th international conference on World Wide Web, pp. 1072, 2007

Creating nested mappings with Clio
MA Hernandez, H Ho, L Popa, T Fukuda, A Fuxman, RJ Miller, P Papotti
IEEE 23rd International Conference on Data Engineering, 2007, pp. 1487--1488

Semi-Automatic Schema Integration in Clio
L. Chiticariu, M. A. Hern\'andez, P. G. Kolaitis, L. Popa
SIGMOD (Demonstration), pp. 1326--1329, 2007


2006

Query reformulation with constraints
A Deutsch, L Popa, V Tannen
ACM SIGMOD Record 35(1), 73, ACM, 2006

XML mapping technology: Making connections in an XML-centric world
M Roth, M A Hern{'a}ndez, P Coulthard, L Yan, L Popa, HCT Ho, CC Salter
IBM Systems Journal 45(2), 389--409, Citeseer, 2006

Nested mappings: schema mapping reloaded
A Fuxman, M A Hernandez, H Ho, R J Miller, P Papotti, L Popa
Proceedings of the 32nd international conference on Very large data bases, pp. 78, 2006


2005

Clio: a schema mapping tool for information integration
M Hernandez, H Ho, F Naumann, L Popa
Parallel Architectures, Algorithms and Networks, 2005, pp. 1

Composing schema mappings: Second-order dependencies to the rescue
R Fagin, P G Kolaitis, L Popa, W C Tan
Proceedings of the twenty-third ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems, pp. 994--1055, ACM, 2005

Semantic adaptation of schema mappings when schemas evolve
C Yu, L Popa
Proceedings of the 31st international conference on Very large data bases, pp. 1017, 2005

Data exchange: semantics and query answering
R Fagin, P G Kolaitis, R J Miller, L Popa
Proceedings of ICDT, pp. 89--124, Elsevier, 2005

Clio grows up: from research prototype to industrial tool
L M Haas, M A Hern{'a}ndez, H Ho, L Popa, M Roth
Proceedings of the 2005 ACM SIGMOD international conference on Management of data, pp. 805--810


2004

Constraint-based XML query rewriting for data integration
C Yu, L Popa
Proceedings of the 2004 ACM SIGMOD international conference on Management of data, pp. 371--382

Tomas: a system for adapting mappings while schemas evolve
Y Velegrakis, R J Miller, L Popa, J Mylopoulos
Proceedings of the Twentieth International Conference on Data Engineering, 2004

Preserving mapping consistency under schema changes
Y Velegrakis, R J Miller, L Popa
The VLDB Journal 13(3), 274--293, Springer, 2004


2003

Mapping adaptation under evolving schemas
Y Velegrakis, R J Miller, L Popa
Proceedings of the 29th international conference on Very large data bases-Volume 29, pp. 595, 2003

Data exchange: getting to the core
R Fagin, P G Kolaitis, L Popa
Proceedings of the twenty-second ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems, pp. 90--101, ACM, 2003


2002

Schema management
P Andritsos, R Fagin, A Fuxman, L M Haas, M A Hernandez, C T H Ho, A Kementsietsidis, R J Miller, F Naumann, L Popa, others
IEEE Data Engineering Bulletin 25(3), 32--38, Citeseer, 2002

Mapping XML and relational schemas with Clio
L Popa, M A Hernandez, Y Velegrakis, R J Miller, F Naumann, H Ho
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON DATA ENGINEERING, pp. 498--499, 2002

Translating web data
L Popa, Y Velegrakis, M A Hern{'a}ndez, R J Miller, R Fagin
Proceedings of the 28th international conference on Very Large Data Bases, pp. 598--609, 2002


2001

The Clio project: managing heterogeneity
R J Miller, M A Hernandez, L M Haas, L Yan, CT Howard Ho, R Fagin, L Popa
ACM Sigmod Record 30(1), 78--83, ACM, 2001


2000


A chase too far?
L Popa, A Deutsch, A Sahuguet, V Tannen
ACM SIGMOD Record 29(2), 284, ACM, 2000


1999

Physical data independence, constraints and optimization with universal plans
A Deutsch, L Popa, V Tannen
Proceedings of the 25th International Conference on Very Large Data Bases, pp. 459--470, 1999

An equational chase for path-conjunctive queries, constraints, and views
L Popa, V Tannen
Lecture notes in computer science, 39--57, Springer, 1999


1998

A structure-based approach to querying semi-structured data
M Fernandez, L Popa, D Suciu
Lecture notes in computer science, 136--159, Springer, 1998


1997

Querying an object-oriented database using CPL
S B Davidson, C Hara, L Popa
Proceedings of the Brazilian Symposium on Databases, 1997




Projects and Groups