Héctor J. Hernández

According to our database, Héctor J. Hernández authored at least 22 papers between 1987 and 2003.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2003

A Card-based Visual Query System for Geographical Information Systems.

Shiguang Ju, Weigang Guo, Héctor J. Hernández

Proceedings of the ScanGIS'2003 - The 9th Scandinavian Research Conference on Geographical Information Science, 4-6 June 2003, Espoo, Finland, 2003

A Security Access Control Mechanism for a Multi-layer Heterogeneous Storage Structure.

Shiguang Ju, Héctor J. Hernández, Lan Zhang

Proceedings of the Grid and Cooperative Computing, Second International Workshop, 2003

2002

A general procedure to check conjunctive query containment.

Miguel R. Penabad, Nieves R. Brisaboa, Héctor J. Hernández, José R. Paramá

Acta Informatica, 2002

2000

Un Procedimiento de Optimización Semántica de Programas Datalog.

José R. Paramá, Nieves R. Brisaboa, Miguel R. Penabad, Héctor J. Hernández

Proceedings of the V Jornadas Ingeniería de Software y Bases de Datos (JISBD 2000), 2000

1998

An Emblem Literature Database on Internet.

Nieves R. Brisaboa, Héctor J. Hernández, Eva Lorenzo Iglesias, Juan-Ramón López, José R. Paramá, Miguel R. Penabad

Proceedings of the Third International Conference on Integrated Design and Process Technology, IDPT, 1998

Chasing Programs in Datalog.

Nieves R. Brisaboa, Agustin González, Héctor J. Hernández, José R. Paramá

Proceedings of the 6th International Workshop on Deductive Databases and Logic Programming (DDLP'98). In Conjunction with JICSLP'98, 1998

The Chase of Datalog Programs.

Nieves R. Brisaboa, Agustin González, Héctor J. Hernández, José R. Paramá

Proceedings of the Advances in Databases, 16th British National Conferenc on Databases, 1998

Containment of Conjunctive Queries with Built-in Predicates with Variables and Constants over any Ordered Domain.

Nieves R. Brisaboa, Héctor J. Hernández, José R. Paramá, Miguel R. Penabad

Proceedings of the Advances in Databases and Information Systems, 1998

1997

Testing Bag-Containment of Conjunctive Queries.

Nieves R. Brisaboa, Héctor J. Hernández

Acta Informatica, 1997

1996

Contenimiento de Consultas Conjuntivas bajo la Semántica de Bolsas.

Nieves R. Brisaboa, Héctor J. Hernández

Proceedings of the I Jornadas de Investigación y Docencia en Bases de Datos, 1996

1995

A Simple Proof on the Decidability of Equivalence Between Recursive and Nonrecursive Datalog Programs.

Hing Leung, Desh Ranjan, Héctor J. Hernández, D. T. Tang, Agustin González

Inf. Process. Lett., 1995

1993

On the Boundedness of Constant-Time-Maintainable Database Schemes.

Héctor J. Hernández, Ke Wang

SIAM J. Comput., 1993

Extended Nested Relations.

Héctor J. Hernández

Acta Informatica, 1993

1991

Constant-Time-Maintainable BCNF Database Schemes.

Héctor J. Hernández, Edward P. F. Chan

ACM Trans. Database Syst., 1991

Independence-Reducible Database Schemes.

Edward P. F. Chan, Héctor J. Hernández

J. ACM, 1991

A network surveillance protocol for distributed database systems.

Junguk L. Kim, Héctor J. Hernández

Data Knowl. Eng., 1991

Structural Query Optimization - A uniform Framework for Semantic Query Optimization in Deductive Databases.

Laks V. S. Lakshmanan, Héctor J. Hernández

Proceedings of the Tenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, 1991

1988

On the Desirability of gamma-Acyclic BCNF Database Schemes.

Edward P. F. Chan, Héctor J. Hernández

Theor. Comput. Sci., 1988

Testing Unboundedness of Database Schemes and Functional Dependencies.

Edward P. F. Chan, Héctor J. Hernández

Inf. Process. Lett., 1988

On Generating Database Schemes Bounded or Constant-time-maintainable by Extensibility.

Edward P. F. Chan, Héctor J. Hernández

Acta Informatica, 1988

A Characterization of Constant-time-mainteinability for BCNF Database Schemes.

Héctor J. Hernández, Edward P. F. Chan

Proceedings of the 1988 ACM SIGMOD International Conference on Management of Data, 1988

1987

On Designing Database Schemes Bounded or Constant-time-maintainable with respect to Functional Dependencies.

Edward P. F. Chan, Héctor J. Hernández

Proceedings of the Sixth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, 1987