A Deductive Object-Oriented Database For Data Intensive Application Development. - Alvaro A. A. Fernandes; Maria L. Barja; Norman W. Paton; M. Howard Williams (BNCOD, 1993)

Combining Active Rules and Metaclasses for Enhanced Extensibility in Object-Oriented Systems. - Norman W. Paton; Oscar Díaz 001; Maria L. Barja (Data Knowl. Eng., 1993)

ROCK & ROLL: A Deductive Object-Oriented Database System. - Alvaro A. A. Fernandes; Maria L. Barja; Norman W. Paton; M. Howard Williams; Andrew Dinn; Imara P. Diaz; Alia I. Abdelmoty (DAISD, 1994)

Geographic Data Handling in a Deductive Object-Oriented Database. - Alia I. Abdelmoty; Norman W. Paton; M. Howard Williams; Alvaro A. A. Fernandes; Maria L. Barja; Andrew Dinn (DEXA, 1994)

An Effective Deductive Object-Oriented Database Through Language Integration. - Maria L. Barja; Norman W. Paton; Alvaro A. A. Fernandes; M. Howard Williams; Andrew Dinn (VLDB, 1994)

Design and implementation of ROCK & ROLL: a deductive object-oriented database system. - Maria L. Barja; Alvaro A. A. Fernandes; Norman W. Paton; M. Howard Williams; Andrew Dinn; Alia I. Abdelmoty (Inf. Syst., 1995)

The formalisation of ROCK & ROLL: A deductive object-oriented database system. - Alvaro A. A. Fernandes; Maria L. Barja; Norman W. Paton; M. Howard Williams (Inf. Softw. Technol., 1997)

The Implementation of a Deductive Query Language Over an OODB. - Andrew Dinn; Norman W. Paton; M. Howard Williams; Alvaro A. A. Fernandes; Maria L. Barja (J. Syst. Integr., 1997)

Informia: A Mediator for Integrated Access to Heterogeneous Information Sources. - Maria L. Barja; Tore A. Bratvold; Jussi Myllymaki; Gabriele Sonnenberger (CIKM, 1998)