Efficient Batch Updating of a Random File. - G. M. Nijssen (SIGFIDET Workshop, 1971)

Common Data Base Languages. - G. M. Nijssen (Data Base, 1972)

Data Structuring in the DDL and Relational Data Model. - G. M. Nijssen (IFIP Working Conference Data Base Management, 1974)

The Wépion Recommendations on the CODASYL DDL 1973. - B. C. M. Douqué; G. M. Nijssen (IFIP TC-2 Special Working Conference on Data Base Description, 1975)

Set and CODASYL Set or Coset. - G. M. Nijssen (IFIP TC-2 Special Working Conference on Data Base Description, 1975)

Two major flaws in the CODASYL DDL 1973 and Proposed Corrections. - G. M. Nijssen (Inf. Syst., 1975)

A Gross Architecture for the Next Generation Database Management System. - G. M. Nijssen (IFIP Working Conference on Modelling in Data Base Management Systems, 1976)

Towards an Ideal Conceptual Model for Data Base Management. - G. M. Nijssen (ICOD, 1980)

A procedure to define the object type structure of a conceptual schema. - Dirk Vermeir; G. M. Nijssen (Inf. Syst., 1982)

Feature Analysis of ACM/PCM, CIAM, ISAC and NIAM. - Eckhard D. Falkenberg; G. M. Nijssen; A. Adams; L. Bradley; P. Bugeia; A. L. Campbell; M. Carkeet; G. Lehmann; A. Shoeshmith (CRIS, 1983)

On Experience with Large-Scale Teaching and Use of Fact-Based Conceptual Schemas in Industry and University. - G. M. Nijssen (DS-1, 1985)

UCL: A User-Friendly Conceptual Language. - S. Tehrani; G. M. Nijssen (Aust. Comput. J., 1985)

From a NIAM Conceptual Schema into the optimal SQL Relational Database Schema. - Chin Ming Ricky Leung; G. M. Nijssen (Aust. Comput. J., 1987)

Relational database design using the NIAM conceptual schema. - Chin Ming Ricky Leung; G. M. Nijssen (Inf. Syst., 1988)

Conceptual schema and relational database design - a fact oriented approach. - Gerardus Maria Nijssen; Terry A. Halpin (Prentice Hall, 1989)

An Axiom and Architecture for Information Systems. - G. M. Nijssen (ISCO, 1989)

A Conceptual Structure of Knowledge as a Basis for Instructional Designs. - Sjir Nijssen; Rita Bijlsma (ICALT, 2006)

ORM 2007 PC Co-chairs' Message. - Terry A. Halpin; Sjir Nijssen; Robert Meersman (OTM Workshops (1), 2007)

A NIAM2007 Conceptual Analysis of the ISO and OMG MOF Four Layer Metadata Architectures. - Inge M. C. Lemmens; Maurice Nijssen; Sjir Nijssen (OTM Workshops (1), 2007)

Connecting People: Semantic-Conceptual Modeling for Laws and Regulations. - Tom M. van Engers; Sjir Nijssen (EGOV, 2014)

From Legislation towards the Provision of Services - An Approach to Agile Implementation of Legislation. - Tom M. van Engers; Sjir Nijssen (EGOVIS, 2014)

A Sustainable Architecture for Durable Modeling of Laws and Regulations and Main Concepts of the Durable Model. - Marco Brattinga; Sjir Nijssen (OTM Workshops, 2015)

Developing and Maintaining Durable Specifications for Law or Regulation Based Services. - Diederik Dulfer; Sjir Nijssen; Mariette Lokin (OTM Workshops, 2015)

CogniLex - A Legal Domain Specific Fact Based Modeling Protocol. - Mariette Lokin; Sjir Nijssen; Inge M. C. Lemmens (OTM Workshops, 2015)

1975-2015: Lessons Learned with Applying FBM in Professional Practice. - Sjir Nijssen; Baba Piprani (OTM Workshops, 2015)

A Durable Architecture as a Foundation for Regulation Based Services. - Jos Rozendaal; Sjir Nijssen (OTM Workshops, 2016)

A Proposal for a Regulations Based Services Language. - Jos Rozendaal; Sjir Nijssen (OTM Workshops, 2016)

An IT-Independent Reference Model for IT-Supported, Interactive, Regulation Based Services. - Sjir Nijssen; Diederik Dulfer; Peter Bollen; Jos Rozendaal (OTM Workshops, 2017)

The Role of States and Transitions in IT-Supported, Interactive, Regulation Based Services. - Sjir Nijssen; Diederik Dulfer; Peter Bollen; Jos Rozendaal (OTM Workshops, 2017)

Meaning Based Structured Legal Code. - Sjir Nijssen; Diederik Dulfer; Peter Bollen; Jos Rozendaal (OTM Workshops, 2017)

The Lifecycle of a User Transaction in a Hyperledger Fabric Blockchain Network Part 1: Propose and Endorse. - Sjir Nijssen; Peter Bollen (OTM Workshops, 2018)

The Lifecycle of a User Transaction in a Hyperledger Fabric Blockchain Network Part 2: Order and Validate. - Sjir Nijssen; Peter Bollen (OTM Workshops, 2018)