12 citations · 23 across the 15 of their papers we have counts for
15 papers
Foundations of Work-Systems Modeling
Henderik Alex Proper
In 2006, the course "Modeling of Organizations" is taught for the third time. This third time will be the second time we will use the new lecture notes "Work Systems Modelling" fro…
An Overview of Ontologies and Tool Support for COVID-19 Analytics
Aakash Ahmad, Madhushi Bandara, Mahdi Fahmideh +3
The outbreak of the SARS-CoV-2 pandemic of the new COVID-19 disease (COVID-19 for short) demands empowering existing medical, economic, and social emergency backend systems with da…
A functionality taxonomy for document search engines
Rik D. T. Janssen, Henderik A. Proper
In this paper a functionality taxonomy for document search engines is proposed. It can be used to assess the features of a search engine, to position search engines relative to eac…
Business Suitability Principles for Workflow Modelling
Alistair P. Barros, Arthur H. M. ter Hofstede, Henderik A. Proper +1
By incorporating aspects of coordination and collaboration, workflow implementations of information systems require a sound conceptualisation of \EM{business processing} semantics.…
Conceptual Schema Optimisation -- Database Optimisation before sliding down the Waterfall
Henderik A. Proper, Terry A. Halpin
In this article we discuss an approach to database optimisation in which a conceptual schema is optimised by applying a sequence of transformations. By performing these optimisatio…
ConQuer-92 -- The revised report on the conceptual query language LISA-D
H. A. Proper
In this report the conceptual query language ConQuer-92 is introduced. This query language serves as the backbone of InfoAssistant's query facilities. Furthermore, this language ca…
Interactive Query Formulation using Spider Queries
H. A. Proper
Effective information disclosure in the context of databases with a large conceptual schema is known to be a non-trivial problem. In particular the formulation of ad-hoc queries is…
Interactive Query Formulation using Query By Navigation
H. A. Proper
Effective information disclosure in the context of databases with a large conceptual schema is known to be a non-trivial problem. In particular the formulation of ad-hoc queries is…
Generating Significant Examples for Conceptual Schema Validation
H. A. Proper
This report bases itself on the idea of using concrete examples to verify conceptual schemas, and in particular cardinality constraints. When novice ORM modellers model domains, th…
An Overview of Computer Supported Query Formulation
H. A. Proper
Most present day organisations make use of some automated information system. This usually means that a large body of vital corporate information is stored in these information sys…
Developing an Architecture Method Library
R. D. T. Janssen, H. A. Proper, H. Bosma +2
Today, there are millions of professionals worldwide acting as a designer, architect or engineer in the design, realization, and implementation of information systems. At this mome…
A General Theory for the Evolution of Application Models -- Full version
H. A. Proper, Th. P. van der Weide
In this article we focus on evolving information systems. First a delimitation of the concept of evolution is provided, resulting in a first attempt to a general theory for such ev…
Component Based Solutions Under Architecture
T. A. Barrett, H. A. Proper
Many of today's applications have an, almost tangible, monolithic nature. They are built as 'islands', purporting to be self contained, offering little or nothing in the way of int…
Work Systems Modeling Library
Henderik A. Proper
Modeling of work systems occurs for all sorts of reasons. Requirements need to be expressed. A pre-existing situation may need to be charted and analyzed. Early design decisions ma…
Interactive Query Formulation using Point to Point Queries
Henderik Alex Proper
Effective information disclosure in the context of databases with a large conceptual schema is known to be a non-trivial problem. In particular the formulation of ad-hoc queries is…