A Cellular Model for Information Systems on the Web-Integrating Local and Global Information
DANTE '99 Proceedings of the 1999 International Symposium on Database Applications in Non-Traditional Environments
Designing information-preserving mapping schemes for XML
VLDB '05 Proceedings of the 31st international conference on Very large data bases
Grouping and aggregation in the concept-oriented data model
Proceedings of the 2006 ACM symposium on Applied computing
Expressiveness and complexity of XML Schema
ACM Transactions on Database Systems (TODS)
A New Method for Developing Business Applications: The Cellular Data System
CW '06 Proceedings of the 2006 International Conference on Cyberworlds
A conceptual model for multidimensional data
APCCM '08 Proceedings of the fifth Asia-Pacific conference on Conceptual Modelling - Volume 79
An integrated multi-task inductive database VINLEN: initial implementation and early results
KDID'06 Proceedings of the 5th international conference on Knowledge discovery in inductive databases
Inductive databases in the relational model: the data as the bridge
KDID'05 Proceedings of the 4th international conference on Knowledge Discovery in Inductive Databases
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In designing dynamic situations such as cyberworlds, we consider the Incrementally Modular Abstraction Hierarchy (IMAH) to be an appropriate mathematical background to model dynamically changing cyberworlds by descending from the most abstract homotopy level to the most specific view level, while retaining invariants. One of the distinctive features of IMAH is to define an adjunction space (an attaching space) level. Cyberspaces are then attached by an equivalence relation, where the attached areas of the spaces are equivalent. The cellular data system (CDS) we developed based on IMAH is equipped with an automatic attaching function defined on the adjunction space level, and in this paper we have applied the function to organizational file permission information management. The function helps a user to search for the data he/she wants from data storage attaching spaces automatically.