Development of a modern OPAC: from REVTOLC to MARIAN
SIGIR '93 Proceedings of the 16th annual international ACM SIGIR conference on Research and development in information retrieval
The Harvest information discovery and access system
Computer Networks and ISDN Systems
A probabilistic relational algebra for the integration of information retrieval and database systems
ACM Transactions on Information Systems (TOIS)
Interoperability for digital libraries worldwide
Communications of the ACM
Proceedings of the third ACM conference on Digital libraries
Database techniques for the World-Wide Web: a survey
ACM SIGMOD Record
Semantic interoperability in global information systems
ACM SIGMOD Record
Towards data abstraction in networked information retrieval systems
Information Processing and Management: an International Journal
Proceedings of the fourth ACM conference on Digital libraries
A decision-theoretic approach to database selection in networked IR
ACM Transactions on Information Systems (TOIS)
Small worlds: the dynamics of networks between order and randomness
Small worlds: the dynamics of networks between order and randomness
Data on the Web: from relations to semistructured data and XML
Data on the Web: from relations to semistructured data and XML
Maintaining data warehouses over changing information sources
Communications of the ACM
Communications of the ACM
A mediation infrastructure for digital library services
DL '00 Proceedings of the fifth ACM conference on Digital libraries
Growth and server availability of the NCSTRL digital library
DL '00 Proceedings of the fifth ACM conference on Digital libraries
The open archives initiative: building a low-barrier interoperability framework
Proceedings of the 1st ACM/IEEE-CS joint conference on Digital libraries
Merging Ranks from Heterogeneous Internet Sources
VLDB '97 Proceedings of the 23rd International Conference on Very Large Data Bases
Declarative specification of Web sites with S
The VLDB Journal — The International Journal on Very Large Data Bases
A Lightweight Protocol between Digital Libraries and Visualization Systems
Visual Interfaces to Digital Libraries [JCDL 2002 Workshop]
Java MARIAN: From an OPAC to a Modern Digital Library System
SPIRE 2002 Proceedings of the 9th International Symposium on String Processing and Information Retrieval
An XML Log Standard and Tool for Digital Library Logging Analysis
ECDL '02 Proceedings of the 6th European Conference on Research and Advanced Technology for Digital Libraries
MetaDL: A Digital Library of Metadata for Sensitive or Complex Research Data
ECDL '02 Proceedings of the 6th European Conference on Research and Advanced Technology for Digital Libraries
Generating a meta-DL by federating search on OAI and non-OAI servers
Journal of Intelligent Information Systems
Digital web library of a website with document clustering
IBERAMIA'10 Proceedings of the 12th Ibero-American conference on Advances in artificial intelligence
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Federated digital libraries are composed of distributed, autonomous, and often heterogeneous information services but provide users with a transparent, integrated view of collected information. In this paper we discuss a federated system for the Networked Digital Library of Theses and Dissertations (NDLTD), an international consortium of universities, libraries, and other supporting institutions focused on electronic theses and dissertations (ETDs). Federation requires dealing flexibly with differences among systems, ontologies, and data formats while respecting information sources' autonomy. Our solution involves adapting the object-oriented digital library system MARIAN to serve as mediation middleware for the federated NDLTD collection. Components of the solution include: 1) the use and integration of several harvesting techniques; 2) an architecture based on object-oriented ontologies of search modules and metadata; 3) reconciliation of diversity within the harvested data joined to a single collection view for the user; and 4) an integrated framework for addressing such questions as data quality, flexible and efficient search, and scalability.