An extended relational document retrieval model

Complete formal model for information retrieval systems

SIGIR '91 Proceedings of the 14th annual international ACM SIGIR conference on Research and development in information retrieval

A loosely-coupled integration of a text retrieval system and an object-oriented database system

SIGIR '92 Proceedings of the 15th annual international ACM SIGIR conference on Research and development in information retrieval

A probabilistic relational model for the integration of IR and databases

SIGIR '93 Proceedings of the 16th annual international ACM SIGIR conference on Research and development in information retrieval

Integrating IR and RDBMS using cooperative indexing

SIGIR '95 Proceedings of the 18th annual international ACM SIGIR conference on Research and development in information retrieval

A probabilistic relational algebra for the integration of information retrieval and database systems

ACM Transactions on Information Systems (TOIS)

Building a distributed full-text index for the web

ACM Transactions on Information Systems (TOIS)

The challenge of commercial document retrieval, part I: major issues, and a framework based on search exhaustivity, determinacy of representation and document collection size

Information Processing and Management: an International Journal

The data-document distinction revisited

ACM SIGMIS Database