Description and performance analysis of signature file methods for office filing
ACM Transactions on Information Systems (TOIS)
Optimization for dynamic inverted index maintenance
SIGIR '90 Proceedings of the 13th annual international ACM SIGIR conference on Research and development in information retrieval
Information retrieval
Guidelines for presentation and comparison of indexing techniques
ACM SIGMOD Record
Inverted files versus signature files for text indexing
ACM Transactions on Database Systems (TODS)
Focusing search in hierarchical structures with directory sets
Proceedings of the seventh international conference on Information and knowledge management
The anatomy of a large-scale hypertextual Web search engine
WWW7 Proceedings of the seventh international conference on World Wide Web 7
Yahoo! as an ontology: using Yahoo! categories to describe documents
Proceedings of the eighth international conference on Information and knowledge management
Superimposing codes representing hierarchical information in web directories
Proceedings of the 3rd international workshop on Web information and data management
Unstructured data bases or very efficient text searching
PODS '83 Proceedings of the 2nd ACM SIGACT-SIGMOD symposium on Principles of database systems
Automatic Text Categorization and Its Application to Text Retrieval
IEEE Transactions on Knowledge and Data Engineering
Information Retrieval on the Web
ESSIR '00 Proceedings of the Third European Summer-School on Lectures on Information Retrieval-Revised Lectures
Experiencies Retrieving Information in the World Wide Web
ISCC '01 Proceedings of the Sixth IEEE Symposium on Computers and Communications
Incremental cluster-based retrieval using compressed cluster-skipping inverted files
ACM Transactions on Information Systems (TOIS)
Efficient processing of category-restricted queries for web directories
ECIR'08 Proceedings of the IR research, 30th European conference on Advances in information retrieval
Algorithms for within-cluster searches using inverted files
ISCIS'06 Proceedings of the 21st international conference on Computer and Information Sciences
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The need of efficient tools in order to manage, retrieve and filter the information in the WWW is clear. Web directories are taxonomies for the classification of Web documents. These kind of information retrieval systems present a specific type of search where the document collection is restricted to one area of the category graph. This paper introduces a specific data architecture for Web directories that improves the performance of restricted searches. That architecture is based on a hybrid data structure composed of an inverted file with multiple embedded signature files. Two variants are presented: hybrid architecture with total information and with partial information. This architecture has been analyzed by means of developing both variants to be compared with a basic model. The performance of the restricted queries was clearly improved, especially the hybrid model with partial information, which yielded a positive response under any load of the search system.