Term-weighting approaches in automatic text retrieval
Information Processing and Management: an International Journal
Revisitation patterns in World Wide Web navigation
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
The anatomy of a large-scale hypertextual Web search engine
WWW7 Proceedings of the seventh international conference on World Wide Web 7
The small-world phenomenon: an algorithmic perspective
STOC '00 Proceedings of the thirty-second annual ACM symposium on Theory of computing
Modern Information Retrieval
Investigating behavioral variability in web search
Proceedings of the 16th international conference on World Wide Web
Wikify!: linking documents to encyclopedic knowledge
Proceedings of the sixteenth ACM conference on Conference on information and knowledge management
Linking Documents to Encyclopedic Knowledge
IEEE Intelligent Systems
Learning to link with wikipedia
Proceedings of the 17th ACM conference on Information and knowledge management
NNexus: An Automatic Linker for Collaborative Web-Based Corpora
IEEE Transactions on Knowledge and Data Engineering
Automatic link detection: a sequence labeling approach
Proceedings of the 18th ACM conference on Information and knowledge management
Power-Law Distributions in Empirical Data
SIAM Review
Tracking the random surfer: empirically measured teleportation parameters in PageRank
Proceedings of the 19th international conference on World wide web
Stop thinking, start tagging: tag semantics emerge from collaborative verbosity
Proceedings of the 19th international conference on World wide web
Knowledge-rich Word Sense Disambiguation rivaling supervised systems
ACL '10 Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics
Linkator: enriching web pages by automatically adding dereferenceable semantic annotations
ICWE'10 Proceedings of the 10th international conference on Web engineering
On the Navigability of Social Tagging Systems
SOCIALCOM '10 Proceedings of the 2010 IEEE Second International Conference on Social Computing
Pragmatic evaluation of folksonomies
Proceedings of the 20th international conference on World wide web
Tags vs shelves: from social tagging to social classification
Proceedings of the 22nd ACM conference on Hypertext and hypermedia
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In recent years, a number of approaches to improve the overall navigability of web-based information systems have been introduced -- breadcrumbs and automatic linking algorithms represent two exemplary approaches. While evaluation of such approaches is a complex and multidimensional endeavor, involving cognitive, user-interface and other issues, the objective of this paper are more modest. In this paper, we aim to evaluate the effectiveness of different navigational aids for web information systems from a network-theoretic perspective. The main idea of this paper is to use decentralized search as a mechanism to evaluate navigational effectiveness. In our experiments on the largest Austrian online encyclopedia Austria-Forum, we compared the usefulness of two existing approaches to linking, i.e. breadcrumbs and automatic linking. Our results suggest that different navigational aids differ significantly with regard to their potential to support efficient navigation. The main contribution of this paper is a simulation-based framework that enriches the repertoire of tools for web engineers who are aiming to evaluate and improve navigability of web information systems. The framework allows engineers to assess a potential usefulness of various navigational tools even before expensive development or user studies are carried out.