Ontology-based models in pervasive computing systems
The Knowledge Engineering Review
An ontological website models-supported search agent for web services
Expert Systems with Applications: An International Journal
Expert Systems with Applications: An International Journal
State of the Art in Semantic Focused Crawlers
ICCSA '09 Proceedings of the International Conference on Computational Science and Its Applications: Part II
OntoCrawler: A focused crawler with ontology-supported website models for information agents
Expert Systems with Applications: An International Journal
Ontology based web crawling – a novel approach
AWIC'05 Proceedings of the Third international conference on Advances in Web Intelligence
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The requirement of a web Crawler that downloadsmost relevant pages is still a major challenge in the fieldof Information Retrieval Systems. The use of link analysisalgorithms like page rank and other Importance-metricshave shed a new approach in prioritizing the URL queuefor downloading higher relevant pages. In this paper, thecombination of these metrics along with a new metriccalled association-metric has been proposed. Theassociation-metric estimates the semantic content of theURL based on the domain dependent ontology, which inturn strengthens the metric that is used for prioritizing theURL queue. In addition, after downloading the page, theassociation metric plays important role in estimating therelevancy of the links in that page. The proposed newmetric will solve the major problem of finding therelevancy of the pages before the process of crawling, toan optimal level.