We describe several advanced functionalities of Magpie -a tool that assists users in the interpretation of web resources. Magpie is an extension to Internet Explorer that automatically creates a semantic layer for browsed web pages from a user-selected ontology. Semantic layers are annotations of web pages, with a set of applicable semantic services attached to the annotated items. We argue that the ability to generate different semantic layers for a web resource is vital to support the

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... tation of web pages. Moreover, the assignment of semantic web services to the entities allows users to browse their neighbourhood semantically. At the same time, the Magpie suite offers trigger services based on patterns of an automatically updated semantic browsing log. The enriched log also supports semantic browsing history management.