You can now search and browse dbpedia online. dbpedia is a project which has extracted structured information from English Wikipedia (and another of other languages, I think) and each entry is links back to the Wikipedia article.
Upon searching for a term, a number of tags are presented (each with given a different weight which represented by fontsize) along with search result (e.g. the following is the search result for search term 'Jesus' http://www4.wiwiss.fu-berlin.de:8800/search/search.aspx?QueryString=Jesus&am...)
Link: http://dbpedia.org/search/ or http://www4.wiwiss.fu-berlin.de:8800/search/
Credit: Georgi Kobilarov developed this tool and posted a link to [dbpedia-l]