44. Wikipedia Link-Based Expansion Relevance Set, Top R = 100 Working Set, Top W = 1000 … Wikipedia Extract anchor text from Working Set that link to the Relevance Set . Q
45. Wikipedia Link-Based Expansion Relevance Set, Top R = 500 Working Set, Top W = 1000 … Wikipedia Extract anchor text from Working Set that link to the Relevance Set . Q Combines relevance and popularity Relevance: An anchor phrase that links to a high ranked article gets a high score Popularity: An anchor phrase that links many times to a mid-ranked articles also gets high score