DivQ: diversification for keyword search over structured databases

  title={DivQ: diversification for keyword search over structured databases},
  author={Elena Demidova and Peter Fankhauser and Xuan Zhou and Wolfgang Nejdl},
Keyword queries over structured databases are notoriously ambiguous. No single interpretation of a keyword query can satisfy all users, and multiple interpretations may yield overlapping results. This paper proposes a scheme to balance the relevance and novelty of keyword search results over structured databases. Firstly, we present a probabilistic model which effectively ranks the possible interpretations of a keyword query over structured data. Then, we introduce a scheme to diversify the… CONTINUE READING
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