Efficient and Effective Higher Order Proximity Modeling

  title={Efficient and Effective Higher Order Proximity Modeling},
  author={Xiaolu Lu and Alistair Moffat and J. Shane Culpepper},
Bag-of-words retrieval models are widely used, and provide a robust trade-off between efficiency and effectiveness. These models often make simplifying assumptions about relations between query terms, and treat term statistics independently. However, query terms are rarely independent, and previous work has repeatedly shown that term dependencies can be… CONTINUE READING