QDR-Tree: An Efcient Index Scheme for Complex Spatial Keyword Query

28 Apr 2018 Zang Xinshi Hao Peiwen Gao Xiaofeng Yao Bin Chen Guihai

With the popularity of mobile devices and the development of geo-positioning technology, location-based services (LBS) attract much attention and top-k spatial keyword queries become increasingly complex. It is common to see that clients issue a query to find a restaurant serving pizza and steak, low in price and noise level particularly... (read more)

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  • DATA STRUCTURES AND ALGORITHMS
  • DATABASES