Spatial Range Queries Using Traces

  • Yan-Nong Huang
  • Published 1998 in
    International Journal of Geographical Information…


A trace, de® ned as a set of points satisfying some constraints, is introduced to specify ranges in which interesting objects are located. The paper shows how the declarativeness of the query language is enhanced by introducing this concept, and how explicitly recognized traces have a signi® cant impact on query optimization. Two typical spatial queries are… (More)
DOI: 10.1080/136588198241671


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