On First-Order Topological Queries. Grohe, M. & Segoufin, L. In 15th Annual IEEE Symposium on Logic in Computer Science, Santa Barbara, California, USA, June 26-29, 2000, pages 349–360, 2000.
On First-Order Topological Queries [link]Paper  doi  bibtex   
@inproceedings{DBLP:conf/lics/GroheS00,
  author    = {Martin Grohe and
               Luc Segoufin},
  title     = {On First-Order Topological Queries},
  booktitle = {15th Annual {IEEE} Symposium on Logic in Computer Science, Santa Barbara,
               California, USA, June 26-29, 2000},
  pages     = {349--360},
  year      = {2000},
  crossref  = {DBLP:conf/lics/2000},
  url       = {https://doi.org/10.1109/LICS.2000.855783},
  doi       = {10.1109/LICS.2000.855783},
  timestamp = {Wed, 16 Oct 2019 14:14:54 +0200},
  biburl    = {https://dblp.org/rec/conf/lics/GroheS00.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}

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