@STRING{aaai = {Proceedings of the National Conference on Artificial Intelligence}}

@STRING{acmgis = {Proceedings of the ACM International Symposium on Advances in Geographic Information Systems}}

@STRING{adbis = {Proceedings of the Symposium on Advances in Databases and Information Systems}}

@STRING{ai = {Artificial Inteligence}}

@string{asoc  = {Applied Soft Computing}}

@STRING{cacm = {Communications of the ACM}}

@STRING{cikm = {Proceedings of the International Conference on Information and Knowledge Engineering}}

@STRING{computer = {IEEE Computer}}

@STRING{computernetw = {Computer Networks}}

@STRING{computingsurveys = {ACM Computing Surveys}}

@STRING{dasfaa = {Proceedings of the International Conference on Database Systems for Advanced Applications}}

@STRING{dawak = {Proceedings of the Data Warehousing and Knowledge Discovery}}

@STRING{dcc = {Proceedings of the Data Compression Conference}}

@STRING{dexa = {Proceedings of the International Conference on Database and Expert Systems Applications}}

@STRING{dke = {Data \& Knowledge Engineeering}}

@STRING{doceng = {Proceedings of the ACM Symposium on Document Engineering}}

@STRING{dood = {Proceedings of the International Conference Deductive and Object-Oriented Databases}}

@STRING{dpd = {Distributed and Parallel Databases}}

@STRING{ecdl = {Proceedings of the European Conference on Research and Advanced Technology for Digital Libraries}}

@STRING{ecir = {Proceedings of the European Conference on Information Retrieval}}

@STRING{edbt = {Proceedings of the International Conference on Extending Database Technology}}

@STRING{eextt = {Proceedings of the VLDB Workshop on Efficiency and Effectiveness of XML Tools, and Techniques}}

@STRING{er = {Proceedings of the International Conference on Conceptual Modeling}}

@STRING{fse = {Proceedings of the ACM SIGSOFT Conference on the Foundations of Software Engineering}}

@STRING{geoinfo = {Proceedings of the Brazilian Symposium on GeoInformatics}}

@string{ic  = {Information and Control}}

@STRING{icde = {Proceedings of the IEEE International Conference on Data Engineering}}

@STRING{icdebulletin = {IEEE Data Engineering Bulletin}}

@STRING{icdt = {Proceedings of the International Conference on Database Theory}}

@STRING{icdm = {Proceedings of the IEEE International Conference on Data Mining}}

@STRING{icml = {Proceedings of the International Conference on Machine Learning}}

@string{ijgis = {International Journal of Geographical Information Science}}

@STRING{infosys = {Information Systems}}

@STRING{ipm = {Information Processing and Management}}

@string{ijar = {International Journal of Approximate Reasoning}}

@STRING{jbcs = {Journal of the Brazilian Computer Society}}

@STRING{jcdl = {Proceedings of the ACM IEEE Joint Conference on Digital Libraries}}

@STRING{jep = {Journal of Electronic Publishing}}

@STRING{jidm = {Journal of Information and Data Management}}

@STRING{jiis = {Journal of Intelligent Information Systems}}

@STRING{jucs = {Journal of Universal Computer Science}}

@STRING{kdd = {Proceedings of the ACM SIGKDD International Conference on Knowledge Discovery and Data Mining}}

@STRING{mobilesearch = {Proceedings of the WWW Workshop on Mobile Search}}

@STRING{odbase = {Proceedings of the International Conference on Ontologies, Databases and Applications of Semantics}}

@STRING{oopsla = {Proceedings of the Annual ACM Conference on Object-Oriented Programing Systems, Languages and Applications}}

@STRING{pkdd = {Proceedings of the European Conference on Principles and Practice of Knowledge Discovery in Databases}}

@STRING{pods = {Proceedings of the ACM Symposium on Principles of Database Systems}}

@STRING{pvldb = {Proceedings of the VLDB Endowment}}

@STRING{sac = {Proceedings of the ACM Symposium on Applied Computing}}

@STRING{sbbd = {Proceedings of the Brazilian Symposium on Databases}}

@STRING{seke = {Proceedings of the International Conference on Software Engineering and Knowledge Engineering}}

@STRING{sigir = {Proceedings of the International ACM SIGIR Conference on Research \& Development of Information Retrieval}}

@STRING{sigmod = {Proceedings of the ACM SIGMOD International Conference on Management of Data}}

@STRING{sigmodrecord = {SIGMOD Record}}

@STRING{ssdbm = {Proceedings of the International Conference on Scientific and Statistical Databases Management}}

@STRING{sstd = {Proceedings of the Internationa Symposium on Spatial and Temporal Databases}}

@STRING{time = {Proceedings of the International Symposium on Temporal Representation and Reasoning}}

@STRING{tkdd = {ACM Transactions on Knowledge Discovery from Data}}

@STRING{tkde = {IEEE Transactions on Knowledge and Data Engineering}}

@STRING{tods = {ACM Transactions on Database Systems }}

@STRING{tois = {ACM Transactions on Information Systems}}

@STRING{tse = {Transactions on Software Engineering}}

@STRING{uai = {Proceedings of the Conference in Uncertainty in Artificial Intelligence}}

@STRING{vldb = {Proceedings of the International Conference on Very Large Data Bases}}

@STRING{vldbj = {The VLDB Journal}}

@STRING{webdb = {Proceedings of the Workshop on Web and Databases}}

@STRING{webmedia = {Proceedings of the Brazilian Symposium on Multimedia and the Web}}

@STRING{www = {Proceedings of the International World Wide Web Conferences}}

@STRING{wwwposter = {Proceedings of the International World Wide Web Conferences, Poster session}}

@STRING{xsym = {Proceedings of XML Database Symposium}}

@article{CD97IJAR,
  author  = {E. Clementini and P. {Di Felice}},
  title   = {Approximate topological relations},
  journal = ijar,
  volume  = {16},
  number  = {2},
  pages   = {173-204},
  year    = {1997}
}

@article{Clem94CG,
  author  = {Eliseo Clementini and Jayant Sharma and Max J. Egenhofer},
  title   = {Modelling topological spatial relations: Strategies for query processing},
  journal = {Computers \& Graphics},
  volume  = {18},
  number  = {6},
  pages   = {815--822},
  year    = {1994}
}

@phdthesis{Dil06Th,
  author = {A. Dilo},
  title  = {Representation of and reasoning with vagueness in spatial information:
            A system for handling vague objects},
  school = {International Institute for Geo-information Science \& Earth Observation},
  year   = {2006}
}

@article{SB06TODS,
  author  = {M. Schneider and T. Behr},
  title   = {Topological Relationships between Complex Spatial Objects},
  journal = tods,
  year    = {2006},
  volume  = {31},
  number  = {1},
  pages   = {39-81}
}

@article{Sch14ASOC,
  author  = {M. Schneider},
  title   = {{Spatial Plateau Algebra} for Implementing Fuzzy Spatial Objects in Databases
             and GIS: {Spatial Plateau} Data Types and Operations},
  journal = asoc,
  volume  = {16},
  number  = {3},
  pages   = {148-170},
  year    = {2014}
}

@article{Zad65IC,
  author  = {L.~A. Zadeh},
  title   = {Fuzzy Sets},
  journal = ic,
  volume  = {8},
  pages   = {338--353},
  year    = {1965}
}

@article{Dilo07IJGIS,
  author  = {Dilo, Arta and de By, Rolf A. and Stein, Alfred},
  title   = {A System of Types and Operators for Handling Vague Spatial Objects},
  journal = ijgis,
  volume  = {21},
  number  = {4},
  pages   = {397--426},
  year    = {2007}
}

@INBOOK{PaulySch08QASDM,
  chapter   = {Querying vague spatial objects in databases with {VASA}},
  pages     = {3--14},
  title     = {Quality Aspects in Spatial Data Mining},
  publisher = {CRC Press},
  year      = {2008},
  editor    = {Stein, Alfred and Shi, Wenzhong and Bijker, Wietske},
  author    = {Pauly, Alejandro and Schneider, Markus},
  address   = {USA}
}

@article{PaulySch10IS,
  author    = {Pauly, Alejandro and Schneider, Markus},
  title     = {{VASA}: An algebra for vague spatial data in databases},
  journal   = infosys,
  volume    = {35},
  number    = {1},
  pages     = {111--138},
  year      = {2010}
}

@incollection{Sch08IGI,
  author    = {M. Schneider},
  title     = {Fuzzy Spatial Data Types for Spatial Uncertainty Management in Databases},
  booktitle = {Handbook of Research on Fuzzy Information Processing in Databases},
  publisher = {IGI Global},
  year      = {2008},
  editor    = {J. Galindo},
  pages     = {490-515}
}

@incollection{Dilo06FDSIU,
  year      = {2006},
  booktitle = {Flexible Databases Supporting Imprecision and Uncertainty},
  volume    = {203},
  editor    = {Bordogna, Gloria and Psaila, Giuseppe},
  title     = {Storage and Manipulation of Vague Spatial Objects Using Existing {GIS} Functionality},
  publisher = {Springer Berlin Heidelberg},
  author    = {Dilo, Arta and Bos, Pieter and Kraipeerapun, Pawalai and de By, RolfA.},
  pages     = {293--321}
}

@inproceedings{Zinn07VLDB,
  author    = {Zinn, Daniel and Bosch, Jim and Gertz, Michael},
  title     = {Modeling and Querying Vague Spatial Objects Using Shapelets},
  booktitle = vldb,
  year      = {2007},
  pages     = {567--578},
  address  = {Vienna, Austria}
}

@article{Gut94VLDB,
  author    = {G\"{u}ting, Ralf Hartmut},
  title     = {An Introduction to Spatial Database Systems},
  journal   = vldbj,
  volume    = {3},
  number    = {4},
  year      = {1994},
  pages     = {357--399}
}

@article{Li07COMP,
  author    = {Li, Rui and Bhanu, Bir and Ravishankar, Chinya and Kurth, Michael and Ni, Jinfeng},
  title     = {Uncertain Spatial Data Handling: Modeling, Indexing and Query},
  journal   = {Computers \& Geosciences},
  volume    = {33},
  number    = {1},
  year      = {2007},
  pages     = {42--61}
}

@article{Beja10GEOINF,
  year      = {2010},
  journal   = {GeoInformatica},
  volume    = {14},
  number    = {3},
  title     = {{OCL} for formal modelling of topological constraints involving regions with broad boundaries},
  author    = {Bejaoui, Lotfi and Pinet, François and Schneider, Michel and B\'{e}dard, Yvan},
  pages     = {353-378}
}

@article{Gaede98MAM,
  author   = {Gaede, Volker and G\"{u}nther, Oliver},
  title    = {Multidimensional Access Methods},
  journal  = computingsurveys,
  volume   = {30},
  number   = {2},
  year     = {1998},
  pages    = {170--231}
}

@article{Siq14GeoInf,
 author = {Siqueira, Thiago Lu\'{\i}s and Ciferri, Cristina Dutra Aguiar and Times, Val{\'e}ria Ces\'{a}rio and Ciferri, Ricardo Rodrigues},
 title = "Modeling Vague Spatial Data Warehouses Using the {VSCube} Conceptual Model",
 journal = {Geoinformatica},
 volume = {18},
 number = {2},
 year = {2014},
 pages = {313--356}
}

@mastersthesis{Krai04Thesis,
  title  = {Implementation of vague spatial objects},
  author = {Kraipeerapun, Pawalai},
  school = {International Institute for Geo-Information Science and Earth Observation},
  year   = {2004}
}

@inproceedings{Carn14ACMGIS,
  author    = {Carniel, Anderson Chaves and Schneider, Markus and Ciferri, Ricardo Rodrigues and Ciferri, Cristina Dutra Aguiar},
  title     = {Modeling Fuzzy Topological Predicates for Fuzzy Regions},
  booktitle = acmgis,
  year      = {2014},
  pages     = {529-532},
  address   = {New York, NY, USA}
}

@inproceedings{Carn15GeoInfo1,
  author    = {Carniel, Anderson Chaves and Ciferri, Ricardo Rodrigues and Ciferri, Cristina Dutra Aguiar},
  title     = {Embedding Vague Spatial Objects into Spatial Databases using the VagueGeometry Abstract Data Type},
  booktitle = geoinfo,
  year      = {2015},
  pages     = {233-244},
  address   = {Campos do Jord\~{a}o, SP, Brazil}
}

@inproceedings{Carn15GeoInfo2,
  author    = {Carniel, Anderson Chaves and Ciferri, Ricardo Rodrigues and Ciferri, Cristina Dutra Aguiar},
  title     = {An Abstract Data Type to Handle Vague Spatial Objects Based on the Fuzzy Model},
  booktitle = geoinfo,
  year      = {2015},
  pages     = {210-221},
  address   = {Campos do Jord\~{a}o, SP, Brazil}
}
