Research Problems Under Exploration

• LOcation Based Services
  • Location Based Services : Book Chapter (pdf) ,
• Evacuation Planning
  • HSEM newsletter: Article (MS Word) ,
• Survey of Spatial Data Mining
  • AHPCRC newsletter MS Word (draft) ,
  • Departmental newsletter text (draft) ,
  • UCGIS invited presentation : powerpoint ,
  • Position paper submitted to Specialist Meeting on Spatial Data Analysis Software Tools (5/11/2002) : pdf ,
  • Book chapter (4/03) : postscript , pdf ,
  • Book chapter (2001): postscript , pdf ,
• Co-location Rules:
  • Talk slides: pdf ,
  • IEEE Data Mining Conf. 2001: postscript ,
  • Symposium on Spatial Databases (2001): pdf ,
  • other ,
• Spatial Outlier Detection:
  • Submitted to IEEE TKDE pdf , postscript ,
  • Journal of Intelligent Data Analysis: pdf , postscript ,
  • ACM KDD 2001: postscript ,
• Classification, Location Prediction with Spatial Data
  1. Comparison of SAR and MRF (IEEE Transactions on Multimedia Systems) postscript, pdf,
  2. Paper in Proc. SIAM Intl. Conference on Data Mining: postscript,
  3. Short survey paper for Proc. 2nd AHPCRC Workshop on Scientific Data Mining: AHPCRC Workshop on Scientific Data Mining: postscript,
  4. Short paper in ACM SIGKDD/ MDM 2000 : postscript, pdf,
  5. Short paper in ACM SIGMOD/PODS DMDK 2000 : postscript, pdf,
  6. Latest draft proposal (3/1/00) postscript, pdf,
  7. Talk slides (3/24/00) postscript,
  8. short article for CURA Reporter 2/2000 ( final article : pdf); last draft : ( postscript, pdf);
  9. full paper 2/2000 ( postscript, pdf) for GKD Book
  10. old short proposal 4/1999 ( postscript, pdf).
• Mapcubes: A Visualization Tool for Spatial Data Warehouses
  1. Revised paper on mapcube (11/00) (webpage)
  2. Traffic data visualization and mining paper (TRB) 8/2000 ( postscript ).
  3. Demo 1/2001 url,
  4. Full paper 11/1999 ( postscript (53M), pdf) for GKD Book .
• Direction Predicates for Querying Geo-spatial datasets
  1. Object based data model for Direction Predicates postscript , pdf,
  2. Consistency checking pdf (IEEE TAI 2000),
  3. Processing object-orientation based direction queries: An Open-shape based strategy (postscript , pdf), talk pdf,
  4. Direction equivalence classes and spatial reasoning
• Spatial Join Processing Using a Join Index : postscript (8M), pdf,

Other Research Problems Of Interest

• Map similarity measures for data mining and content based retrieval
• Content Based Retrieval of Spatial Maps
• Spatial Data Modeling via Pictogram enhanced Entity Relationship Models