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   "source": [
    "# Spatial tools"
   ]
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    "## Urban informatics and geospatial solutions\n",
    "\n",
    "### ActivitySpace Tools\n",
    "An open-source Python library for modeling and analyzing PPGIS data, supporting activity space modeling, mobility analysis, and environmental exposure estimation.  \n",
    "[Documentation](https://activity-space-tools.readthedocs.io/en/latest/)\n",
    "\n",
    "### Helsinki Travel Time Matrix Explorer\n",
    "An open-source web application for exploring, visualizing, and downloading travel time accessibility data from the Helsinki region.  \n",
    "[Access here](http://128.214.254.111/)\n",
    "\n",
    "### IASM – Individualized Activity Space Modeler\n",
    "An ArcGIS toolbox for creating individualized activity space models to support spatial analysis of human mobility and environmental exposure.  \n",
    "[Read more](https://doi.org/10.1016/j.softx.2018.04.005)\n",
    "\n",
    "### Synthetic PPGIS Data Generator\n",
    "A machine learning–based method for generating realistic synthetic 2D and 3D PPGIS datasets for research and testing purposes.  \n",
    "[Read more](https://doi.org/10.1016/j.mex.2022.101871)\n",
    "\n",
    "### Urban Data Anonymizer\n",
    "A context-aware algorithm for anonymizing sensitive PPGIS data while preserving spatial and analytical quality.  \n",
    "[Read more](https://doi.org/10.1016/j.compenvurbsys.2020.101513)"
   ]
  }
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