Spatial Usecase @SpatialUsecase
Tracking uses of advanced analysis with spatial data #LocationIntelligence #LocationData #SpatialAnalysis #MachineLearning #AI #SpatialStatistics #GIS Yes Joined March 2019-
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Automatic review of OSM road changes @fb_engineering Data: OSM, Satellite Method: Scoring the changes using multiple rules: e.g. Fréchet distance (bit.ly/352JS7z), or comparison to satellite imagery using D-LinkNet (bit.ly/2MdIC97) bit.ly/2pNmNWB
Retail revenue prediction @CARTO Data: census, financial, mobility, POI Method: RF + kriging. Spatial features on 10m isochrones, feature selection (e.g. stability selection bit.ly/2nDAiHe), interpretation through SHAP (bit.ly/2mQ8jE5). bit.ly/2mE9vdL
Map matching when the map is wrong @lyfteng Data: OSM road network, GPS car traces Method: sIMM (bit.ly/2nF3GwL): MAP estimate from a mixture of Kalman filter (bit.ly/2lXNUg3) and HMM (bit.ly/2lXflXk) lft.to/2n68PNO
Location-Based Recommendation @shakasom Data: Yelp (bit.ly/2mtmGxB) Method: Cluster restaurants by k-means, assign user's location to nearest cluster, recommend best restaurants in the cluster Code: bit.ly/2kNS35F bit.ly/2kNRY1R
Optimal branch location selection @targomo Data: Census, traffic network, store locations Method: Gravitational model (bit.ly/2mbggTx) with actual travel time calculation Tools: Targomo API (bit.ly/2kiiShU) bit.ly/2knfa6Q
Selecting market locations for expansion @CARTO Data: CBSA (bit.ly/2wn6NKC ), census data, store locations Method: Categorize census blocks using Moran's I (bit.ly/2X4zs36 ), find high-high blocks not covered by stores' 12-min isochrones. carto.com/blog/spatial-m…
Following the trajectory of a "plausible yet non-existent New Yorker" Data: Daily paths of OpenPaths users (bit.ly/2JYIElH) Method: Predicting the next location using LSTM RNN trained on users' paths. urbanomnibus.net/2019/05/stalki…
Mapping the population of Africa @FacebookAI Data: Satellite, census, OSM Method: Binary classification (building/no building) using ResNet50 + weakly/semi-supervised approach. F1 score to counter class imbalance. Output data: bit.ly/2Y2PA5h ai.facebook.com/blog/mapping-t…
Predicting store closings @spatialAI Data: Geotagged social media posts Method: Unsupervised learning to produce a taxonomy of behaviors (bit.ly/2VlqqRG, bit.ly/2KWUW04), then classifying stores using the taxonomy as predictors. blog.spatial.ai/how-to-predict…
Visualizing the market coverage of malls @CARTO Data: Mall locations and Gross Leasable Area (GLA), population. Method: Gravity model (bit.ly/2D92NS2) using Huff's law (bit.ly/2WXn847), where gravity = GLA. Tools: CartoDB carto.com/blog/using-spa…
Finding similar locations across cities @spatialAI Data: Geotagged social media posts Method: doc2vec, where documents are posts related to POI (bit.ly/2UgXKtc) Tools: Tensorflow medium.com/spatial-ai/lev…
Sub-weekly detection of deforestation @planetlabs Data: Daily earth observation data (bit.ly/2JSuJzi) Method: Generalized U-net (bit.ly/2uAJtrU) for semantic segmentation, change detection using Welch t-test (bit.ly/2CKzFA4) medium.com/planet-stories…
Site planning and revenue prediction - food truck locations @CARTO Data: Trucks' transactions, census, POI, MasterCard spend data, foot traffic Method: Revenue prediction model via Gradient boosted regression (bit.ly/2JCx9Sk) carto.com/blog/optimizin…
Geographic customer segmentation @CARTO Data: ACS - census tract level Method: Spielman-Singleton - two-step clustering using k-means and Ward's method (bit.ly/2TpJR6Q , code bit.ly/2HBq8PX ) Tools: R (repo), CARTO (link) carto.com/blog/new-appro…
Usecase: Detecting and classifying trends in water leaks Data: Point data, leak time and location Method: Gettis-Ord local Gi* to obtain time series of hotspot z-scores, test for trends using Mann-Kendall, classify using heuristic rules bit.ly/2O79Uyu Tool: ArcGIS
Usecase: Detecting and classifying trends in water leaks Data: Point data, leak time and location Method: Gettis-Ord local Gi* to obtain time series of hotspot z-scores, test for trends using Mann-Kendall, classify using heuristic rules bit.ly/2O79Uyu Tool: ArcGIS
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