pseudo-code.md

+### Pseudo-code of Entity-Initializer
+
+```
+if country is not complete:
+    geoms = get_settlement_layer_geoms()
+    for geom in geoms:
+        area = calculate_area(geom)
+        quadkey = get_quadkey(geom)
+        insert_tile_entity(geom, area, quadkey)
+
+for building_dataset in building_datasets:
+    source_id = get_source_id(building_dataset)
+    for building_id, geom in building_dataset:
+        intersect_flag = intersect_with_other_source(geom, source_id)
+        quadkey, attributes, taxonomy = run_rabotnik_rules(building_id, geom)
+        if not intersect_flag:
+          insert_building_entity(building_id, geom, quadkey, attributes, taxonomy)
+        if intersect_flag:
+          update_intersecting_buildings(geom, attributes, taxonomy)
+```
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