diff --git a/frontend/package.json b/frontend/package.json
index ea4576c..03a7071 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -23,6 +23,7 @@
     "typescript": "^3.9.3"
   },
   "dependencies": {
+    "@types/d3": "^5.7.2",
     "d3": "^6.2.0",
     "sigma": "1.2.1",
     "sirv-cli": "^1.0.0"
diff --git a/frontend/src/Graph.svelte b/frontend/src/Graph.svelte
index 0d910c6..eb243f1 100644
--- a/frontend/src/Graph.svelte
+++ b/frontend/src/Graph.svelte
@@ -1,7 +1,7 @@
-<script>
+<script type="ts">
   import { onMount } from "svelte";
   import * as d3 from "d3";
-  
+
   onMount(async () => {
     // set the dimensions and margins of the graph
     var margin = { top: 10, right: 30, bottom: 30, left: 40 },
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 5e7465f..73e4179 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -86,6 +86,227 @@
   resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
   integrity sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==
 
+"@types/d3-array@*":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-array/-/d3-array-2.0.0.tgz#a0d63a296a2d8435a9ec59393dcac746c6174a96"
+  integrity sha512-rGqfPVowNDTszSFvwoZIXvrPG7s/qKzm9piCRIH6xwTTRu7pPZ3ootULFnPkTt74B6i5lN0FpLQL24qGOw1uZA==
+
+"@types/d3-array@^1":
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/@types/d3-array/-/d3-array-1.2.7.tgz#34dc654d34fc058c41c31dbca1ed68071a8fcc17"
+  integrity sha512-51vHWuUyDOi+8XuwPrTw3cFqyh2Slg9y8COYkRfjCPG9TfYqY0hoNPzv/8BrcAy0FeQBzqEo/D/8Nk2caOQJnA==
+
+"@types/d3-axis@*":
+  version "1.0.12"
+  resolved "https://registry.yarnpkg.com/@types/d3-axis/-/d3-axis-1.0.12.tgz#8c124edfcc02f3b3a9cdaa2a28b8a20341401799"
+  integrity sha512-BZISgSD5M8TgURyNtcPAmUB9sk490CO1Thb6/gIn0WZTt3Y50IssX+2Z0vTccoqZksUDTep0b+o4ofXslvNbqg==
+  dependencies:
+    "@types/d3-selection" "*"
+
+"@types/d3-brush@*":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-brush/-/d3-brush-1.1.1.tgz#906875ce42db22fc9cde6d1fb2808f17ecd2ea93"
+  integrity sha512-Exx14trm/q2cskHyMjCrdDllOQ35r1/pmZXaOIt8bBHwYNk722vWY3VxHvN0jdFFX7p2iL3+gD+cGny/aEmhlw==
+  dependencies:
+    "@types/d3-selection" "*"
+
+"@types/d3-chord@*":
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/@types/d3-chord/-/d3-chord-1.0.9.tgz#ccc5de03ff079025491b7aa6b750670a140b45ae"
+  integrity sha512-UA6lI9CVW5cT5Ku/RV4hxoFn4mKySHm7HEgodtfRthAj1lt9rKZEPon58vyYfk+HIAm33DtJJgZwMXy2QgyPXw==
+
+"@types/d3-collection@*":
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/@types/d3-collection/-/d3-collection-1.0.8.tgz#aa9552c570a96e33c132e0fd20e331f64baa9dd5"
+  integrity sha512-y5lGlazdc0HNO0F3UUX2DPE7OmYvd9Kcym4hXwrJcNUkDaypR5pX+apuMikl9LfTxKItJsY9KYvzBulpCKyvuQ==
+
+"@types/d3-color@*":
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/@types/d3-color/-/d3-color-1.2.2.tgz#80cf7cfff7401587b8f89307ba36fe4a576bc7cf"
+  integrity sha512-6pBxzJ8ZP3dYEQ4YjQ+NVbQaOflfgXq/JbDiS99oLobM2o72uAST4q6yPxHv6FOTCRC/n35ktuo8pvw/S4M7sw==
+
+"@types/d3-contour@*":
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-contour/-/d3-contour-1.3.0.tgz#1a408b121fa5e341f715e3055303ef3079fc7eb0"
+  integrity sha512-AUCUIjEnC5lCGBM9hS+MryRaFLIrPls4Rbv6ktqbd+TK/RXZPwOy9rtBWmGpbeXcSOYCJTUDwNJuEnmYPJRxHQ==
+  dependencies:
+    "@types/d3-array" "*"
+    "@types/geojson" "*"
+
+"@types/d3-dispatch@*":
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/@types/d3-dispatch/-/d3-dispatch-1.0.8.tgz#eaeb2ad089d6a0d2685dfa2f2cbbfb7509aae014"
+  integrity sha512-lCDtqoYez0TgFN3FljBXrz2icqeSzD0gufGook6DPBia+NOh2TBfogjHIsmNa/a+ZOewlHtq4cgLY80O1uLymw==
+
+"@types/d3-drag@*":
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@types/d3-drag/-/d3-drag-1.2.3.tgz#d8ddccca28e939e9c689bea6f40a937e48c39051"
+  integrity sha512-rWB5SPvkYVxW3sqUxHOJUZwifD0KqvKwvt1bhNqcLpW6Azsd0BJgRNcyVW8GAferaAk5r8dzeZnf9zKlg9+xMQ==
+  dependencies:
+    "@types/d3-selection" "*"
+
+"@types/d3-dsv@*":
+  version "1.0.36"
+  resolved "https://registry.yarnpkg.com/@types/d3-dsv/-/d3-dsv-1.0.36.tgz#e91129d7c02b1b814838d001e921e8b9a67153d0"
+  integrity sha512-jbIWQ27QJcBNMZbQv0NSQMHnBDCmxghAxePxgyiPH1XPCRkOsTBei7jcdi3fDrUCGpCV3lKrSZFSlOkhUQVClA==
+
+"@types/d3-ease@*":
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/@types/d3-ease/-/d3-ease-1.0.9.tgz#1dd849bd7edef6426e915e220ed9970db5ea4e04"
+  integrity sha512-U5ADevQ+W6fy32FVZZC9EXallcV/Mi12A5Tkd0My5MrC7T8soMQEhlDAg88XUWm0zoCQlB4XV0en/24LvuDB4Q==
+
+"@types/d3-fetch@*":
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/@types/d3-fetch/-/d3-fetch-1.1.5.tgz#51601f79dd4653b5d84e6a3176d78145e065db5e"
+  integrity sha512-o9c0ItT5/Gl3wbNuVpzRnYX1t3RghzeWAjHUVLuyZJudiTxC4f/fC0ZPFWLQ2lVY8pAMmxpV8TJ6ETYCgPeI3A==
+  dependencies:
+    "@types/d3-dsv" "*"
+
+"@types/d3-force@*":
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-force/-/d3-force-1.2.1.tgz#c28803ea36fe29788db69efa0ad6c2dc09544e83"
+  integrity sha512-jqK+I36uz4kTBjyk39meed5y31Ab+tXYN/x1dn3nZEus9yOHCLc+VrcIYLc/aSQ0Y7tMPRlIhLetulME76EiiA==
+
+"@types/d3-format@*":
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-format/-/d3-format-1.3.1.tgz#35bf88264bd6bcda39251165bb827f67879c4384"
+  integrity sha512-KAWvReOKMDreaAwOjdfQMm0HjcUMlQG47GwqdVKgmm20vTd2pucj0a70c3gUSHrnsmo6H2AMrkBsZU2UhJLq8A==
+
+"@types/d3-geo@*":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-geo/-/d3-geo-1.11.1.tgz#e96ec91f16221d87507fec66b2cc889f52d2493e"
+  integrity sha512-Ox8WWOG3igDRoep/dNsGbOiSJYdUG3ew/6z0ETvHyAtXZVBjOE0S96zSSmzgl0gqQ3RdZjn2eeJOj9oRcMZPkQ==
+  dependencies:
+    "@types/geojson" "*"
+
+"@types/d3-hierarchy@*":
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/@types/d3-hierarchy/-/d3-hierarchy-1.1.6.tgz#4c017521900813ea524c9ecb8d7985ec26a9ad9a"
+  integrity sha512-vvSaIDf/Ov0o3KwMT+1M8+WbnnlRiGjlGD5uvk83a1mPCTd/E5x12bUJ/oP55+wUY/4Kb5kc67rVpVGJ2KUHxg==
+
+"@types/d3-interpolate@*":
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-interpolate/-/d3-interpolate-1.3.1.tgz#1c280511f622de9b0b47d463fa55f9a4fd6f5fc8"
+  integrity sha512-z8Zmi08XVwe8e62vP6wcA+CNuRhpuUU5XPEfqpG0hRypDE5BWNthQHB1UNWWDB7ojCbGaN4qBdsWp5kWxhT1IQ==
+  dependencies:
+    "@types/d3-color" "*"
+
+"@types/d3-path@*":
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/@types/d3-path/-/d3-path-1.0.8.tgz#48e6945a8ff43ee0a1ce85c8cfa2337de85c7c79"
+  integrity sha512-AZGHWslq/oApTAHu9+yH/Bnk63y9oFOMROtqPAtxl5uB6qm1x2lueWdVEjsjjV3Qc2+QfuzKIwIR5MvVBakfzA==
+
+"@types/d3-polygon@*":
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/@types/d3-polygon/-/d3-polygon-1.0.7.tgz#7b3947aa2d48287ff535230d3d396668ab17bfdf"
+  integrity sha512-Xuw0eSjQQKs8jTiNbntWH0S+Xp+JyhqxmQ0YAQ3rDu6c3kKMFfgsaGN7Jv5u3zG6yVX/AsLP/Xs/QRjmi9g43Q==
+
+"@types/d3-quadtree@*":
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/@types/d3-quadtree/-/d3-quadtree-1.0.7.tgz#8e29464ff5b326f6612c1428d9362b4b35de2b70"
+  integrity sha512-0ajFawWicfjsaCLh6NzxOyVDYhQAmMFbsiI3MPGLInorauHFEh9/Cl6UHNf+kt/J1jfoxKY/ZJaKAoDpbvde5Q==
+
+"@types/d3-random@*":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@types/d3-random/-/d3-random-1.1.2.tgz#6f77e8b7bb64ac393f92d33fe8f71038bc4f3cde"
+  integrity sha512-Jui+Zn28pQw/3EayPKaN4c/PqTvqNbIPjHkgIIFnxne1FdwNjfHtAIsZIBMKlquQNrrMjFzCrlF2gPs3xckqaA==
+
+"@types/d3-scale-chromatic@*":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-scale-chromatic/-/d3-scale-chromatic-1.5.0.tgz#315367557d51b823bec848614fac095325613fc3"
+  integrity sha512-9/D7cOBKdZdTCPc6re0HeSUFBM0aFzdNdmYggUWT9SRRiYSOa6Ys2xdTwHKgc1WS3gGfwTMatBOdWCS863REsg==
+
+"@types/d3-scale@*":
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-scale/-/d3-scale-2.2.0.tgz#e5987a2857365823eb26ed5eb21bc566c4dcf1c0"
+  integrity sha512-oQFanN0/PiR2oySHfj+zAAkK1/p4LD32Nt1TMVmzk+bYHk7vgIg/iTXQWitp1cIkDw4LMdcgvO63wL+mNs47YA==
+  dependencies:
+    "@types/d3-time" "*"
+
+"@types/d3-selection@*":
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/@types/d3-selection/-/d3-selection-1.4.2.tgz#72dcd61a3aeb9ce3e8d443e3bef7685ffea3413f"
+  integrity sha512-ksY8UxvTXpzD91Dy3D9zZg98yF2ZEPMKJd8ZQJlZt1QH3Xxr08s6fESEdC2l0Kbe6Xd9VhaoJX06cRaMR1lEnA==
+
+"@types/d3-shape@*":
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/@types/d3-shape/-/d3-shape-1.3.2.tgz#a41d9d6b10d02e221696b240caf0b5d0f5a588ec"
+  integrity sha512-LtD8EaNYCaBRzHzaAiIPrfcL3DdIysc81dkGlQvv7WQP3+YXV7b0JJTtR1U3bzeRieS603KF4wUo+ZkJVenh8w==
+  dependencies:
+    "@types/d3-path" "*"
+
+"@types/d3-time-format@*":
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-time-format/-/d3-time-format-2.1.1.tgz#dd2c79ec4575f1355484ab6b10407824668eba42"
+  integrity sha512-tJSyXta8ZyJ52wDDHA96JEsvkbL6jl7wowGmuf45+fAkj5Y+SQOnz0N7/H68OWmPshPsAaWMQh+GAws44IzH3g==
+
+"@types/d3-time@*":
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/@types/d3-time/-/d3-time-1.0.10.tgz#d338c7feac93a98a32aac875d1100f92c7b61f4f"
+  integrity sha512-aKf62rRQafDQmSiv1NylKhIMmznsjRN+MnXRXTqHoqm0U/UZzVpdrtRnSIfdiLS616OuC1soYeX1dBg2n1u8Xw==
+
+"@types/d3-timer@*":
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/@types/d3-timer/-/d3-timer-1.0.9.tgz#aed1bde0cf18920d33f5d44839d73de393633fd3"
+  integrity sha512-WvfJ3LFxBbWjqRGz9n7GJt08RrTHPJDVsIwwoCMROlqF+iDacYiAFjf9oqnq0mXpb2juA2N/qjKP+MKdal3YNQ==
+
+"@types/d3-transition@*":
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/@types/d3-transition/-/d3-transition-1.1.6.tgz#7e52da29749d874866cc803fad13925713a372da"
+  integrity sha512-/F+O2r4oz4G9ATIH3cuSCMGphAnl7VDx7SbENEK0NlI/FE8Jx2oiIrv0uTrpg7yF/AmuWbqp7AGdEHAPIh24Gg==
+  dependencies:
+    "@types/d3-selection" "*"
+
+"@types/d3-voronoi@*":
+  version "1.1.9"
+  resolved "https://registry.yarnpkg.com/@types/d3-voronoi/-/d3-voronoi-1.1.9.tgz#7bbc210818a3a5c5e0bafb051420df206617c9e5"
+  integrity sha512-DExNQkaHd1F3dFPvGA/Aw2NGyjMln6E9QzsiqOcBgnE+VInYnFBHBBySbZQts6z6xD+5jTfKCP7M4OqMyVjdwQ==
+
+"@types/d3-zoom@*":
+  version "1.7.5"
+  resolved "https://registry.yarnpkg.com/@types/d3-zoom/-/d3-zoom-1.7.5.tgz#1fd7f3497a10f8cfaaefcf2f879767ec775fc3a3"
+  integrity sha512-G0lpZjlvmv+fI2/dg2whWFbUUmMC3dy4xoeaGOXnaUmOSnms1q9QtlkRq5MXZt1/7LcKwzgmKdEjPVLVq5dH5Q==
+  dependencies:
+    "@types/d3-interpolate" "*"
+    "@types/d3-selection" "*"
+
+"@types/d3@^5.7.2":
+  version "5.7.2"
+  resolved "https://registry.yarnpkg.com/@types/d3/-/d3-5.7.2.tgz#52235eb71a1d3ca171d6dca52a58f5ccbe0254cc"
+  integrity sha512-7/wClB8ycneWGy3jdvLfXKTd5SoTg9hji7IdJ0RuO9xTY54YpJ8zlcFADcXhY1J3kCBwxp+/1jeN6a5OMwgYOw==
+  dependencies:
+    "@types/d3-array" "^1"
+    "@types/d3-axis" "*"
+    "@types/d3-brush" "*"
+    "@types/d3-chord" "*"
+    "@types/d3-collection" "*"
+    "@types/d3-color" "*"
+    "@types/d3-contour" "*"
+    "@types/d3-dispatch" "*"
+    "@types/d3-drag" "*"
+    "@types/d3-dsv" "*"
+    "@types/d3-ease" "*"
+    "@types/d3-fetch" "*"
+    "@types/d3-force" "*"
+    "@types/d3-format" "*"
+    "@types/d3-geo" "*"
+    "@types/d3-hierarchy" "*"
+    "@types/d3-interpolate" "*"
+    "@types/d3-path" "*"
+    "@types/d3-polygon" "*"
+    "@types/d3-quadtree" "*"
+    "@types/d3-random" "*"
+    "@types/d3-scale" "*"
+    "@types/d3-scale-chromatic" "*"
+    "@types/d3-selection" "*"
+    "@types/d3-shape" "*"
+    "@types/d3-time" "*"
+    "@types/d3-time-format" "*"
+    "@types/d3-timer" "*"
+    "@types/d3-transition" "*"
+    "@types/d3-voronoi" "*"
+    "@types/d3-zoom" "*"
+
 "@types/estree@*":
   version "0.0.45"
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.45.tgz#e9387572998e5ecdac221950dab3e8c3b16af884"
@@ -96,6 +317,11 @@
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
   integrity sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==
 
+"@types/geojson@*":
+  version "7946.0.7"
+  resolved "https://registry.yarnpkg.com/@types/geojson/-/geojson-7946.0.7.tgz#c8fa532b60a0042219cdf173ca21a975ef0666ad"
+  integrity sha512-wE2v81i4C4Ol09RtsWFAqg3BUitWbHSpSlIo+bNdsCJijO9sjme+zm+73ZMCa/qMC8UEERxzGbvmr1cffo2SiQ==
+
 "@types/node@*":
   version "14.11.2"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.11.2.tgz#2de1ed6670439387da1c9f549a2ade2b0a799256"