diff --git a/visualization/closeness-graph.html b/visualization/closeness-graph.html
deleted file mode 100644
index 5b84ddf..0000000
--- a/visualization/closeness-graph.html
+++ /dev/null
@@ -1,80 +0,0 @@
-<html>
-<head>
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis.css" type="text/css" />
-<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis-network.min.js"> </script>
-<center>
-<h1></h1>
-</center>
-
-<!-- <link rel="stylesheet" href="../node_modules/vis/dist/vis.min.css" type="text/css" />
-<script type="text/javascript" src="../node_modules/vis/dist/vis.js"> </script>-->
-
-<style type="text/css">
-
-        #mynetwork {
-            width: 100%;
-            height: 100%;
-            background-color: #1e1f29;
-            border: 1px solid lightgray;
-            position: relative;
-            float: left;
-        }
-
-        
-
-        
-
-        
-</style>
-
-</head>
-
-<body>
-<div id = "mynetwork"></div>
-
-
-<script type="text/javascript">
-
-    // initialize global variables.
-    var edges;
-    var nodes;
-    var network; 
-    var container;
-    var options, data;
-
-    
-    // This method is responsible for drawing the graph, returns the drawn network
-    function drawGraph() {
-        var container = document.getElementById('mynetwork');
-        
-        
-
-        // parsing and collecting nodes and edges from the python
-        nodes = new vis.DataSet([{"font": {"color": "white"}, "id": 18, "label": "Kirk Douglas\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 24, "label": "John Gielgud\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 32, "label": "Charlton Heston\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 47, "label": "Sophia Loren\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 51, "label": "James Mason\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 52, "label": "Marcello Mastroianni\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 53, "label": "Robert Mitchum\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 57, "label": "David Niven\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 59, "label": "Laurence Olivier\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 63, "label": "Anthony Quinn\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 78, "label": "John Wayne\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 112, "label": "Pierce Brosnan\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 125, "label": "Sean Connery\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 172, "label": "Harvey Keitel\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 302, "label": "Jacqueline Bisset\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 308, "label": "Ernest Borgnine\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 323, "label": "Michael Caine\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 348, "label": "Tony Curtis\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 366, "label": "Catherine Deneuve\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 367, "label": "G\u00e9rard Depardieu\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 442, "label": "Rutger Hauer\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 454, "label": "Dennis Hopper\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 457, "label": "John Hurt\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 483, "label": "Christopher Lambert\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 489, "label": "Christopher Lee\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 514, "label": "Michael Madsen\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 532, "label": "Malcolm McDowell\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 554, "label": "Sam Neill\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 564, "label": "Peter O\u0027Toole\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 587, "label": "Donald Pleasence\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 603, "label": "Vanessa Redgrave\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 616, "label": "Eric Roberts\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 627, "label": "Greta Scacchi\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 661, "label": "Donald Sutherland\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 728, "label": "Mario Adorf\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 734, "label": "Eddie Albert\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 800, "label": "Armand Assante\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 842, "label": "Martin Balsam\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 919, "label": "Senta Berger\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1012, "label": "Claudia Cardinale\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1016, "label": "David Carradine\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1036, "label": "Geraldine Chaplin\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1128, "label": "Alain Delon\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1159, "label": "Faye Dunaway\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1207, "label": "Jos\u00e9 Ferrer\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1262, "label": "Ben Gazzara\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1285, "label": "Elliott Gould\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1417, "label": "Brian Keith\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1421, "label": "George Kennedy\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1424, "label": "Udo Kier\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1426, "label": "Ben Kingsley\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1428, "label": "Klaus Kinski\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1626, "label": "Christopher Plummer\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1638, "label": "J\u00fcrgen Prochnow\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1648, "label": "Charlotte Rampling\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1657, "label": "Oliver Reed\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1673, "label": "Jason Robards\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1698, "label": "John Savage\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1703, "label": "Maximilian Schell\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1725, "label": "Omar Sharif\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1768, "label": "Rod Steiger\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1811, "label": "Peter Ustinov\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1868, "label": "Michael York\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1884, "label": "Max von Sydow\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1934, "label": "Kabir Bedi\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 1954, "label": "Claire Bloom\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 2027, "label": "Ben Cross\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 2094, "label": "Vittorio Gassman\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 2145, "label": "Trevor Howard\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 4051, "label": "Brian Cox\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 4486, "label": "Bruno Ganz\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 5078, "label": "Stacy Keach\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 5412, "label": "Jane Seymour\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 6573, "label": "Philippe Leroy\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 7042, "label": "Herbert Lom\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 40545, "label": "F\u00e9odor Atkine\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 106387, "label": "Rossano Brazzi\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 140649, "label": "Mathieu Carri\u00e8re\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 148041, "label": "Adolfo Celi\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 181305, "label": "Valentina Cortese\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 312575, "label": "Giuliano Gemma\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 320760, "label": "Annie Girardot\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 362735, "label": "Robert Hardy\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 432007, "label": "Curd J\u00fcrgens\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 473228, "label": "Hardy Kr\u00fcger\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 514059, "label": "Virna Lisi\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 516215, "label": "Tony Lo Bianco\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 538683, "label": "Mako\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 596807, "label": "\u00c1ngela Molina\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 601377, "label": "Fabio Testi\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 603402, "label": "Jeanne Moreau\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 626259, "label": "Franco Nero\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 660327, "label": "Irene Papas\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 670964, "label": "Raymond Pellegrin\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 681566, "label": "Michel Piccoli\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 704719, "label": "Francisco Rabal\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 721073, "label": "Fernando Rey\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 722636, "label": "John Rhys-Davies\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 768334, "label": "John Saxon\n", "shape": "dot"}, {"font": {"color": "white"}, "id": 908919, "label": "Eli Wallach\n", "shape": "dot"}]);
-        edges = new vis.DataSet([{"from": 564, "to": 627}, {"from": 308, "to": 312575}, {"from": 51, "to": 1673}, {"from": 59, "to": 302}, {"from": 734, "to": 1285}, {"from": 473228, "to": 670964}, {"from": 1703, "to": 660327}, {"from": 442, "to": 457}, {"from": 728, "to": 514059}, {"from": 489, "to": 1868}, {"from": 24, "to": 627}, {"from": 63, "to": 5412}, {"from": 728, "to": 1884}, {"from": 59, "to": 603}, {"from": 63, "to": 564}, {"from": 564, "to": 603402}, {"from": 457, "to": 603}, {"from": 1285, "to": 2094}, {"from": 312575, "to": 601377}, {"from": 532, "to": 1698}, {"from": 514, "to": 1421}, {"from": 52, "to": 514059}, {"from": 323, "to": 1426}, {"from": 1036, "to": 1884}, {"from": 1648, "to": 681566}, {"from": 302, "to": 660327}, {"from": 125, "to": 1954}, {"from": 2027, "to": 106387}, {"from": 51, "to": 660327}, {"from": 367, "to": 6573}, {"from": 442, "to": 587}, {"from": 47, "to": 57}, {"from": 51, "to": 1012}, {"from": 323, "to": 7042}, {"from": 52, "to": 172}, {"from": 308, "to": 1428}, {"from": 1657, "to": 7042}, {"from": 51, "to": 603}, {"from": 514, "to": 5078}, {"from": 1428, "to": 626259}, {"from": 2094, "to": 148041}, {"from": 489, "to": 320760}, {"from": 919, "to": 2094}, {"from": 532, "to": 1657}, {"from": 112, "to": 1638}, {"from": 489, "to": 1207}, {"from": 5078, "to": 514059}, {"from": 564, "to": 1884}, {"from": 473228, "to": 704719}, {"from": 51, "to": 2027}, {"from": 432007, "to": 670964}, {"from": 52, "to": 302}, {"from": 51, "to": 59}, {"from": 148041, "to": 181305}, {"from": 1657, "to": 660327}, {"from": 1725, "to": 1934}, {"from": 603, "to": 661}, {"from": 47, "to": 106387}, {"from": 53, "to": 1417}, {"from": 2027, "to": 908919}, {"from": 616, "to": 1036}, {"from": 514, "to": 1016}, {"from": 1426, "to": 1884}, {"from": 312575, "to": 704719}, {"from": 616, "to": 627}, {"from": 47, "to": 52}, {"from": 728, "to": 181305}, {"from": 800, "to": 5412}, {"from": 1012, "to": 1768}, {"from": 18, "to": 919}, {"from": 59, "to": 63}, {"from": 489, "to": 106387}, {"from": 514, "to": 616}, {"from": 53, "to": 7042}, {"from": 919, "to": 312575}, {"from": 32, "to": 603}, {"from": 1036, "to": 181305}, {"from": 47, "to": 564}, {"from": 52, "to": 181305}, {"from": 603, "to": 1703}, {"from": 302, "to": 454}, {"from": 1428, "to": 148041}, {"from": 63, "to": 514059}, {"from": 1626, "to": 1703}, {"from": 59, "to": 1725}, {"from": 51, "to": 1128}, {"from": 489, "to": 564}, {"from": 1012, "to": 603402}, {"from": 366, "to": 320760}, {"from": 52, "to": 2094}, {"from": 1128, "to": 704719}, {"from": 367, "to": 1868}, {"from": 51, "to": 63}, {"from": 32, "to": 59}, {"from": 47, "to": 908919}, {"from": 63, "to": 172}, {"from": 53, "to": 1421}, {"from": 1036, "to": 362735}, {"from": 587, "to": 2145}, {"from": 1016, "to": 626259}, {"from": 181305, "to": 768334}, {"from": 172, "to": 554}, {"from": 454, "to": 704719}, {"from": 1417, "to": 1421}, {"from": 627, "to": 1638}, {"from": 1811, "to": 432007}, {"from": 661, "to": 1285}, {"from": 24, "to": 603}, {"from": 53, "to": 5078}, {"from": 18, "to": 1673}, {"from": 52, "to": 1159}, {"from": 2145, "to": 721073}, {"from": 47, "to": 2145}, {"from": 1626, "to": 1698}, {"from": 323, "to": 1811}, {"from": 32, "to": 454}, {"from": 308, "to": 1768}, {"from": 24, "to": 32}, {"from": 454, "to": 473228}, {"from": 1426, "to": 2027}, {"from": 1648, "to": 1811}, {"from": 302, "to": 1626}, {"from": 442, "to": 554}, {"from": 661, "to": 1159}, {"from": 51, "to": 1626}, {"from": 442, "to": 1884}, {"from": 24, "to": 59}, {"from": 51, "to": 323}, {"from": 53, "to": 1016}, {"from": 125, "to": 148041}, {"from": 47, "to": 51}, {"from": 1036, "to": 1725}, {"from": 1428, "to": 1673}, {"from": 323, "to": 1285}, {"from": 125, "to": 483}, {"from": 308, "to": 348}, {"from": 18, "to": 660327}, {"from": 626259, "to": 670964}, {"from": 1703, "to": 1868}, {"from": 1626, "to": 1657}, {"from": 1428, "to": 7042}, {"from": 32, "to": 1725}, {"from": 1698, "to": 5078}, {"from": 47, "to": 1884}, {"from": 1768, "to": 908919}, {"from": 919, "to": 601377}, {"from": 5412, "to": 721073}, {"from": 842, "to": 626259}, {"from": 616, "to": 660327}, {"from": 4486, "to": 596807}, {"from": 312575, "to": 660327}, {"from": 53, "to": 1811}, {"from": 63, "to": 800}, {"from": 2145, "to": 7042}, {"from": 454, "to": 514}, {"from": 78, "to": 919}, {"from": 302, "to": 1868}, {"from": 564, "to": 1725}, {"from": 51, "to": 1868}, {"from": 454, "to": 532}, {"from": 348, "to": 1417}, {"from": 78, "to": 473228}, {"from": 454, "to": 1426}, {"from": 734, "to": 2145}, {"from": 366, "to": 603402}, {"from": 308, "to": 734}, {"from": 1638, "to": 1868}, {"from": 57, "to": 734}, {"from": 1768, "to": 2145}, {"from": 51, "to": 626259}, {"from": 1012, "to": 181305}, {"from": 1285, "to": 1768}, {"from": 1426, "to": 6573}, {"from": 442, "to": 661}, {"from": 1725, "to": 1811}, {"from": 1638, "to": 626259}, {"from": 1673, "to": 473228}, {"from": 148041, "to": 626259}, {"from": 1128, "to": 1421}, {"from": 367, "to": 681566}, {"from": 704719, "to": 721073}, {"from": 1421, "to": 1884}, {"from": 18, "to": 1016}, {"from": 1159, "to": 1884}, {"from": 842, "to": 704719}, {"from": 1673, "to": 5412}, {"from": 1207, "to": 1421}, {"from": 1657, "to": 1868}, {"from": 1768, "to": 514059}, {"from": 734, "to": 1884}, {"from": 1285, "to": 2145}, {"from": 2145, "to": 5078}, {"from": 483, "to": 1884}, {"from": 52, "to": 367}, {"from": 2094, "to": 6573}, {"from": 348, "to": 1421}, {"from": 366, "to": 1884}, {"from": 489, "to": 661}, {"from": 348, "to": 1012}, {"from": 2145, "to": 516215}, {"from": 63, "to": 489}, {"from": 47, "to": 2094}, {"from": 1703, "to": 5412}, {"from": 172, "to": 6573}, {"from": 323, "to": 457}, {"from": 47, "to": 800}, {"from": 63, "to": 1657}, {"from": 47, "to": 1703}, {"from": 554, "to": 1638}, {"from": 1262, "to": 626259}, {"from": 457, "to": 564}, {"from": 919, "to": 768334}, {"from": 51, "to": 473228}, {"from": 1285, "to": 1884}, {"from": 603, "to": 1768}, {"from": 1012, "to": 1698}, {"from": 1016, "to": 1421}, {"from": 1626, "to": 1768}, {"from": 1012, "to": 6573}, {"from": 1012, "to": 1725}, {"from": 53, "to": 1648}, {"from": 661, "to": 1638}, {"from": 728, "to": 148041}, {"from": 323, "to": 587}, {"from": 1426, "to": 1868}, {"from": 57, "to": 59}, {"from": 554, "to": 627}, {"from": 800, "to": 1424}, {"from": 24, "to": 1868}, {"from": 172, "to": 1428}, {"from": 78, "to": 1421}, {"from": 1036, "to": 596807}, {"from": 442, "to": 1725}, {"from": 728, "to": 919}, {"from": 78, "to": 1012}, {"from": 18, "to": 1626}, {"from": 1016, "to": 5078}, {"from": 454, "to": 616}, {"from": 125, "to": 2027}, {"from": 348, "to": 616}, {"from": 800, "to": 1698}, {"from": 514, "to": 908919}, {"from": 6573, "to": 514059}, {"from": 489, "to": 312575}, {"from": 842, "to": 1673}, {"from": 919, "to": 1884}, {"from": 1657, "to": 106387}, {"from": 1626, "to": 2145}, {"from": 1012, "to": 1428}, {"from": 603, "to": 842}, {"from": 1207, "to": 1811}, {"from": 1424, "to": 1638}, {"from": 514059, "to": 721073}, {"from": 18, "to": 1262}, {"from": 454, "to": 1811}, {"from": 489, "to": 1262}, {"from": 1638, "to": 908919}, {"from": 323, "to": 5412}, {"from": 348, "to": 1811}, {"from": 1657, "to": 721073}, {"from": 302, "to": 1426}, {"from": 366, "to": 2094}, {"from": 601377, "to": 670964}, {"from": 1811, "to": 1934}, {"from": 51, "to": 532}, {"from": 52, "to": 366}, {"from": 148041, "to": 681566}, {"from": 2094, "to": 626259}, {"from": 57, "to": 63}, {"from": 800, "to": 1428}, {"from": 18, "to": 53}, {"from": 51, "to": 7042}, {"from": 601377, "to": 626259}, {"from": 106387, "to": 768334}, {"from": 514059, "to": 908919}, {"from": 172, "to": 367}, {"from": 842, "to": 1421}, {"from": 59, "to": 1012}, {"from": 1626, "to": 1884}, {"from": 367, "to": 1128}, {"from": 1884, "to": 2027}, {"from": 1657, "to": 908919}, {"from": 489, "to": 1648}, {"from": 473228, "to": 626259}, {"from": 1934, "to": 514059}, {"from": 734, "to": 432007}, {"from": 1012, "to": 601377}, {"from": 1012, "to": 670964}, {"from": 489, 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587}, {"from": 1036, "to": 660327}, {"from": 63, "to": 842}, {"from": 2094, "to": 721073}, {"from": 1012, "to": 704719}, {"from": 1207, "to": 1657}, {"from": 1016, "to": 538683}, {"from": 1016, "to": 1424}, {"from": 1673, "to": 1703}, {"from": 148041, "to": 516215}, {"from": 32, "to": 1421}, {"from": 457, "to": 661}, {"from": 1285, "to": 1725}, {"from": 800, "to": 1638}, {"from": 1703, "to": 1811}, {"from": 24, "to": 1426}, {"from": 442, "to": 1036}, {"from": 53, "to": 603402}, {"from": 1012, "to": 148041}, {"from": 1725, "to": 908919}, {"from": 1648, "to": 1884}, {"from": 24, "to": 1673}, {"from": 320760, "to": 681566}, {"from": 53, "to": 2145}, {"from": 57, "to": 1868}, {"from": 1128, "to": 320760}, {"from": 53, "to": 842}, {"from": 18, "to": 308}, {"from": 172, "to": 366}, {"from": 24, "to": 7042}, {"from": 308, "to": 626259}, {"from": 63, "to": 78}, {"from": 489, "to": 1638}, {"from": 32, "to": 5078}, {"from": 442, "to": 483}, {"from": 454, "to": 457}, {"from": 106387, "to": 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{"from": 1626, "to": 7042}, {"from": 5078, "to": 5412}, {"from": 587, "to": 670964}, {"from": 483, "to": 728}, {"from": 514059, "to": 603402}, {"from": 32, "to": 47}, {"from": 1012, "to": 626259}, {"from": 587, "to": 1868}, {"from": 5412, "to": 362735}, {"from": 442, "to": 1868}, {"from": 1811, "to": 7042}, {"from": 367, "to": 800}, {"from": 516215, "to": 722636}, {"from": 51, "to": 554}, {"from": 1428, "to": 1657}, {"from": 366, "to": 6573}, {"from": 323, "to": 1934}, {"from": 661, "to": 1673}, {"from": 603, "to": 660327}, {"from": 24, "to": 564}, {"from": 564, "to": 908919}, {"from": 1638, "to": 140649}, {"from": 63, "to": 473228}, {"from": 532, "to": 1626}, {"from": 454, "to": 1725}, {"from": 2094, "to": 106387}, {"from": 800, "to": 626259}, {"from": 32, "to": 842}, {"from": 308, "to": 1262}, {"from": 1012, "to": 320760}, {"from": 57, "to": 1262}, {"from": 564, "to": 722636}, {"from": 734, "to": 1626}, {"from": 5078, "to": 722636}, {"from": 1417, "to": 1768}, {"from": 1657, "to": 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483}, {"from": 1036, "to": 1424}, {"from": 564, "to": 800}, {"from": 1036, "to": 538683}, {"from": 57, "to": 908919}, {"from": 596807, "to": 704719}, {"from": 489, "to": 7042}, {"from": 587, "to": 1012}, {"from": 728, "to": 1954}, {"from": 661, "to": 1626}, {"from": 366, "to": 721073}, {"from": 432007, "to": 768334}, {"from": 800, "to": 660327}, {"from": 2027, "to": 516215}, {"from": 323, "to": 1725}, {"from": 532, "to": 908919}, {"from": 63, "to": 1128}, {"from": 1421, "to": 908919}, {"from": 53, "to": 362735}, {"from": 1159, "to": 908919}, {"from": 32, "to": 1698}, {"from": 47, "to": 1421}, {"from": 1725, "to": 2027}, {"from": 1884, "to": 106387}, {"from": 603, "to": 1657}, {"from": 564, "to": 1159}, {"from": 564, "to": 432007}, {"from": 1128, "to": 514059}, {"from": 2094, "to": 181305}, {"from": 489, "to": 660327}, {"from": 57, "to": 2145}, {"from": 1673, "to": 4051}, {"from": 587, "to": 516215}, {"from": 1698, "to": 2027}, {"from": 596807, "to": 721073}, {"from": 366, "to": 681566}, {"from": 1725, "to": 362735}, {"from": 323, "to": 1626}, {"from": 800, "to": 2027}, {"from": 1036, "to": 1657}, {"from": 489, "to": 603}, {"from": 125, "to": 2145}, {"from": 52, "to": 1657}, {"from": 24, "to": 1159}, {"from": 302, "to": 601377}, {"from": 348, "to": 734}, {"from": 51, "to": 670964}, {"from": 125, "to": 842}, {"from": 1868, "to": 5412}, {"from": 6573, "to": 106387}, {"from": 442, "to": 616}, {"from": 302, "to": 367}, {"from": 1954, "to": 4051}, {"from": 1673, "to": 148041}, {"from": 489, "to": 2027}, {"from": 18, "to": 59}, {"from": 7042, "to": 432007}, {"from": 57, "to": 514059}, {"from": 1884, "to": 908919}, {"from": 112, "to": 1811}, {"from": 457, "to": 4051}, {"from": 4486, "to": 603402}, {"from": 596807, "to": 681566}, {"from": 919, "to": 1638}, {"from": 24, "to": 1954}, {"from": 63, "to": 323}, {"from": 125, "to": 554}, {"from": 1012, "to": 2094}, {"from": 1703, "to": 704719}, {"from": 125, "to": 1884}, {"from": 59, "to": 627}, {"from": 1159, "to": 514059}, {"from": 616, "to": 2094}, {"from": 514059, "to": 601377}, {"from": 489, "to": 1016}, {"from": 1673, "to": 721073}, {"from": 1657, "to": 601377}, {"from": 616, "to": 800}, {"from": 842, "to": 1768}, {"from": 106387, "to": 320760}, {"from": 125, "to": 172}, {"from": 626259, "to": 908919}, {"from": 660327, "to": 681566}, {"from": 489, "to": 616}, {"from": 1884, "to": 2145}, {"from": 514059, "to": 626259}, {"from": 514, "to": 1036}, {"from": 1128, "to": 181305}, {"from": 78, "to": 734}, {"from": 1648, "to": 1868}, {"from": 47, "to": 728}, {"from": 442, "to": 1285}, {"from": 302, "to": 1036}, {"from": 140649, "to": 670964}, {"from": 603402, "to": 681566}, {"from": 51, "to": 1036}, {"from": 554, "to": 106387}, {"from": 919, "to": 4486}, {"from": 1648, "to": 626259}, {"from": 18, "to": 63}, {"from": 1626, "to": 721073}, {"from": 1626, "to": 5412}, {"from": 51, "to": 627}, {"from": 1868, "to": 2145}, {"from": 616, "to": 1159}, {"from": 728, "to": 1638}, {"from": 4486, "to": 140649}, {"from": 1012, "to": 312575}, {"from": 842, "to": 768334}, {"from": 626259, "to": 768334}, {"from": 454, "to": 2027}, {"from": 1884, "to": 514059}, {"from": 554, "to": 564}, {"from": 112, "to": 1262}, {"from": 106387, "to": 473228}, {"from": 1012, "to": 1262}, {"from": 308, "to": 181305}, {"from": 616, "to": 1698}, {"from": 1884, "to": 140649}, {"from": 734, "to": 1016}, {"from": 627, "to": 661}, {"from": 1673, "to": 7042}, {"from": 367, "to": 603}, {"from": 125, "to": 661}, {"from": 59, "to": 734}, {"from": 308, "to": 2094}, {"from": 51, "to": 366}, {"from": 1428, "to": 6573}, {"from": 1036, "to": 1768}, {"from": 32, "to": 1036}, {"from": 320760, "to": 601377}, {"from": 1811, "to": 4486}, {"from": 603, "to": 603402}, {"from": 1725, "to": 670964}, {"from": 366, "to": 40545}, {"from": 457, "to": 1426}, {"from": 603, "to": 2145}, {"from": 1934, "to": 722636}, {"from": 140649, "to": 596807}, {"from": 627, "to": 800}, {"from": 919, "to": 140649}, {"from": 627, "to": 1703}, {"from": 106387, "to": 908919}, {"from": 1703, "to": 7042}, {"from": 32, "to": 483}, {"from": 442, "to": 1648}, {"from": 514, "to": 1426}, {"from": 587, "to": 1648}, {"from": 1811, "to": 2145}, {"from": 587, "to": 1657}, {"from": 52, "to": 603402}, {"from": 1698, "to": 1868}, {"from": 661, "to": 1426}, {"from": 57, "to": 1159}]);
-
-        // adding nodes and edges to the graph
-        data = {nodes: nodes, edges: edges};
-
-        var options = {"nodes": {"borderWidthSelected": 3}, "edges": {"color": {"inherit": true}, "smooth": false}, "physics": {"repulsion": {"centralGravity": 8.95, "springLength": 500, "springConstant": 0.015, "nodeDistance": 600, "damping": 0.67}, "minVelocity": 0.75, "solver": "repulsion"}};
-        
-        
-
-        
-
-        network = new vis.Network(container, data, options);
-	 
-        
-
-
-        
-
-        return network;
-
-    }
-
-    drawGraph();
-
-</script>
-</body>
-</html>
\ No newline at end of file
diff --git a/visualization/html-files/closeness-graph.html b/visualization/html-files/closeness-graph.html
index 20bea82..5b84ddf 100644
--- a/visualization/html-files/closeness-graph.html
+++ b/visualization/html-files/closeness-graph.html
@@ -3,7 +3,7 @@
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis.css" type="text/css" />
 <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis-network.min.js"> </script>
 <center>
-<h1>Prova</h1>
+<h1></h1>
 </center>
 
 <!-- <link rel="stylesheet" href="../node_modules/vis/dist/vis.min.css" type="text/css" />
