diff --git a/ontology/ontology.json b/ontology/ontology.json
new file mode 100644
index 0000000..9e4cae4
--- /dev/null
+++ b/ontology/ontology.json
@@ -0,0 +1,57 @@
+{
+    "architecture": {
+        "rhythmanalysis": {
+            "circadian": {
+                "season": {},
+                "time of day": {},
+                "body rhythm": {},
+                "weather": {}
+            },
+            "the everyday": {
+                "activity": {},
+                "animal": {},
+                "architectural atmosphere": {},
+                "architectural element": {},
+                "architectural element action": {},
+                "architectural element state": {},
+                "bio": {},
+                "building material": {},
+                "building type": {},
+                "camera height and angle": {},
+                "camera movement": {},
+                "clothing": {},
+                "container": {},
+                "cookware": {},
+                "decor": {},
+                "dramatic context": {},
+                "element": {},
+                "filming direction": {},
+                "food and drink": {},
+                "furniture": {},
+                "homeware": {},
+                "lived space": {},
+                "location": {},
+                "miscellaneous": {},
+                "occupancy": {},
+                "place": {},
+                "scene tone": {},
+                "tableware": {},
+                "type": {}
+            }
+        }
+    },
+    "cinema": {
+        "mise en scene": {
+            "dramatic mood": {},
+            "character": {}
+        },
+        "mise en cadre": {
+            "shoot": {},
+            "shot type": {},
+            "line": {},
+            "shape": {},
+            "space": {}
+        }
+    },
+    "other": {}
+}
diff --git a/ontology/update.py b/ontology/update.py
new file mode 100755
index 0000000..47125c6
--- /dev/null
+++ b/ontology/update.py
@@ -0,0 +1,68 @@
+#!/usr/bin/python3
+import json
+import os
+from collections import defaultdict
+
+def find_path(parent, root=None, path=None):
+    if root is None:
+        root = ontology
+    if path == None:
+        path = []
+    for key in root:
+        if key == parent:
+            return path + [key]
+        elif root[key]:
+            r = find_path(parent, root[key], path + [key])
+            if r:
+                return r
+
+def get_node(name, children):
+    node = {
+        "size": len(children) + 100,
+        "name": name,
+        "children": [get_node(child, children[child]) for child in children]
+    }
+    if not node['children']:
+        del node['children']
+    return node
+
+
+if __name__ == '__main__':
+    base = os.path.abspath(os.path.dirname(__file__))
+    os.chdir(base)
+
+    keywords = json.load(open('keywords.json'))
+    ontology = json.load(open('ontology.json'))
+
+    tree = defaultdict(dict)
+
+    for keyword in keywords:
+        if ': ' not in keyword:
+            parent = 'other'
+            child = keyword
+        else:
+            parent, child = keyword.split(': ')
+        path = find_path(parent)
+        if path:
+            p = tree
+            for part in path:
+                if part not in p:
+                    p[part] = {}
+                p = p[part]
+            p[child] = {}
+        else:
+            print('missing root - %s: %s' % (parent, child))
+
+    #print(json.dumps(tree, indent=4, sort_keys=True))
+    sized_ontology = {
+        "size": len(tree),
+        "name": "CineMuseSpace",
+        "children": []
+    }
+    for name in tree:
+        children = tree[name]
+        child = get_node(name, tree[name])
+        sized_ontology['children'].append(child)
+
+    with open('../static/ontology/sized_ontology.json', 'w') as fd:
+        json.dump(sized_ontology, fd, indent=4, sort_keys=True)
diff --git a/ontology/update_keywords.py b/ontology/update_keywords.py
new file mode 100755
index 0000000..f0a5b07
--- /dev/null
+++ b/ontology/update_keywords.py
@@ -0,0 +1,46 @@
+#!/usr/bin/python3
+
+import getpass
+import json
+import sys
+
+import ox
+import ox.web.auth
+
+site = 'pandora.cinemusespace.com'
+api = ox.API('https://%s/api/' % site)
+update = False
+try:
+    credentials = ox.web.auth.get(site)
+except:
+    credentials = {}
+    print('Please provide your username and password for %s:' % site)
+    credentials['username'] = input('Username: ')
+    credentials['password'] = getpass.getpass('Password: ')
+    update = True
+r = api.signin(**credentials)
+if 'errors' in r.get('data', {}):
+    for kv in r['data']['errors'].items():
+        print('%s: %s' % kv)
+    sys.exit(1)
+if update:
+    ox.web.auth.update(site, credentials)
+
+keywords = set()
+for annotation in api.findAnnotations({
+    'query': {
+        'conditions': [{
+            'key': 'layer',
+            'value': 'keywords',
+            'operator': '=='
+        }],
+        'operator': '&'
+    },
+    'keys': ['id', 'in', 'out', 'value', 'user', 'created'],
+    'range': [0, 500000]
+})['data']['items']:
+    keywords.add(annotation['value'])
+
+
+with open('keywords.json', 'w') as fd:
+    json.dump(list(sorted(keywords)), fd, indent=4)
diff --git a/static/ontology/index.css b/static/ontology/index.css
new file mode 100644
index 0000000..e821750
--- /dev/null
+++ b/static/ontology/index.css
@@ -0,0 +1,16 @@
+.node circle {
+  fill: #fff;
+  stroke: steelblue;
+  stroke-width: 1.5px;
+}
+
+.node {
+  cursor: pointer;
+  font: 10px sans-serif;
+}
+
+.link {
+  fill: none;
+  stroke: #ccc;
+  stroke-width: 1.5px;
+}
diff --git a/static/ontology/index.html b/static/ontology/index.html
new file mode 100644
index 0000000..b2e3f28
--- /dev/null
+++ b/static/ontology/index.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <script src="https://d3js.org/d3.v3.min.js"></script>
+  <link rel="stylesheet" href="index.css">
+  <title>Ontology Tree</title>
+</head>
+<body>
+  <script src="index.js"></script>
+</body>
+</html>
diff --git a/static/ontology/index.js b/static/ontology/index.js
new file mode 100644
index 0000000..5ee5a9d
--- /dev/null
+++ b/static/ontology/index.js
@@ -0,0 +1,142 @@
+var margin = {top: 20, right: 120, bottom: 20, left: 120},
+    width = 1200 - margin.right - margin.left,
+    height = 4000 - margin.top - margin.bottom;
+    
+var i = 0,
+    duration = 750,
+    root;
+
+var tree = d3.layout.tree()
+    .size([height, width]);
+
+var diagonal = d3.svg.diagonal()
+    .projection(function(d) { return [d.y, d.x]; });
+
+var svg = d3.select("body").append("svg")
+    .attr("width", width + margin.right + margin.left)
+    .attr("height", height + margin.top + margin.bottom)
+  .append("g")
+    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
+
+d3.json("sized_ontology.json", function(error, flare) {
+  root = flare;
+  root.x0 = height / 2;
+  root.y0 = 0;
+
+  function collapse(d) {
+    if (d.children) {
+      if (!d.children[0].children) {
+          d._children = d.children;
+          d._children.forEach(collapse);
+          d.children = null;
+      } else {
+          d.children.forEach(collapse);
+      }
+    }
+  }
+
+  root.children.forEach(collapse);
+
+  update(root);
+});
+
+d3.select(self.frameElement).style("height", "800px");
+
+function update(source) {
+
+  // Compute the new tree layout.
+  var nodes = tree.nodes(root).reverse(),
+      links = tree.links(nodes);
+
+  // Normalize for fixed-depth.
+  nodes.forEach(function(d) { d.y = d.depth * 180; });
+
+  // Update the nodes…
+  var node = svg.selectAll("g.node")
+      .data(nodes, function(d) { return d.id || (d.id = ++i); });
+
+  // Enter any new nodes at the parent's previous position.
+  var nodeEnter = node.enter().append("g")
+      .attr("class", "node")
+      .attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
+      .on("click", click);
+
+  nodeEnter.append("circle")
+      .attr("r", 1e-6)
+      .style("fill", function(d) { return d.children || d._children ? "#fff": "lightsteelblue"; });
+
+  nodeEnter.append("text")
+      .attr("x", function(d) { return d.children || d._children ? -10 : 10; })
+      .attr("dy", ".35em")
+      .attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
+      .text(function(d) { return d.name; })
+      .style("fill-opacity", 1e-6);
+
+  // Transition nodes to their new position.
+  var nodeUpdate = node.transition()
+      .duration(duration)
+      .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
+
+  nodeUpdate.select("circle")
+      .attr("r", 4.5)
+      .style("fill", function(d) { return d.children || d._children ? "#fff": "lightsteelblue"; });
+
+  nodeUpdate.select("text")
+      .style("fill-opacity", 1);
+
+  // Transition exiting nodes to the parent's new position.
+  var nodeExit = node.exit().transition()
+      .duration(duration)
+      .attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
+      .remove();
+
+  nodeExit.select("circle")
+      .attr("r", 1e-6);
+
+  nodeExit.select("text")
+      .style("fill-opacity", 1e-6);
+
+  // Update the links…
+  var link = svg.selectAll("path.link")
+      .data(links, function(d) { return d.target.id; });
+
+  // Enter any new links at the parent's previous position.
+  link.enter().insert("path", "g")
+      .attr("class", "link")
+      .attr("d", function(d) {
+        var o = {x: source.x0, y: source.y0};
+        return diagonal({source: o, target: o});
+      });
+
+  // Transition links to their new position.
+  link.transition()
+      .duration(duration)
+      .attr("d", diagonal);
+
+  // Transition exiting nodes to the parent's new position.
+  link.exit().transition()
+      .duration(duration)
+      .attr("d", function(d) {
+        var o = {x: source.x, y: source.y};
+        return diagonal({source: o, target: o});
+      })
+      .remove();
+
+  // Stash the old positions for transition.
+  nodes.forEach(function(d) {
+    d.x0 = d.x;
+    d.y0 = d.y;
+  });
+}
+
+// Toggle children on click.
+function click(d) {
+  if (d.children) {
+    d._children = d.children;
+    d.children = null;
+  } else {
+    d.children = d._children;
+    d._children = null;
+  }
+  update(d);
+}