diff --git a/korap.conf b/korap.conf
index 1afb74a..6552606 100644
--- a/korap.conf
+++ b/korap.conf
@@ -40,7 +40,8 @@
   },
   hypnotoad => {
     listen => ['http://*:6666', 'http://*:5555'],
-    workers => 3
+    workers => 5,
+    inactivity_timeout => 120
   },
   'TagHelpers-Pagination' => {
     prev => '<span><i class="fa fa-caret-left"></i></span>',
diff --git a/lib/Korap.pm b/lib/Korap.pm
index 584d31d..4e1d151 100644
--- a/lib/Korap.pm
+++ b/lib/Korap.pm
@@ -46,7 +46,7 @@
       '/sass/tutorial.scss',
       '/sass/hint.scss',
       '/sass/query.scss',
-      '/sass/table.scss',
+      '/sass/matchinfo.scss',
       '/sass/pagination.scss',
       '/sass/kwic-4.0.scss',
       '/css/media.css',
@@ -59,9 +59,12 @@
 
   $self->asset(
     'korap.js' => (
+#      '/js/d3.v3.min.js',
+#      '/js/dagre-d3.min.js',
       '/js/jquery-2.0.0.min.js',
       '/js/tutorialCookie.js',
       '/js/translateTable.js',
+#      '/js/translateTree.js',
       '/js/hint.js',
       '/js/highlight.pack.js',
       $self->notifications->scripts
@@ -112,9 +115,9 @@
   # Match data
   my $match = $doc->route('/:match_id');
   $match->route->to('info#about_match')->name('match');
-  my $match_layer = $match->route('/:layer');
-  $match_layer->route->to('info#about_match');
-  $match_layer->route('/:foundry')->to('info#about_match');
+#  my $match_foundry = $match->route('/:foundry');
+#  $match_foundry->route->to('info#about_match');
+#  $match_foundry->route('/:layer')->to('info#about_match');
 
   # Utilities
   # $r->get('/util/query')->to('search#query');
diff --git a/lib/Korap/Info.pm b/lib/Korap/Info.pm
index 2780ebb..bc8fc05 100644
--- a/lib/Korap/Info.pm
+++ b/lib/Korap/Info.pm
@@ -10,10 +10,13 @@
 
   my $foundry = '*';
   my %query = (foundry => '*');
-  if ($c->stash('foundry')) {
-    $query{foundry} = $c->stash('foundry');
-    if ($c->stash('layer')) {
-      $query{layer} = $c->stash('layer');
+  if ($c->param('foundry')) {
+    $query{foundry} = $c->param('foundry');
+    if ($c->param('layer')) {
+      $query{layer} = $c->param('layer');
+    };
+    if ($c->param('spans')) {
+      $query{spans} = 'true';
     };
   };
 
@@ -24,7 +27,7 @@
       )
     },
     html => sub {
-      my $match = $c->match_info($corpus_id, $doc_id, $match_id);
+      my $match = $c->match_info($corpus_id, $doc_id, $match_id, %query);
       if ($match->{error}) {
 	$c->notify(error => $match->{error});
 	return $c->render_exception('error');
diff --git a/lib/Korap/Plugin/KorapSearch.pm b/lib/Korap/Plugin/KorapSearch.pm
index 115bcb2..a0fc4a4 100644
--- a/lib/Korap/Plugin/KorapSearch.pm
+++ b/lib/Korap/Plugin/KorapSearch.pm
@@ -137,6 +137,10 @@
 
       my $ua = Mojo::UserAgent->new;
 
+      # Set timeout to 2 minutes
+      # This may a bit too far for demo users
+      $ua->inactivity_timeout(120);
+
       # Blocking request
       # TODO: Make non-blocking
       my $tx = $ua->get($url);
diff --git a/public/js/d3.v3.min.js b/public/js/d3.v3.min.js
new file mode 100644
index 0000000..ac74e5a
--- /dev/null
+++ b/public/js/d3.v3.min.js
@@ -0,0 +1,5 @@
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d=a.node(c).rank-a.node(b).rank,e=f.max(a.outEdges(b,c).map(function(b){return a.edge(b).minLen}));return d-e}var d=a("cp-data").Set,e=a("graphlib").Digraph,f=a("../util");b.exports=g},{"../util":26,"cp-data":5,graphlib:28}],23:[function(a,b,c){function f(a){var b=e(a);b.forEach(function(b){var c=a.inEdges(b);if(c.length===0){a.node(b).rank=0;return}var e=c.map(function(b){return a.node(a.source(b)).rank+a.edge(b).minLen});a.node(b).rank=d.max(e)})}var d=a("../util"),e=a("graphlib").alg.topsort;b.exports=f},{"../util":26,graphlib:28}],24:[function(a,b,c){function d(a,b,c,d){return Math.abs(a.node(b).rank-a.node(c).rank)-d}b.exports={slack:d}},{}],25:[function(a,b,c){function f(a,b){g(a,b);for(;;){var c=k(b);if(c===null)break;var d=l(a,b,c);m(a,b,c,d)}}function g(a,b){function c(d){var e=b.successors(d);for(var f in e){var g=e[f];c(g)}d!==b.graph().root&&i(a,b,d)}h(b),b.eachEdge(function(a,b,c,d){d.cutValue=0}),c(b.graph().root)}function h(a){function c(d){var 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m=e.slack(a,f,h,l.minLen);m<i&&(i=m,k=d)}}):a.eachEdge(function(d,f,h,l){if(d!==c&&!j(b,f,g)&&j(b,h,g)){var m=e.slack(a,f,h,l.minLen);m<i&&(i=m,k=d)}});if(k===undefined){var l=[],m=[];throw a.eachNode(function(a){j(b,a,g)?m.push(a):l.push(a)}),new Error("No edge found from outside of tree to inside")}return k}function m(a,b,c,d){function h(a){var c=b.inEdges(a);for(var d in c){var e=c[d],f=b.source(e),g=b.edge(e);h(f),b.delEdge(e),g.reversed=!g.reversed,b.addEdge(e,a,f,g)}}b.delEdge(c);var e=a.source(d),f=a.target(d);h(f);var i=e,j=b.inEdges(i);while(j.length>0)i=b.source(j[0]),j=b.inEdges(i);b.graph().root=i,b.addEdge(null,e,f,{cutValue:0}),g(a,b),n(a,b)}function n(a,b){function c(d){var e=b.successors(d);e.forEach(function(b){var e=o(a,d,b);a.node(b).rank=a.node(d).rank+e,c(b)})}c(b.graph().root)}function o(a,b,c){var e=a.outEdges(b,c);if(e.length>0)return d.max(e.map(function(b){return a.edge(b).minLen}));var f=a.inEdges(b,c);if(f.length>0)return-d.max(f.map(function(b){return a.edge(b).minLen}))}var d=a("../util"),e=a("./rankUtil");b.exports=f},{"../util":26,"./rankUtil":24}],26:[function(a,b,c){function d(a,b){return function(){var c=(new Date).getTime();try{return b.apply(null,arguments)}finally{e(1,a+" time: "+((new Date).getTime()-c)+"ms")}}}function e(a){e.level>=a&&console.log.apply(console,Array.prototype.slice.call(arguments,1))}c.min=function(a){return Math.min.apply(Math,a)},c.max=function(a){return Math.max.apply(Math,a)},c.all=function(a,b){for(var c=0;c<a.length;++c)if(!b(a[c]))return!1;return!0},c.sum=function(a){return a.reduce(function(a,b){return a+b},0)},c.values=function(a){return Object.keys(a).map(function(b){return a[b]})},c.shuffle=function(a){for(i=a.length-1;i>0;--i){var b=Math.floor(Math.random()*(i+1)),c=a[b];a[b]=a[i],a[i]=c}},c.propertyAccessor=function(a,b,c,d){return function(e){return arguments.length?(b[c]=e,d&&d(e),a):b[c]}},c.ordering=function(a){var b=[];return a.eachNode(function(a,c){var d=b[c.rank]||(b[c.rank]=[]);d[c.order]=a}),b},c.filterNonSubgraphs=function(a){return function(b){return a.children(b).length===0}},d.enabled=!1,c.time=d,e.level=0,c.log=e},{}],27:[function(a,b,c){b.exports="0.4.5"},{}],28:[function(a,b,c){c.Graph=a("./lib/Graph"),c.Digraph=a("./lib/Digraph"),c.CGraph=a("./lib/CGraph"),c.CDigraph=a("./lib/CDigraph"),a("./lib/graph-converters"),c.alg={isAcyclic:a("./lib/alg/isAcyclic"),components:a("./lib/alg/components"),dijkstra:a("./lib/alg/dijkstra"),dijkstraAll:a("./lib/alg/dijkstraAll"),findCycles:a("./lib/alg/findCycles"),floydWarshall:a("./lib/alg/floydWarshall"),postorder:a("./lib/alg/postorder"),preorder:a("./lib/alg/preorder"),prim:a("./lib/alg/prim"),tarjan:a("./lib/alg/tarjan"),topsort:a("./lib/alg/topsort"
+)},c.converter={json:a("./lib/converter/json.js")};var d=a("./lib/filter");c.filter={all:d.all,nodesFromList:d.nodesFromList},c.version=a("./lib/version")},{"./lib/CDigraph":30,"./lib/CGraph":31,"./lib/Digraph":32,"./lib/Graph":33,"./lib/alg/components":34,"./lib/alg/dijkstra":35,"./lib/alg/dijkstraAll":36,"./lib/alg/findCycles":37,"./lib/alg/floydWarshall":38,"./lib/alg/isAcyclic":39,"./lib/alg/postorder":40,"./lib/alg/preorder":41,"./lib/alg/prim":42,"./lib/alg/tarjan":43,"./lib/alg/topsort":44,"./lib/converter/json.js":46,"./lib/filter":47,"./lib/graph-converters":48,"./lib/version":50}],29:[function(a,b,c){function e(){this._value=undefined,this._nodes={},this._edges={},this._nextId=0}function f(a,b,c){(a[b]||(a[b]=new d)).add(c)}function g(a,b,c){var d=a[b];d.remove(c),d.size()===0&&delete a[b]}var d=a("cp-data").Set;b.exports=e,e.prototype.order=function(){return Object.keys(this._nodes).length},e.prototype.size=function(){return Object.keys(this._edges).length},e.prototype.graph=function(a){if(arguments.length===0)return this._value;this._value=a},e.prototype.hasNode=function(a){return a in this._nodes},e.prototype.node=function(a,b){var c=this._strictGetNode(a);if(arguments.length===1)return c.value;c.value=b},e.prototype.nodes=function(){var a=[];return this.eachNode(function(b){a.push(b)}),a},e.prototype.eachNode=function(a){for(var b in this._nodes){var c=this._nodes[b];a(c.id,c.value)}},e.prototype.hasEdge=function(a){return a in this._edges},e.prototype.edge=function(a,b){var c=this._strictGetEdge(a);if(arguments.length===1)return c.value;c.value=b},e.prototype.edges=function(){var a=[];return this.eachEdge(function(b){a.push(b)}),a},e.prototype.eachEdge=function(a){for(var b in this._edges){var c=this._edges[b];a(c.id,c.u,c.v,c.value)}},e.prototype.incidentNodes=function(a){var b=this._strictGetEdge(a);return[b.u,b.v]},e.prototype.addNode=function(a,b){if(a===undefined||a===null){do a="_"+ ++this._nextId;while(this.hasNode(a))}else if(this.hasNode(a))throw new Error("Graph already has node '"+a+"'");return this._nodes[a]={id:a,value:b},a},e.prototype.delNode=function(a){this._strictGetNode(a),this.incidentEdges(a).forEach(function(a){this.delEdge(a)},this),delete this._nodes[a]},e.prototype._addEdge=function(a,b,c,d,e,g){this._strictGetNode(b),this._strictGetNode(c);if(a===undefined||a===null){do a="_"+ ++this._nextId;while(this.hasEdge(a))}else if(this.hasEdge(a))throw new Error("Graph already has edge '"+a+"'");return this._edges[a]={id:a,u:b,v:c,value:d},f(e[c],b,a),f(g[b],c,a),a},e.prototype._delEdge=function(a,b,c){var d=this._strictGetEdge(a);g(b[d.v],d.u,a),g(c[d.u],d.v,a),delete this._edges[a]},e.prototype.copy=function(){var a=new this.constructor;return a.graph(this.graph()),this.eachNode(function(b,c){a.addNode(b,c)}),this.eachEdge(function(b,c,d,e){a.addEdge(b,c,d,e)}),a._nextId=this._nextId,a},e.prototype.filterNodes=function(a){var b=new this.constructor;return b.graph(this.graph()),this.eachNode(function(c,d){a(c)&&b.addNode(c,d)}),this.eachEdge(function(a,c,d,e){b.hasNode(c)&&b.hasNode(d)&&b.addEdge(a,c,d,e)}),b},e.prototype._strictGetNode=function(a){var b=this._nodes[a];if(b===undefined)throw new Error("Node '"+a+"' is not in graph");return b},e.prototype._strictGetEdge=function(a){var b=this._edges[a];if(b===undefined)throw new Error("Edge '"+a+"' is not in graph");return b}},{"cp-data":5}],30:[function(a,b,c){var d=a("./Digraph"),e=a("./compoundify"),f=e(d);b.exports=f,f.fromDigraph=function(a){var b=new f,c=a.graph();return c!==undefined&&b.graph(c),a.eachNode(function(a,c){c===undefined?b.addNode(a):b.addNode(a,c)}),a.eachEdge(function(a,c,d,e){e===undefined?b.addEdge(null,c,d):b.addEdge(null,c,d,e)}),b},f.prototype.toString=function(){return"CDigraph "+JSON.stringify(this,null,2)}},{"./Digraph":32,"./compoundify":45}],31:[function(a,b,c){var d=a("./Graph"),e=a("./compoundify"),f=e(d);b.exports=f,f.fromGraph=function(a){var b=new f,c=a.graph();return c!==undefined&&b.graph(c),a.eachNode(function(a,c){c===undefined?b.addNode(a):b.addNode(a,c)}),a.eachEdge(function(a,c,d,e){e===undefined?b.addEdge(null,c,d):b.addEdge(null,c,d,e)}),b},f.prototype.toString=function(){return"CGraph "+JSON.stringify(this,null,2)}},{"./Graph":33,"./compoundify":45}],32:[function(a,b,c){function g(){e.call(this),this._inEdges={},this._outEdges={}}var d=a("./util"),e=a("./BaseGraph"),f=a("cp-data").Set;b.exports=g,g.prototype=new e,g.prototype.constructor=g,g.prototype.isDirected=function(){return!0},g.prototype.successors=function(a){return this._strictGetNode(a),Object.keys(this._outEdges[a]).map(function(a){return this._nodes[a].id},this)},g.prototype.predecessors=function(a){return this._strictGetNode(a),Object.keys(this._inEdges[a]).map(function(a){return this._nodes[a].id},this)},g.prototype.neighbors=function(a){return f.union([this.successors(a),this.predecessors(a)]).keys()},g.prototype.sources=function(){var a=this;return this._filterNodes(function(b){return a.inEdges(b).length===0})},g.prototype.sinks=function(){var a=this;return this._filterNodes(function(b){return a.outEdges(b).length===0})},g.prototype.source=function(a){return this._strictGetEdge(a).u},g.prototype.target=function(a){return this._strictGetEdge(a).v},g.prototype.inEdges=function(a,b){this._strictGetNode(a);var c=f.union(d.values(this._inEdges[a])).keys();return arguments.length>1&&(this._strictGetNode(b),c=c.filter(function(a){return this.source(a)===b},this)),c},g.prototype.outEdges=function(a,b){this._strictGetNode(a);var c=f.union(d.values(this._outEdges[a])).keys();return arguments.length>1&&(this._strictGetNode(b),c=c.filter(function(a){return this.target(a)===b},this)),c},g.prototype.incidentEdges=function(a,b){return arguments.length>1?f.union([this.outEdges(a,b),this.outEdges(b,a)]).keys():f.union([this.inEdges(a),this.outEdges(a)]).keys()},g.prototype.toString=function(){return"Digraph "+JSON.stringify(this,null,2)},g.prototype.addNode=function(a,b){return a=e.prototype.addNode.call(this,a,b),this._inEdges[a]={},this._outEdges[a]={},a},g.prototype.delNode=function(a){e.prototype.delNode.call(this,a),delete this._inEdges[a],delete this._outEdges[a]},g.prototype.addEdge=function(a,b,c,d){return e.prototype._addEdge.call(this,a,b,c,d,this._inEdges,this._outEdges)},g.prototype.delEdge=function(a){e.prototype._delEdge.call(this,a,this._inEdges,this._outEdges)},g.prototype._filterNodes=function(a){var b=[];return this.eachNode(function(c){a(c)&&b.push(c)}),b}},{"./BaseGraph":29,"./util":49,"cp-data":5}],33:[function(a,b,c){function g(){e.call(this),this._incidentEdges={}}var d=a("./util"),e=a("./BaseGraph"),f=a("cp-data").Set;b.exports=g,g.prototype=new 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e.prototype._addEdge.call(this,a,b,c,d,this._incidentEdges,this._incidentEdges)},g.prototype.delEdge=function(a){e.prototype._delEdge.call(this,a,this._incidentEdges,this._incidentEdges)}},{"./BaseGraph":29,"./util":49,"cp-data":5}],34:[function(a,b,c){function e(a){function e(b,d){c.has(b)||(c.add(b),d.push(b),a.neighbors(b).forEach(function(a){e(a,d)}))}var b=[],c=new d;return a.nodes().forEach(function(a){var c=[];e(a,c),c.length>0&&b.push(c)}),b}var d=a("cp-data").Set;b.exports=e},{"cp-data":5}],35:[function(a,b,c){function e(a,b,c,e){function h(b){var d=a.incidentNodes(b),e=d[0]!==i?d[0]:d[1],h=f[e],k=c(b),l=j.distance+k;if(k<0)throw new Error("dijkstra does not allow negative edge weights. Bad edge: "+b+" Weight: "+k);l<h.distance&&(h.distance=l,h.predecessor=i,g.decrease(e,l))}var f={},g=new d;c=c||function(){return 1},e=e||(a.isDirected()?function(b){return a.outEdges(b)}:function(b){return a.incidentEdges(b)}),a.eachNode(function(a){var c=a===b?0:Number.POSITIVE_INFINITY;f[a]={distance:c},g.add(a,c)});var i,j;while(g.size()>0){i=g.removeMin(),j=f[i];if(j.distance===Number.POSITIVE_INFINITY)break;e(i).forEach(h)}return f}var d=a("cp-data").PriorityQueue;b.exports=e},{"cp-data":5}],36:[function(a,b,c){function e(a,b,c){var e={};return a.eachNode(function(f){e[f]=d(a,f,b,c)}),e}var d=a("./dijkstra");b.exports=e},{"./dijkstra":35}],37:[function(a,b,c){function e(a){return d(a).filter(function(a){return a.length>1})}var d=a("./tarjan");b.exports=e},{"./tarjan":43}],38:[function(a,b,c){function d(a,b,c){var d={},e=a.nodes();return b=b||function(){return 1},c=c||(a.isDirected()?function(b){return a.outEdges(b)}:function(b){return a.incidentEdges(b)}),e.forEach(function(f){d[f]={},d[f][f]={distance:0},e.forEach(function(a){f!==a&&(d[f][a]={distance:Number.POSITIVE_INFINITY})}),c(f).forEach(function(c){var e=a.incidentNodes(c),h=e[0]!==f?e[0]:e[1],i=b(c);i<d[f][h].distance&&(d[f][h]={distance:i,predecessor:f})})}),e.forEach(function(a){var b=d[a];e.forEach(function(c){var f=d[c];e.forEach(function(c){var d=f[a],e=b[c],g=f[c],h=d.distance+e.distance;h<g.distance&&(g.distance=h,g.predecessor=e.predecessor)})})}),d}b.exports=d},{}],39:[function(a,b,c){function e(a){try{d(a)}catch(b){if(b instanceof d.CycleException)return!1;throw b}return!0}var d=a("./topsort");b.exports=e},{"./topsort":44}],40:[function(a,b,c){function e(a,b,c){function f(b,d){if(e.has(b))throw new Error("The input graph is not a tree: "+a);e.add(b),a.neighbors(b).forEach(function(a){a!==d&&f(a,b)}),c(b)}var e=new d;if(a.isDirected())throw new Error("This function only works for undirected graphs");f(b)}var d=a("cp-data").Set;b.exports=e},{"cp-data":5}],41:[function(a,b,c){function e(a,b,c){function f(b,d){if(e.has(b))throw new Error("The input graph is not a tree: "+a);e.add(b),c(b),a.neighbors(b).forEach(function(a){a!==d&&f(a,b)})}var e=new d;if(a.isDirected())throw new Error("This function only works for undirected graphs");f(b)}var d=a("cp-data").Set;b.exports=e},{"cp-data":5}],42:[function(a,b,c){function f(a,b){function i(c){var d=a.incidentNodes(c),e=d[0]!==h?d[0]:d[1],i=g.priority(e);if(i!==undefined){var j=b(c);j<i&&(f[e]=h,g.decrease(e,j))}}var c=new d,f={},g=new e,h;if(a.order()===0)return c;a.eachNode(function(a){g.add(a,Number.POSITIVE_INFINITY),c.addNode(a)}),g.decrease(a.nodes()[0],0);var j=!1;while(g.size()>0){h=g.removeMin();if(h in f)c.addEdge(null,h,f[h]);else{if(j)throw new Error("Input graph is not connected: "+a);j=!0}a.incidentEdges(h).forEach(i)}return c}var d=a("../Graph"),e=a("cp-data").PriorityQueue;b.exports=f},{"../Graph":33,"cp-data":5}],43:[function(a,b,c){function d(a){function f(h){var i=d[h]={onStack:!0,lowlink:b,index:b++};c.push(h),a.successors(h).forEach(function(a){a in d?d[a].onStack&&(i.lowlink=Math.min(i.lowlink,d[a].index)):(f(a),i.lowlink=Math.min(i.lowlink,d[a].lowlink))});if(i.lowlink===i.index){var j=[],k;do k=c.pop(),d[k].onStack=!1,j.push(k);while(h!==k);e.push(j)}}if(!a.isDirected())throw new Error("tarjan can only be applied to a directed graph. Bad input: "+a);var b=0,c=[],d={},e=[];return a.nodes().forEach(function(a){a in d||f(a)}),e}b.exports=d},{}],44:[function(a,b,c){function d(a){function f(g){if(g in c)throw new e;g in b||(c[g]=!0,b[g]=!0,a.predecessors(g).forEach(function(a){f(a)}),delete c[g],d.push(g))}if(!a.isDirected())throw new Error("topsort can only be applied to a directed graph. Bad input: "+a);var b={},c={},d=[],g=a.sinks();if(a.order()!==0&&g.length===0)throw new e;return a.sinks().forEach(function(a){f(a)}),d}function e(){}b.exports=d,d.CycleException=e,e.prototype.toString=function(){return"Graph has at least one cycle"}},{}],45:[function(a,b,c){function e(a){function b(){a.call(this),this._parents={},this._children={},this._children[null]=new d}return b.prototype=new a,b.prototype.constructor=b,b.prototype.parent=function(a,b){this._strictGetNode(a);if(arguments.length<2)return this._parents[a];if(a===b)throw new Error("Cannot make "+a+" a parent of itself");b!==null&&this._strictGetNode(b),this._children[this._parents[a]].remove(a),this._parents[a]=b,this._children[b].add(a)},b.prototype.children=function(a){return a!==null&&this._strictGetNode(a),this._children[a].keys()},b.prototype.addNode=function(b,c){return b=a.prototype.addNode.call(this,b,c),this._parents[b]=null,this._children[b]=new d,this._children[null].add(b),b},b.prototype.delNode=function(b){var c=this.parent(b);return this._children[b].keys().forEach(function(a){this.parent(a,c)},this),this._children[c].remove(b),delete this._parents[b],delete this._children[b],a.prototype.delNode.call(this,b)},b.prototype.copy=function(){var b=a.prototype.copy.call(this);return this.nodes().forEach(function(a){b.parent(a,this.parent(a))},this),b},b.prototype.filterNodes=function(b){function f(a){var b=c.parent(a);return b===null||d.hasNode(b)?(e[a]=b,b):b in e?e[b]:f(b)}var c=this,d=a.prototype.filterNodes.call(this,b),e={};return d.eachNode(function(a){d.parent(a,f(a))}),d},b}var d=a("cp-data").Set;b.exports=e},{"cp-data":5}],46:[function(a,b,c){function h(a){return Object.prototype.toString.call(a).slice(8,-1)}var d=a("../Graph"),e=a("../Digraph"),f=a("../CGraph"),g=a("../CDigraph");c.decode=function(a,b,c){c=c||e;if(h(a)!=="Array")throw new Error("nodes is not an Array");if(h(b)!=="Array")throw new Error("edges is not an Array");if(typeof c=="string")switch(c){case"graph":c=d;break;case"digraph":c=e;break;case"cgraph":c=f;break;case"cdigraph":c=g;break;default:throw new Error("Unrecognized graph type: "+c)}var i=new c;return a.forEach(function(a){i.addNode(a.id,a.value)}),i.parent&&a.forEach(function(a){a.children&&a.children.forEach(function(b){i.parent(b,a.id)})}),b.forEach(function(a){i.addEdge(a.id,a.u,a.v,a.value)}),i},c.encode=function(a){var b=[],c=[];a.eachNode(function(c,d){var e={id:c,value:d};if(a.children){var f=a.children(c);f.length&&(e.children=f)}b.push(e)}),a.eachEdge(function(a,b,d,e){c.push({id:a,u:b,v:d,value:e})});var h;if(a instanceof g)h="cdigraph";else if(a instanceof f)h="cgraph";else if(a instanceof e)h="digraph";else if(a instanceof d)h="graph";else throw new Error("Couldn't determine type of graph: "+a);return{nodes:b,edges:c,type:h}}},{"../CDigraph":30,"../CGraph":31,"../Digraph":32,"../Graph":33}],47:[function(a,b,c){var d=a("cp-data").Set;c.all=function(){return function(){return!0}},c.nodesFromList=function(a){var b=new d(a);return function(a){return b.has(a)}}},{"cp-data":5}],48:[function(a,b,c){var d=a("./Graph"),e=a("./Digraph");d.prototype.toDigraph=d.prototype.asDirected=function(){var a=new e;return this.eachNode(function(b,c){a.addNode(b,c)}),this.eachEdge(function(b,c,d,e){a.addEdge(null,c,d,e),a.addEdge(null,d,c,e)}),a},e.prototype.toGraph=e.prototype.asUndirected=function(){var a=new d;return this.eachNode(function(b,c){a.addNode(b,c)}),this.eachEdge(function(b,c,d,e){a.addEdge(b,c,d,e)}),a}},{"./Digraph":32,"./Graph":33}],49:[function(a,b,c){c.values=function(a){var b=Object.keys(a),c=b.length,d=new Array(c),e;for(e=0;e<c;++e)d[e]=a[b[e]];return d}},{}],50:[function(a,b,c){b.exports="0.7.4"},{}]},{},[1]);
\ No newline at end of file
diff --git a/public/js/translateTable.js b/public/js/translateTable.js
index e45266b..31be939 100644
--- a/public/js/translateTable.js
+++ b/public/js/translateTable.js
@@ -195,6 +195,8 @@
   var match = o.parentNode.parentNode;
   var table = $(match).children("div").children("div.tokenInfo").first();
 
+console.log(table);
+
   if (table.hasClass("active")) {
     table.removeClass("active");
     return;
diff --git a/public/js/translateTree.js b/public/js/translateTree.js
index 0ade20b..e7ce83d 100644
--- a/public/js/translateTree.js
+++ b/public/js/translateTree.js
@@ -1,87 +1,128 @@
 var cleanRegex = /^([^\/]+?\/)?[^\:]+?\:/;
 
-// SnippetTree constructor
-function SnippetTree (obj) {
-  this.children = [];
-  this.data = obj;
+var renderer = new dagreD3.Renderer();
+var oldDrawNodes = renderer.drawNodes();
+renderer.drawNodes(
+  function (graph, root) {
+    var svgNodes = oldDrawNodes(graph, root);
+    svgNodes.each(function(u) {
+      d3.select(this).classed(graph.node(u).nodeclass, true);
+    });
+    return svgNodes;
+  });
 
-  // Replace title
+// Disable pan and zoom
+renderer.zoom(false);
+
+function SnippetTree (graph) {
+  this.next = new Number(0);
+  this.graph = graph;
+
+  // Fix title
   this.cleanTitle = function (title) {
     return title.replace(cleanRegex, "");
   };
 
-  // Add new child to tree
-  this.addChild = function (childData) {
-    var c = new SnippetTree (childData);
-    this.children.push(c);
-    return c;
-  };
+  // This is a new root
+  this.graph.addNode(this.next++,{
+    nodeclass: "root"
+  })
 
-  // Recursively parse children
-  this.parseChildren = function (children) {
+  // Add the children to the node
+  this.parseChildren = function (parent, children) {
     for (var i in children) {
       var c = children[i];
-      if (c.nodeType === 1) {
+
+      // Element node
+      if (c.nodeType == 1) {
+
+	// Get title from html
 	if (c.getAttribute("title")) {
 	  var title = this.cleanTitle(c.getAttribute("title"));
-	  var childTree = this.addChild({ type : title });
-	  if (c.hasChildNodes())
-	    childTree.parseChildren(c.childNodes);
-	}
-	else if (c.hasChildNodes())
-	  this.parseChildren(c.childNodes);
-      }
-      else if (c.nodeType === 3)
-	if (c.nodeValue.match(/[-a-z0-9]/i)) {
-	  this.addChild({
-	    type : "leaf",
-	    word : c.nodeValue
+
+	  // Add child node
+	  var id = this.next++;
+	  this.graph.addNode(id, {
+	    nodeclass : "middle",
+	    label : title
 	  });
+	  this.graph.addEdge(null, parent, id);
+
+	  // Check for next level
+	  if (c.hasChildNodes())
+	    this.parseChildren(id, c.childNodes);
+	}
+
+	// Step further
+	else if (c.hasChildNodes())
+	  this.parseChildren(parent, c.childNodes);
+      }
+
+      // Text node
+      else if (c.nodeType == 3)
+	if (c.nodeValue.match(/[-a-z0-9]/i)) {
+	  // Add child node
+	  var id = this.next++;
+	  this.graph.addNode(id, {
+	    nodeclass : "leaf",
+	    label : c.nodeValue
+	  });
+	  this.graph.addEdge(null, parent, id);
 	};
     };
     return this;
   };
-
-  // Recursively parse children
-  this.parseChildren2 = function (children) {
-    for (var i in children) {
-      var c = children[i];
-      if (c.nodeType === 1) {
-	if (c.getAttribute("title")) {
-	  var title = this.cleanTitle(c.getAttribute("title"));
-	  var childTree = this.addChild({ type : title });
-	  if (c.hasChildNodes())
-	    childTree.parseChildren2(c.childNodes);
-	}
-	else if (c.hasChildNodes())
-	  this.parseChildren2(c.childNodes);
-      }
-      else if (c.nodeType === 3)
-	if (c.nodeValue.match(/[-a-z0-9]/i)) {
-	  this.addChild({
-	    type : "leaf",
-	    word : c.nodeValue
-	  });
-	};
-    };
-    return this;
-  };
-
-
-  this.toTable = function () {
-    
-  };
-
-  var tree = document.createElement('tree');
-  html.innerHTML = snippet;
-  this.parseChildren2(html.childNodes);
 };
 
-// Make tree from snippet
 function translateTree (snippet) {
   var html = document.createElement("tree");
   html.innerHTML = snippet;
-  return new SnippetTree({ type : "ROOT" }).parseChildren(html.childNodes);
+  var st = new SnippetTree(new dagreD3.Digraph());
+  st.parseChildren(0, html.childNodes);
+  var g = st.graph;
+
+  // Root node has only one child
+  if (Object.keys(g._outEdges[0]).length === 1)
+    g.delNode(0);
+  return g;
 };
 
+function showTree (o, foundry, layer) {
+  var match = o.parentNode.parentNode;
 
+  var tree = d3.select(match).select("div > div.treeInfo");
+
+  if (tree.classed("active")) {
+    tree.classed("active", false);
+    return;
+  }
+  else if (!tree.select("svg").empty()) {
+    tree.classed("active", true);
+    return;
+  };
+
+  var corpusID = match.getAttribute('data-corpus-id');
+  var docID    = match.getAttribute('data-doc-id');
+  var matchID  = match.getAttribute('data-match-id');
+  var url      =
+    '/corpus' +
+    '/' + corpusID +
+    '/' + docID +
+    '/' + matchID +
+    '?foundry=' + foundry +
+    '&layer=' + layer +
+    '&spans=true';
+
+  jQuery.getJSON(url, function (res) {
+    var svg = tree.append("svg");
+    var svgGroup = svg.append("svg:g");
+    var treething = translateTree(res['snippet']);
+
+    var layout = renderer.run(treething, svgGroup);
+
+    svg.attr("width", layout.graph().width + 40)
+      .attr("height", layout.graph().height + 40);
+
+    tree.classed("active", true);
+  });
+};
diff --git a/public/sass/matchinfo.scss b/public/sass/matchinfo.scss
new file mode 100644
index 0000000..ac5830e
--- /dev/null
+++ b/public/sass/matchinfo.scss
@@ -0,0 +1,107 @@
+@charset "utf-8";
+
+@import "colors";
+
+ol > li:not(.active) {
+  .tokenInfo, .treeInfo {
+    display: none;
+  }
+}
+
+.tokenInfo, .treeInfo {
+  display: none;
+  background-color: $dark-orange;
+  margin-right: 26px;
+  overflow: auto;
+  &.active {
+    display: block;
+  }
+}
+
+.tokenInfo {
+  table {
+    font-size: 10pt;
+    padding: 3pt 10pt; /* wie in ol > li.active p */
+    /* All cells */
+    > tr {
+      > * {
+	padding: 1pt 6pt;
+	vertical-align: top;
+      }
+      > td {
+	text-align: center;
+	background-color: $light-orange;
+      }
+      /* header */
+      > th{
+	&:not([rowspan]) {
+	  color: white;
+	  text-shadow: none;
+	}
+	&[rowspan]:first-child {
+	  background-color: $light-orange;
+	}
+	span.switchSort {
+	  cursor: pointer;
+	  position: absolute;
+	  display: inline-block;
+	  right: 0;
+	  margin-right: -11pt;
+	  width: 20pt;
+	}
+      }
+      &:first-child th {
+	text-align: center;
+	background-color: $darker-orange;
+	/* first column header */
+	&:first-child {
+	  position: relative;
+	  padding-right: 20pt;
+	  padding-left: 5pt;
+	}
+	/* second column header */
+	&:nth-child(2) {
+	  text-align: left;
+	  padding-left: 20pt;
+	  padding-right: 5pt;
+	}
+      }
+    }
+  }
+}
+
+g.root > rect {
+  fill: none;
+  stroke-width: 5px;
+  stroke: $darker-orange;
+}
+
+g.middle > rect {
+  fill: $light-orange;
+  stroke: $darker-orange;
+  color: white;
+  stroke-width: 2px;
+  padding: 2px;
+}
+
+g.leaf > rect {
+  display: none;
+}
+
+svg {
+  background-color: $dark-orange;
+  overflow: hidden;
+}
+
+text {
+  font-family: verdana, tahoma, arial;
+  font-size: 9pt;
+  color: $dark-grey;
+  text-shadow: 1px 1px rgba(255, 255, 255, 0.4);
+}
+
+.edgePath path {
+  stroke: white;
+  stroke-width: 2px;
+  fill: none;
+}
diff --git a/public/sass/table.scss b/public/sass/table.scss
deleted file mode 100644
index 48f1799..0000000
--- a/public/sass/table.scss
+++ /dev/null
@@ -1,64 +0,0 @@
-@charset "utf-8";
-
-ol > li:not(.active) .tokenInfo {
-  display: none;
-}
-
-.tokenInfo {
-  display: none;
-  background-color: #ffa500;
-  margin-right: 26px;
-  overflow: auto;
-  &.active {
-    display: block;
-  }
-  table {
-    font-size: 10pt;
-    padding: 3pt 10pt; /* wie in ol > li.active p */
-    /* All cells */
-    > tr {
-      > * {
-	padding: 1pt 6pt;
-	vertical-align: top;
-      }
-      > td {
-	text-align: center;
-	background-color: #f4eebb;
-      }
-      /* header */
-      > th{
-	&:not([rowspan]) {
-	  color: white;
-	  text-shadow: none;
-	}
-	&[rowspan]:first-child {
-	  background-color: #f4eebb;
-	}
-	span.switchSort {
-	  cursor: pointer;
-	  position: absolute;
-	  display: inline-block;
-	  right: 0;
-	  margin-right: -11pt;
-	  width: 20pt;
-	}
-      }
-      &:first-child th {
-	text-align: center;
-	background-color: #ff8000;
-	/* first column header */
-	&:first-child {
-	  position: relative;
-	  padding-right: 20pt;
-	  padding-left: 5pt;
-	}
-	/* second column header */
-	&:nth-child(2) {
-	  text-align: left;
-	  padding-left: 20pt;
-	  padding-right: 5pt;
-	}
-      }
-    }
-  }
-}
diff --git a/templates/match.html.ep b/templates/match.html.ep
index 447ad32..99e6171 100644
--- a/templates/match.html.ep
+++ b/templates/match.html.ep
@@ -8,6 +8,7 @@
   <div>
     <div class="snippet"><%== $match->{snippet} %></div>
     <div class="tokenInfo"></div>
+%#    <div class="treeInfo"></div>
   </div>
   <p>
 % if ($match->{title}) {
@@ -25,7 +26,7 @@
 
 % }
     <li onclick="showTable(this)" title="Annotations"><i class="fa fa-info-circle"></i></li>
-%#    <li title="Tree Visualizations"><i class="fa fa-sitemap"></i></li>
+%#   <li onclick="showTree(this, 'xip', 'c')" title="Tree Visualizations"><i class="fa fa-sitemap"></i></li>
 %#    <li title="Remember"><i class="fa fa-star-o"></i></li>
   </ul>
 </li>
diff --git a/templates/partial/header.html.ep b/templates/partial/header.html.ep
index 2422819..a386f69 100644
--- a/templates/partial/header.html.ep
+++ b/templates/partial/header.html.ep
@@ -2,6 +2,7 @@
   <title><%= title %></title>
 %= asset 'korap.css'
 %= asset 'korap.js'
+
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=false, user-scalable=no" />
 </head>
diff --git a/templates/query.html.ep b/templates/query.html.ep
index 0eebd0c..c1d3153 100644
--- a/templates/query.html.ep
+++ b/templates/query.html.ep
@@ -1,4 +1,5 @@
 % use JSON::XS;
+% use Mojo::JSON;
 
 % if (stash('search.query') && stash('test_port')) {
 %   my $action;
@@ -9,7 +10,8 @@
 <pre class="query serial<%== $action // '' %>">
   <span>JSON-LD Serialization for <%= param 'q' %> (<%= param 'ql' %>)</span>
   <code>
-<%= $json->encode(stash('search.query')) =%>
+%# Workaround to keep true, false, and null intact
+%= $json->encode($json->decode(Mojo::JSON::encode_json(stash('search.query'))))
   </code>
 </pre>
 %= javascript begin
diff --git a/templates/tutorial/poliqarp-plus.html.ep b/templates/tutorial/poliqarp-plus.html.ep
index e7017d4..e62b260 100644
--- a/templates/tutorial/poliqarp-plus.html.ep
+++ b/templates/tutorial/poliqarp-plus.html.ep
@@ -273,9 +273,9 @@
 
 %= korap_tut_query poliqarp => 'matches(<s>,[tt/p=CARD][tt/p="N.*"])', cutoff => 1
 
-<!--
-<p>overlaps()</p>
--->
+<p>The <code>overlaps()</code> operation will match, when a second subquery has an overlapping span with the first subquery.</p>
+
+%= korap_tut_query poliqarp => 'overlaps([][tt/p=ADJA],{1:[tt/p=ADJA]}[])', cutoff => 1
 
 <blockquote class="warning">
   <p>Positional operators are still experimental and may change in certain aspects in the future (although the behaviour defined is intended to be stable). There is also known incorrect behaviour which will be corrected in future versions.</p>
@@ -317,9 +317,9 @@
 
 %= korap_tut_query poliqarp => 'focus(der {[]} Mann)'
 
-<p>This will limit the match to all interesting terms in between &quot;der&quot; and &quot;Mann&quot;. Or you may want to search for all words following the sequence &quot;der alte und neue&quot;:</p>
+<p>This will limit the match to all interesting terms in between &quot;der&quot; and &quot;Mann&quot;. Or you may want to search for all words following the sequence &quot;der alte und&quot; immediately:</p>
 
-%= korap_tut_query poliqarp => 'focus(der alte und neue {[]})'
+%= korap_tut_query poliqarp => 'focus(der alte und {[]})'
 
 <!--
 <p><code>focus()</code> is especially useful if you are searching for matches in certain areas, for example in quotes using positional operators.