markov chain generation is pretty decent

examples/word_count/views/markov/chain-map.js

@@ -0,0 +1,6 @@
+function(doc){
+  var words = doc.text.split(/\W/).filter(function(w) {return w.length > 0}).map(function(w){return w.toLowerCase()});
+  for (var i = 0, l = words.length; i < l; i++) {
+    emit(words.slice(i,4),doc.title);
+  }
+}

examples/word_count/views/markov/chain-reduce.js

@@ -0,0 +1,7 @@
+function(key,vs,c){
+  if (c) {
+    return sum(vs);
+  } else {
+    return vs.length;
+  }
+}