fix

book/node_modules/lunr/notes

@@ -0,0 +1,47 @@
+1 - "Mr. Green killed Colonel Mustard in the study with the candlestick. Mr. Green is not a very nice fellow."
+2 - "Professor Plumb has a green plant in his study."
+3 - "Miss Scarlett watered Professor Plumb's green plant while he was away from his office last week."
+
+l1 = 19
+l2 = 9
+l3 = 16
+
+q1 - "green"
+q1 = [0.0, 0.71]
+
+1 = [0.0, 0.0747]
+2 = [0.0, 0.1555]
+3 = [0.0, 0.0875]
+
+green : total count = 4, idf = 0.71
+mr : total count = 2, idf = 1.40
+the : total count = 2, idf = 1.40
+plant : total count = 2, idf = 1.40
+
+q2 = "Mr. Green"
+q2 = [1.4, 0.71]
+
+1 = [0.147, 0.0747]
+2 = [0, 0.1555]
+3 = [0, 0.0875]
+
+q3 = "the green plant"
+q3 = [0.5, 0.25, 0.5]
+
+1 = [1, 0.5, 0]
+2 = [0, 0.25, 0.5]
+3 = [0, 0.25, 0.5]
+
+Inverse Index as a trie
+values are {docId: score} where score is the sum of tf across fields, with multipliers applied
+when querying calculate the idf and multiply it by the tf
+
+for a multi term query generate a vector using the idf
+find all the documents that match both queries, and generate a tf*idf 
+
+word: {
+  totalCount: 123,
+  docs: 
+}
+
+