Hash on indexing and query
Indexer: 1: Establish index, generate Dictionary Table 2: Generate a Hash Index (WordHash), Hash: Word (Keyword Strings) VALUE: WordId (Word) Value: WordId (Word) VALUE: WordId (Word), You can retrieve the NodeID corresponding to Word)
Query: 1: Use the obtained Word in WordHash to get the WordID2 corresponding to the Word: Retrieve the corresponding NodeID according to the WordID in InvertEDIndex
