Indexing Text with Approximate q-Grams. - Gonzalo Navarro 001; Erkki Sutinen; Jani Tanninen; Jorma Tarhio (CPM, 2000)

String Matching with Stopper Encoding and Code Splitting. - Jussi Rautio; Jani Tanninen; Jorma Tarhio (CPM, 2002)

String Matching with Stopper Compression. - Jussi Rautio; Jani Tanninen; Jorma Tarhio (DCC, 2002)