The Quadratic Quotient Method: A Hash Code Eliminating Secondary Clustering Secondary clustering as a cause of hash code inefficiency is discussed, and a new hashing method based on its elimination is presented. Comparisons with previous methods are made both analytically and empirically. CACM February, 1970 Bell, J. R. hashing, hash code, scatter storage, calculated address, clustering, search, symbol table, collisions, keys, table look-up 3.74 4.9 CA700208 JB February 14, 1978 10:18 AM 1676 4 2107 1682 4 2107 1728 4 2107 1860 4 2107 1860 4 2107 1973 4 2107 1973 4 2107 1992 4 2107 2018 4 2107 2018 4 2107 2032 4 2107 2033 4 2107 2033 4 2107 2107 4 2107 2107 4 2107 2109 4 2107 2109 4 2107 2203 4 2107 2203 4 2107 2251 4 2107 2251 4 2107 2359 4 2107 2524 4 2107 2543 4 2107 2543 4 2107 2552 4 2107 2559 4 2107 2573 4 2107 2770 4 2107 2991 4 2107 3053 4 2107 1785 5 2107 1786 5 2107 1973 5 2107 1992 5 2107 2107 5 2107 2107 5 2107 2107 5 2107 2138 5 2107 2203 5 2107 2251 5 2107 2530 5 2107 2537 5 2107 2543 5 2107 2559 5 2107 2573 5 2107 2991 5 2107 3053 5 2107 3083 5 2107 911 6 2107 1328 6 2107 1329 6 2107 1785 6 2107 1785 6 2107 1785 6 2107 1785 6 2107 1785 6 2107 1785 6 2107 1785 6 2107 1786 6 2107 1786 6 2107 1786 6 2107 1786 6 2107 1786 6 2107 1786 6 2107 1973 6 2107 1973 6 2107 1973 6 2107 1973 6 2107 1973 6 2107 1992 6 2107 332 6 2107 2018 6 2107 2018 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2107 6 2107 2109 6 2107 2109 6 2107 2109 6 2107 2109 6 2107 2109 6 2107 2203 6 2107 2412 6 2107 2530 6 2107 2537 6 2107 2543 6 2107 2543 6 2107 2552 6 2107 2673 6 2107 2707 6 2107 2770 6 2107 492 6 2107