4 papers:
IJCAR-2008-BenzmullerPTF #automation #higher-order #logic #named #proving #theorem proving- LEO-II — A Cooperative Automatic Theorem Prover for Classical Higher-Order Logic (System Description) (CB, LCP, FT, AF), pp. 162–170.
SIGMOD-2002-MarklL #learning- Learning table access cardinalities with LEO (VM, GML), p. 613.
VLDB-2001-StillgerLMK #learning #named- LEO — DB2’s LEarning Optimizer (MS, GML, VM, MK), pp. 19–28.
CADE-1998-BenzmullerK98a #higher-order #proving #theorem proving- System Description: LEO — A Higher-Order Theorem Prover (CB, MK), pp. 139–144.