Agents in the Society of MindThe Society of the MindAgents and AgenciesCup of teaCommon SenseBlocksConflictRewardMemoryKnowledge-TreeEmotionLanguage AgencyAmbiguityOld Agents and New AgentsConfusion of AgentsReferencesAgents in the Society of Mind EEL 6938William WaltersThe Society of the Mind•Marvin Minsky–M.I.T. Professor–A.I., cognitive psychology, mathematics–Common sense reasoning•Book–Concept of how the mind works–Organization of bookAgents and Agencies•Mind is made up of many small processes, each small process is an agent•Agents have no intelligence•Agents can only do simple task•An agency is many agents put together•Agencies appear to have intelligenceCup of tea•Agents–Grasping–Balancing–Thirst –Moving•Millions of things going on and no one thinks about themCommon Sense•Making machines do common sense tasks are the most difficult•Children learn common sense early–Don’t use same block–What if tower sways•Is tower too tall•Is foundation insecure•Was last block placed too roughlyBlocks•Why Blocks •1960’s built builderConflict•Conflicts go to higher agents and weaken themReward•Snarc, maze and predator •Couldn’t solve complicated problems•Only learn last steps before reward•Reinforcement learning not for complicated problems•Beavers and damsMemory•K-Lines•Bicycle exampleKnowledge-Tree•Jack is flying his kiteEmotion•Can intelligent machines have emotion?•Can machines be intelligent without emotions?•Thoughts and emotions intertwined–Anger–Thirst–Hunger–FearLanguage Agency•Agents–Polynemes – long-term memories– Isonomes – short-term memoriesAmbiguity•I wrote a note to my sister.–Comment–Banknote–Musical Sound•The astronomer married the star.•John shot two bucks.Old Agents and New Agents•Old agents know less than new ones•Old agents are the foundation the new•Losing old agentsConfusion of AgentsReferencesMinsky, Marvin. The Society of the Mind, Simon and Schuster, New York