Quote: a research program for AI is to hand-code a broad knowledge base, then acquire knowledge through reading, and finally learn by discovery [»lenaDB1_1991]

Quote: artificial intelligence requires a representation of the world; relates to traditional problems of philosophy [»mccaJ_1969]

Quote: artificial intelligence requires knowledge, lots of it [»mostJ11_1985]

Quote: artificial intelligence represents the task environment with a symbolic structure and a systematic correspondence

Quote: knowledge programming gives the programmer program-level control over problem-level knowledge [»abboRJ8_1987]

Quote: the knowledge principle: the power of AI depends on the program's knowledge of its task domain instead of the program's reasoning processes [»feigEA5_1996]

Quote: AI's data structures are primitive examples of representations that understand themselves; can conceivably replace the homunculus with an army of mechanical homunculi

Quote: a goal for expert-systems is for users to create and maintain the knowledge base; currently high maintenance cost [»bobrDG9_1986]

Quote: the intelligence of a system is frozen in content and structure of its database [»mccrDL10_1984]

Quote: if we identify the theme that a person is operating under, we can predict his pattern of goals; e.g., garabageman collects garbage because of job [»schaRC_1981]

Quote: the key problem it determining plans is understanding the kinds of goals that people ordinarily pursue [»schaRC_1981]

Quote: any collection of knowledge about something can be modeled to any degree of detail by an appropriate plex; nothing simpler; foundation of the Computer-Aided Design System [»rossDT_1963]

Quote: although IS-A links are widely used for classification, they have different meanings in different knowledge-representation systems [»bracRJ10_1983]

Quote: an attack tree is an AND/OR threat model; OR nodes are alternative attacks, AND nodes are steps to implement the attack [»schnB_2000]

Quote: evaluate a system's vulnerabilities by propagating leaf nodes to the attack tree's root; e.g., PGP

Quote: for simple level intelligence, it is better to use the world as its own model [»brooRA1_1991]

Quote: the real world is its own best model; up to date, detailed, symbolic representation irrelevant; need to sense it appropriately and often enough

Quote: KRL organizes knowledge by conceptual entities with associated descriptions

Quote: the main operations for KRL are augmenting descriptions for new knowledge, matching descriptions, and searching for matching descriptions [»bobrD1_1977]

Quote: each row of a relation represents an assertion; like a knowledge base; e.g., person A is an employee of the company with these properties [»coddEF_1990]

Quote: if allow duplicate rows, then all users need to agree on its meaning; no precise, context-independent interpretation [»coddEF_1990]

Quote: the sharing of data requires the sharing of its meaning; a single, simple, explicit description of every row of every relation

Quote: the database description is like a knowledge base

Quote: the heart of meaning representation is the representation of events; events at core of CD (conceptual dependency)

Quote: in CD, events are represented independent of sentences and words; these representations use predefined schemas with rule governed slots [»schaRC_1981]

Quote: in 'John went to New York', the CD object is also 'John' because of a rule attached to the verb 'go', i.e., 'John went John to New York' [»schaRC_1981]

Quote: CD needs a set of meaning primitives to work in the most general way possible without duplicating information [»schaRC_1981]

Quote: slot filling is a major role of CD descriptions, whether for parsing sentences or making inferences; unknown elements from sentence or general knowledge [»schaRC_1981]

Quote: a microworld is a well-defined, limited world with interesting events and educational ideas; e.g., blocks world [»goldEP8_1982]

Quote: a planbox is a stereotypical method of attempting a goal; it has preconditions, an action, and a goal; e.g., ASK whose action is MTRANS [»schaRC_1981]

Quote: a script gives the appropriate behavior for a standard situation; e.g., asking a waitress for food in a restaurant script [»schaRC_1981]

Quote: a new situation invokes a frame from memory; includes expectations and assumptions; modify as needed [»winoT_1986]

Quote: attached to each frame is how to use it, what will happen next, what to do if expectations fail [»minsM_1981]

Quote: every script includes roles; the actors in a story take on the roles of the script on instantiation; unfilled roles are assumed [»schaRC_1981]

Quote: in stories without available scripts, we reconstruct the planning process of each character to determine their plans and goals [»schaRC_1981]

Quote: skeptical about knowledge representation even though it is fundamental to cognitive science, linguistics and artificial intelligence [»winoT_1986]

Quote: what matters is the nature of ideas; they will always be hard to develop, organize, and transmit [»nelsTH_1974]

Quote: general AI methods failed when the specialized knowledge needed for real-world problems swamped their heuristic methods and data encodings

Quote: early AI work did not appreciate the sheer amount and variety of specialized knowledge underlying intelligent behavior [»lindRK6_1993]

Quote: psychology must posit internal representations, but something is a representation only for or to someone; i.e., a homunculus that leads to an infinite regress [»dennDC_1978a]

Quote: current knowledge representation systems are a house of cards built on a low-level foundation with many middle layers [»bobrD1_1977]