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Demonstrations of sentences where the semantic interpretation is bound to context or knowledge of the world. The large ball crashed right through the table because it was made of Styrofoam: ambiguous use of a pronoun: The word "it" refers to the table being made of Styrofoam; but "it" would immediately refer to the large ball if we replaced ...
Context-free grammars are a special form of Semi-Thue systems that in their general form date back to the work of Axel Thue. The formalism of context-free grammars was developed in the mid-1950s by Noam Chomsky, [3] and also their classification as a special type of formal grammar (which he called phrase-structure grammars). [4]
The name context-sensitive is explained by the α and β that form the context of A and determine whether A can be replaced with γ or not. By contrast, in a context-free grammar, no context is present: the left hand side of every production rule is just a nonterminal. The string γ is not allowed to be empty.
Time Magazine published its annual list of the 100 most influential people in the world, and this year's blurbs are really... something.After the publication settles on the final lineup of ...
Economic cost is the combination of losses of any goods that have a value attached to them by any one individual. [1] [2] Economic cost is used mainly by economists as means to compare the prudence of one course of action with that of another.
In business planning and management accounting, usage of the terms fixed costs, variable costs and others will often differ from usage in economics, and may depend on the context. Some cost accounting practices such as activity-based costing will allocate fixed costs to business activities for profitability measures. This can simplify decision ...
Examples of fixed costs include the depreciation of plant and equipment, and the cost of departments such as maintenance, tooling, production control, purchasing, quality control, storage and handling, plant supervision and engineering. [4] In the early nineteenth century, these costs were of little importance to most businesses.
For example, the manufacturing cost of a car (i.e., the costs of buying inputs, land tax rates for the car plant, overhead costs of running the plant and labor costs) reflects the private cost for the manufacturer (in some ways, normal profit can also be seen as a cost of production; see, e.g., Ison and Wall, 2007, p. 181).