A binary language-theoretic operation is proposed, which is dual to the concatenation of languages in the same sense as the universal quantifier in logic is dual to the existenti...
A number of problems in computer science can be solved efficiently with the so called memory based or kernel methods. Among this problems (relevant to the AI community) are multime...
Although much progress has been made, current lowlevel based visual information retrieval technology does not allow users to formulate queries through high-level semantics. More a...
Reputation mechanisms offer an efficient way of building the necessary level of trust in electronic markets. Feedback about an agent’s past behavior can be aggregated into a me...
The number of documents that are indexed by a search engine is referred to as the size of the search engine. The information about the size of each underlying search engine is ess...