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   Powerset (company)

   Powerset is a company based in San Francisco, California that is developing a natural language search engine for the Internet. Powerset is working on building a natural language search engine that can find targeted answers to user questions (as opposed to keyword based search).
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   Power set

   In mathematics, given a set S, the power set (or powerset) of S, written , P(S), ℘(S) or 2S, is the set of all subsets of S, including the empty set and S itself.
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   Powerset construction

   In the theory of computation, the powerset construction or subset construction is a standard method for converting a nondeterministic finite automaton (NFA) into a deterministic finite automaton (DFA) which recognizes the same formal language.
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   List of search engines

   This is a list of Wikipedia articles about search engines, including web search engines, selection-based search engines, metasearch engines, desktop search tools, and web portals and vertical market websites that have a search facility for online databases. ... Powerset
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   Nondeterministic finite state machine/Proofs

   Main article: Nondeterministic finite state machine ... The idea of Powerset construction was originally derived from this proof idea.
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   Code (set theory)

   In set theory, a code for a set ... Using a pairing function on ω (such as (n,k) goes to (n2+2·n·k+k2+n+3·k)/2), we can map the powerset of ω×ω into the powerset of ω.
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   Symbolic combinatorics

   In mathematics, symbolic combinatorics is a technique of counting combinatorial objects by using the internal structure of the objects to derive formulas for their generating functions. ... The set (or powerset) construction, denoted by
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   Alternating finite automaton

   In automata theory, an alternating finite automaton (AFA) is a nondeterministic finite automaton whose transitions are divided into existential and universal transitions. ... A basic theorem tells that any AFA is equivalent to an non-deterministic finite automaton (NFA) by performing a similar kind of powerset construction as it is used for the transformation of an NFA to a deterministic finite automaton (DFA).
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   Natural language search engine

   A natural language search engine is a search engine designed to search for information on the World Wide Web using techniques of Natural language processing, such as question answering. ... Powerset — On May 11, 2008, the company unveiled a tool for searching a fixed subset of Wikipedia using conversational phrases rather than keywords.
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    The Founders Fund

    The Founders Fund is a San Francisco, California venture capital firm that has led several early stage funding rounds for well known Web 2.0 start-up companies. ... The Founders Fund has made numerous investments including SpaceX, Facebook.com, Geni.com, IronPort, Ooma, Powerset, Quantcast, Rapleaf, slide.com, and SmartDrive Systems.

Explore the following pages on Powerset:

• Powerset (company),
• Power set,
• Powerset construction,
• List of search engines,
• Nondeterministic finite state machine/Proofs,
• Code (set theory),
• Symbolic combinatorics,
• Alternating finite automaton,
• Natural language search engine,
• The Founders Fund

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