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  2. Search theory - Wikipedia

    en.wikipedia.org/wiki/Search_theory

    The literature or research theory in economics regarding the Simultaneous Search in economics was first introduced by Stigler G. in 1961. [3] In Stigler's simultaneous search model, a consumer selects how many searches to conduct while sampling prices from a distribution.

  3. Data collection system - Wikipedia

    en.wikipedia.org/wiki/Data_collection_system

    Data collection systems are an end-product of software development. Identifying and categorizing software or a software sub-system as having aspects of, or as actually being a "Data collection system" is very important. This categorization allows encyclopedic knowledge to be gathered and applied in the design and implementation of future systems.

  4. Data collection - Wikipedia

    en.wikipedia.org/wiki/Data_collection

    Data collection or data gathering is the process of gathering and measuring information on targeted variables in an established system, which then enables one to answer relevant questions and evaluate outcomes. Data collection is a research component in all study fields, including physical and social sciences, humanities, [2] and business ...

  5. Quantum walk search - Wikipedia

    en.wikipedia.org/wiki/Quantum_walk_search

    In the context of quantum computing, the quantum walk search is a quantum algorithm for finding a marked node in a graph. [ 1 ] The concept of a quantum walk is inspired by classical random walks , in which a walker moves randomly through a graph or lattice .

  6. Multiple comparisons problem - Wikipedia

    en.wikipedia.org/wiki/Multiple_comparisons_problem

    Multiple comparisons arise when a statistical analysis involves multiple simultaneous statistical tests, each of which has a potential to produce a "discovery". A stated confidence level generally applies only to each test considered individually, but often it is desirable to have a confidence level for the whole family of simultaneous tests. [4]

  7. ANOVA–simultaneous component analysis - Wikipedia

    en.wikipedia.org/wiki/ANOVA–simultaneous...

    Simultaneous component analysis is mathematically identical to PCA, but is semantically different in that it models different objects or subjects at the same time. The standard notation for a SCA – and PCA – model is: = ′ + where X is the data, T are the component scores and P are the component loadings.

  8. Parallel computing - Wikipedia

    en.wikipedia.org/wiki/Parallel_computing

    Multiple-instruction-multiple-data (MIMD) programs are by far the most common type of parallel programs. According to David A. Patterson and John L. Hennessy, "Some machines are hybrids of these categories, of course, but this classic model has survived because it is simple, easy to understand, and gives a good first approximation. It is also ...

  9. Single program, multiple data - Wikipedia

    en.wikipedia.org/wiki/Single_program,_multiple_data

    With the (IBM) SPMD model the cooperating processors (or processes) take different paths through the program, using parallel directives (parallelization and synchronization directives, which can utilize compare-and-swap and fetch-and-add operations on shared memory synchronization variables), and perform operations on data in the shared memory ...