N-gram
Definition of N-gram
An n-gram is a contiguous sequence of n items from a given text or speech. N-grams are used to study linguistic patterns and to generate text samples.
An n-gram is a contiguous sequence of n items from a given text or speech. N-grams are used to study linguistic patterns and to generate text samples.
Definition of Latent Dirichlet Allocation Latent Dirichlet Allocation: Latent class analysis (LCA) is a technique used in statistics and data mining for the analysis of categorical data. LCA is a type of cluster analysis that seeks to identify a finite number of unobserved classes (clusters) within a population. The detected classes are latent, meaning they…
Definition of Zero-Sum Game Zero-Sum Game: In game theory, a zero-sum game is a mathematical model of a situation in which each participant’s gain or loss of utility is exactly balanced by the losses or gains of the other participants. If the total gains from the interactions of all participants are net zero change, then…
Definition of Objective Function An objective function (in machine learning) is a mathematical formula used to calculate the relative merit of each possible solution to a problem. The objective function takes into account the inputs and outputs of a problem, as well as any constraints that may exist. It then calculates a score for each…
Definition of Spatiotemporal Data Spatiotemporal data is data that captures the relationship between spatial and temporal information. This can include things like GPS data, sensor readings, or images. Spatiotemporal data is often used in geography and climate studies, as well as in traffic analysis.
Definition of Population Population: A population is the complete set of all individuals or items under consideration. In statistics, a population is often described by its parameters, such as its mean and standard deviation. The population can also simply be defined as the entire set of items or cases to be studied.
Definition of Query Optimization Query Optimization: Query optimization is a technique used by database administrators to improve the performance of database queries. It involves analyzing the structure of the query and the data in the database, and then choosing an execution plan that will produce the results as quickly as possible.