patternsfrom

Patternsfrom is a concept used in data mining and pattern recognition to denote an operation that derives recurring patterns from a given data source. It is commonly described as a functional or methodological step that transforms raw data into a structured set of pattern instances, rather than simply locating single matches. The term is not tied to a single standard library or language, but appears in research papers and practical notes to describe a generic pattern extraction workflow.

Mechanism and inputs. Patternsfrom typically accepts a data collection, such as a time series, text corpus, or sequence of events, together with a set of pattern templates or candidate representations. It may also incorporate filters for noise, constraints on pattern length, and similarity or scoring metrics. The process involves scanning the data, aligning segments with templates, and evaluating matches according to defined criteria. The result is a collection of pattern instances that meet the specified thresholds, each annotated with attributes like position, frequency or support, and a confidence or score.

Outputs and interpretation. The output of a patternsfrom operation is usually a structured summary of patterns, including their occurrences and metadata that support downstream analysis such as forecasting, anomaly detection, or classification. The approach emphasizes the extraction of repeatable structures rather than one-off matches, enabling more robust insights from complex data.

Applications and considerations. Patternsfrom concepts appear in time-series mining, motif discovery, text and sequence mining, and feature engineering. Practical use requires careful consideration of template design, computational cost, and the balance between sensitivity and precision to avoid overfitting or spurious patterns.

See also: pattern mining, motif discovery, sequence mining, pattern matching.