Glossary

A repository of acronyms, jargon, and useful words for product and customer teams

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A

Anomaly Detection

Anomaly detection is the process of finding data points that are outliers from the rest of a data set.

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Apache Arrow

Apache Arrow a language-agnostic software framework for developing data analytics applications that process columnar data. It contains a standardized column-oriented memory format that is able to represent flat and hierarchical data for efficient analytic operations.

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Apache DataFusion

DataFusion is an in-memory query planning, optimization, and execution framework. DataFusion was created in 2017 and donated to the Apache Arrow project in 2019.

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Apache Parquet

Apache Parquet is an open source columnar data file format that supports different encoding and compression schemes to optimize it for efficient data storage and retrieval in bulk.

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ARIMA

An Autoregressive Integrated Moving Average (ARIMA) model is a widely used time series forecasting technique.

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C

CAP Theorem

CAP theorem is a computer science theory related to the tradeoffs involved with designing distributed databases.

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Cardinality

In the context of databases cardinality is the number of unique sets of data stored in a database. Specifically, it refers to the total number of unique values possible within a table column or database equivalent.

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Column Database

Column databases are a type of DBMS that store data formatted in columns rather than rows and are optimized for analytics workloads.

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D

Database as a Service(DBaaS)

Database-as-a-service (DBaaS) is a cloud computing service that provides access to a cloud database system without needing to set up, configure, or manage software or physical infrastructure.

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E

Edge Computing

Edge computing is a type of computing that happens near a data source. It allows you to perform computing tasks as close to an IoT device or end user as possible instead of using a data center or the cloud.

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I

IoT Devices

The Internet of Things refers to the network of interconnected "things" with sensors, software, processing ability, and other technologies that connect and exchange data with other internet-connected devices. IoT devices include smartphones, medical sensors, fitness trackers, smart security systems, and other technologies.

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O

Online Analytical Processing (OLAP)

Online Analytical Processing (OLAP) is an approach to working with typically multidimensional data for analytics use cases.

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OPC Unified Architecture (OPC UA)

OPC UA is a cross-platform standard for moving data between sensors and cloud applications.

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P

Prometheus metrics

Prometheus stores four metric types for monitoring needs: counters, gauges, histograms, and summaries.

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S

SCADA (Supervisory Control And Data Acquisition)

SCADA stands for Supervisory Control and Data Acquisition. A SCADA system is usually a collection of both software and hardware components that allow supervision and control of industrial plants.

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Seasonality

Seasonality is the presence of regular and predictable change in time series data.

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Stationarity

Stationarity refers to a time series where the statistical properties of that series don’t depend on the time when observing it.

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SQL

SQL is a domain specific language used in programming and designed for managing data held in a relational database management system.

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