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Data Life Cycle The design, collection, quality control, metadata description,
curation, discovery, integration, and analysis of data.
Data Protection The law, and/or means of enforcement of the law, protecting private or sensitive data and exercising the right to data privacy.
Data Quality The standard of data relative to its intended use. Data quality involves
the validity, completeness, precision (accuracy), resolution, and provenance of
the data.
Data Utility The value and employability of data to solve a problem or answer a
question and utility is often balanced against (in tension with) privacy.
Data Validity The correctness and quality of the data in hand.
Database A collection of information organized to provide efficient storage,
update, and retrieval. To perform these tasks, specialized software, namely,
Database Management Systems are used.
Decentralized FEW System A system in which food, energy, and water resources
are produced in many smaller-scale and dispersed locations, closer to the consumer. Examples include urban and peri-urban agriculture and backyard food
production, localized electrical mini-grids utilizing solar, wind, or geothermal
energy, and well-water systems. Decentralized systems are characterized by their
greater potential for resilience than centralized systems.
Decision Science The interdisciplinary study of human decision-making at the
individual, collective, and institutional levels. Decision science incorporates
theories and techniques from psychology, behavioral economics, and statistics,
among others, to investigate how people make decisions.
Decision Support System for Agrotechnology Transfer (DSSAT) A communitydeveloped software application program that comprises dynamic crop growth
simulation models for over 40 crops.
Decoupling A design strategy that reduces connections and interdependencies
between systems and subsystems; this reduces the vulnerability of connected
infrastructures to unwanted changes and to cascading failures.
Degrowth The overall down-scaling of production and consumption to reduce the
environmental impact of human activities.
Demography The statistical study of a population, its composition, attributes and
changes over time.
Destination (Economics) The location in space and time, and the system agent,
where a good or service is delivered; usually this agent consumes the good or
service, uses it to produce something else, or stores the goods.
Differential Privacy A database technology that allows users to query only those
fields and joins that are permitted based on their credentials.
Disaggregation (Modeling) A technique that attempts to reverse aggregation and
achieve finer resolution using assumptions which trade reduced validity for
increased precision.
Discount Rate The rate that converts effects occurring in future times so they are
on the same basis and can be compared. Use of the discount rate converts future
dollars into ones equivalent with present dollars.
Glossary
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