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parade

Dataset card Data Studio Files
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Definition1
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hash function
turn the key that is provided into the index in the array where we want to put the data
a formula that provides a home position in the hash table for data
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hash function
performs two separate functions 1) key generation 2) constrain the key to a positive value less than the size of the table
(...) is a function that takes a group of characters (called a key) and maps it to a value of a certain length.
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hash function
a function that takes in the key to compute a specific hash index.
a formula that provides a home position in the hash table for data
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hard problem
philosophical question as to why and how brain activity becomes conscious
given this universe composed of matter and energy, why is there such a thing as consciousness.
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necessary condition
something is required to get a certain outcome
when one thing must happen or be the case for something else to happen or be.
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necessary condition
when one thing must happen or be the case for something else to happen or be.
a condition that must hold in order for something else to obtain
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necessary condition
something is required to get a certain outcome
a condition that must hold in order for something else to obtain
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necessary condition
b is a necessary condition for a whenever a cannot occur without the occurrence of b
when a cannot occur without the occurrence of b, b is this
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necessary condition
a condition without which another event cannot occur. it is like a prerequisite or requirement.
a condition that is required to be done, achieved, or present; needed; essential. the &"y&" within an if-then assertion.
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necessary condition
-condition that must be present in order for an event to occur -the condition represented by the consequent in a conditional statement
an event or circumstance whose occurrence is required in order for a sufficient condition to occur
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code reuse
the benefit of using modules because you are writing code to a perform a task once and then reusing it each time you need to perform the task.
write a module once and use it in other places if wanted
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code reuse
a benefit of using modules that helps to reduce the duplication of code within a program
code reuse involves writing code once, then using it over and over without having to make changes. functions are an important tool for code reuse.
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code reuse
code that can be used for some future use, project, etc. typically better to write clean code that can be minimally modified/refactored in the future.
reusing someone else's code, which saves development time and money and adds security. however, attacks can exploit reused code.
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code reuse
a benefit of using modules that helps to reduce the duplication of code within a program
write a module once and use it in other places if wanted
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code reuse
reusing someone else's code, which saves development time and money and adds security. however, attacks can exploit reused code.
snippets of code that were previously used get put into new code to do same function speeds up process but may enter bring errors into new code
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code reuse
code that can be used for some future use, project, etc. typically better to write clean code that can be minimally modified/refactored in the future.
snippets of code that were previously used get put into new code to do same function speeds up process but may enter bring errors into new code
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code reuse
code reuse involves writing code once, then using it over and over without having to make changes. functions are an important tool for code reuse.
write a module once and use it in other places if wanted
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mobile systems
are information systems that support users in motion. mobile system users can access the system from any place using any smart device.
information systems that support users in motion, access from any place.
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mobile systems
- no support for swapping - flash memory instead of large hard disk - avoid swapping due to space constraint, due to limited number of writes to flash memory
system that typically does not support swapping
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multiprocessor systems
systems which have two or more processors, each with a single-core cpu
systems with 2 or more processors in close communication sharing the computer bus, clock, memory, and peripherals
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virtual organizations
organizations in which the product, the process, and the delivery agent are all digital
networks of independent companies, suppliers, customers, and manufacturers connected via information technologies so they can share skills and costs and have access to each other's markets
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virtual organizations
internet-linked networks of value-adding subcontractors
organizations in which the product, the process, and the delivery agent are all digital; also called pureplay organizations
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virtual organizations
organizations in which the product, the process, and the delivery agent are all digital
organizations that consist of diverse people, groups, and networks that are geographically dispersed and that rely on information and communication technologies for communication and coordination of activities.
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virtual organizations
internet-linked networks of value-adding subcontractors
networks of independent companies, suppliers, customers, and manufacturers connected via information technologies so they can share skills and costs and have access to each other's markets
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feature selection
within any supervised learning algorithm. make a decision to ignore all or some features.
an extraction method that selects bands that best assist in discriminating classes that reduces redundant spectral info
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feature selection
select minimal set of features where probability distribution of the predicted class is close to the one obtained by all the features
attentionally selecting things based on physical property (color, shape, size) & feature selected for pops out in visual field
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feature selection
selecting the most useful features to train on among existing features
feature selection is selecting the best features from given features by eliminating redundant features.
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feature selection
selecting the best feature by eliminating irrelevant/ redundant features.
selecting the most useful features to train on among existing features
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feature selection
selecting the best feature by eliminating irrelevant/ redundant features.
feature selection is selecting the best features from given features by eliminating redundant features.
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feature selection
-one of the initial stages of data mining - the selection of attribute in your data that are most relevant to the predictive modeling program
1. make sure variables are reasonable/relevant 2. get familiar with the data through graphs and summaries 3. correlation analysis
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feature selection
within any supervised learning algorithm. make a decision to ignore all or some features.
how we pick out good, useful features from the very large, perhaps infinite, collection of possible features.
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digital images
-these kinds of images are a large collection of individual pixels organized in a matrix of rows and column
made of pixels more pixels gives higher resolution and better quality high resolution requires a larger memory storage image files are bitmaps or vectors
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base station
-acts like a hub; other stations send network traffic to it, which it broadcasts out for all stations to receive -wap (wireless access point)
- responsible for sending and receiving data to/from host - each host associated with one (within coverage of it, relays data to larger network through it)
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base station
typically connected to wired network ex. cell towers, 802.11 access points
a network's centrally located wireless access point that interprets incoming radio frequencies and routes communications to the appropriate devices.
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base station
a fixed transceiver and antenna used to create one cell within a cellular network.
serves each cell in allocating a band of frequencies consisting of transmitter, receiver, and control unit.
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base station
fixed two way radio
any radio hardware containing a transmitter and receiver that is located in a fixed place.
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base station
a network's centrally located wireless access point that interprets incoming radio frequencies and routes communications to the appropriate devices.
- responsible for sending and receiving data to/from host - each host associated with one (within coverage of it, relays data to larger network through it)
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base station
any radio hardware containing a transmitter and receiver that is located in a fixed place.
fixed two way radio located in base defense operation centers (bdoc)
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base station
typically connected to wired network ex. cell towers, 802.11 access points
-acts like a hub; other stations send network traffic to it, which it broadcasts out for all stations to receive -wap (wireless access point)
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integrity constraints
model domain environment model based constraints - domain - null - key - referential integrity semantic constraints -managed by the application
domain constraint key constraint
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integrity constraints
rules limiting acceptable values and actions whose purpose is to facilitate maintaining the accuracy and integrity of the database
rules limiting acceptable values of data and actions that can be performed on a database
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integrity constraints
-primary key values must be unique -primary key values cannot be null -foreign key values must exist in the primary key of the referenced relations.
primary key values must be unique and cannot be null, foreign key values must exist in primary key of referenced relations (referential integrity) and may be null
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integrity constraints
rules to ensure quality of info
rules that help ensure the quality of the information in a relational database
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integrity constraints
-rules limiting acceptable values of data and actions that can be performed on a database -purpose is to maintain the accuracy and integrity of data in a database
rules limiting acceptable values and actions whose purpose is to facilitate maintaining the accuracy and integrity of the database
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integrity constraints
business rules that we allow our information system to enforce for us
business rules that we allow our information system to enforce. lets us maintain the integrity of our data
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integrity constraints
constraints that provide a way of ensuring that changes made to the database by authorized users do not result in a loss of data consistency
rules limiting acceptable values and actions whose purpose is to facilitate maintaining the accuracy and integrity of the database
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integrity constraints
constraints that provide a way of ensuring that changes made to the database by authorized users do not result in a loss of data consistency
rules limiting acceptable values of data and actions that can be performed on a database
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integrity constraints
conditions that must hold on all valid relation instances
conditions that the records in a relation must satisfy
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conceptual models
sets of concept that address phenomena
represent a less formal attempt to explain phenomena than theories, deal with abstractions, assembled in a coherent scheme
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conceptual models
sets of concept that address phenomena
represent a less formal attempt to explain phenomena than theories deal with abstractions, assembled in a coherent scheme ex: pender's health promotion model
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conceptual models
a high level description of how a system works and is organised.
mental models of rhings formed through experience, training, instruction
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conceptual models
provide a schematic representation of some relationships among phenomena
use symbols or diagrams to represent an idea
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conceptual models
-consist of interrelated concepts -represent a less formal attempt to explain phenomena than theories -can generate hypotheses based on middle-range theories
represent a less formal attempt to explain phenomena than theories deal with abstractions, assembled in a coherent scheme examples include pender's health promotion model and theory of planned behavior
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conceptual models
use symbols or diagrams to represent an idea
is a set of interrelated concepts that symbolically represents mental image or phenomena
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conceptual models
provide a schematic representation of some relationships among phenomena
is a set of interrelated concepts that symbolically represents mental image or phenomena
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conceptual models
a verbal or graphical explanation of how a system works or is organized design model --> system image -- user's model
designer's model may not match user's model users get model from experience & usage, only work with system image
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conceptual models
-set of abstract general concepts assembled to address a phenomena -represent a less formal attempt than theories to explain phenomena -do not have formal propositions about relationships among phenomena
-consist of interrelated concepts -represent a less formal attempt to explain phenomena than theories -can generate hypotheses based on middle-range theories
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conceptual models
represent a less formal attempt to explain phenomena than theories, deal with abstractions, assembled in a coherent scheme
-consist of interrelated concepts -represent a less formal attempt to explain phenomena than theories -can generate hypotheses based on middle-range theories
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conceptual models
sets of concept that address phenomena
-consist of interrelated concepts -represent a less formal attempt to explain phenomena than theories -can generate hypotheses based on middle-range theories
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conceptual models
- integrates all external views, comprehensive, global; logical design, sw and hw independent - even more comprehensive than external - type of logical model
focus on logical nature of data (er models)
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social context
relationship of speaker and listener or the audience and the expectations involved in that relation; relation to physical context
relationship between participants
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social context
relationship between participants
relationship of speaker and listener or the audience and the expectations involved in that relationship
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social context
relationship of speaker and listener or the audience and the expectations involved in that relation; relation to physical context
relationship of speaker and listener or the audience and the expectations involved in that relationship
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social context
facilitates or hinders learning
may facilitate cognitive functioning by structuring and mediating the learning environment
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product line
the sum of related individual product items
a group of closely related product items viewed as a unit because of marketing, technical, or end-use considerations
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product line
a group of closely-related product items ( beware of cannibalization )
a group of closely related product items viewed as a unit because of marketing, technical, or end-use considerations
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product line
a group of closely-related product items ( beware of cannibalization )
the sum of related individual product items
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product line
a group of product that are closely related because they function in a similar manner and are sold to the same customer group (line of vans shoes).
a group of products linked through usage, customer profile, price points, and distribution channels or needs satisfaction
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java virtual machine
a program that interprets java bytecode and converts it to native machine code for the processor
jvm - program needed to run java byte code - comes with mac - acts like a computer
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java virtual machine
the term in which it has an acronym of javavm
it interprets bytecode for program execution
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virtual world
a world that exists in cyberspace where people can establish avatars, purchase land, and interact with others.
is an online world where you can meet and interact with other people or computer players.
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virtual world
a virtual world is a computer-based online community environment that is designed and shared by individuals so that they can interact in a custom-built, simulated world
a computer generated environment
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virtual world
&"computer based simulated environment&" and it is widely used by nowadays. it's a technique in which virtual 3d environment is generated which looks very much real to the users.
a simulated environment designed for users to interact via avatars p. 313
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virtual world
a world that exists in cyberspace where people can establish avatars, purchase land, and interact with others.
this is an unreal world which does not exist in the real world.
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virtual world
&"computer based simulated environment&" and it is widely used by nowadays. it's a technique in which virtual 3d environment is generated which looks very much real to the users.
a computer generated environment
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virtual world
a simulated environment designed for users to interact via avatars p. 313
a computer generated environment
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virtual world
this is an unreal world which does not exist in the real world.
is an online world where you can meet and interact with other people or computer players.
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design principles
perception, memory, decision, design standards (like safety diagram standards)
broad ideas about the practice of design, as well as rules and hints about how to best use specific user interface and interaction design idioms.
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design principles
quality designs have: - abstraction - modularity: couping and cohesion - information hiding - simplicity - hierarchy
abstraction, encapsulation, modularity, hierarchy
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design principles
understanding the design elements of form, texture and color and the way they influence hairstyles allows designers to explore different arrangement patterns that can be created with them.
the rules that describe how designers might put together various design elements to create an aesthetic finished product. balance/symmetry, rhythm/pattern, movement, harmony, contrast, emphasis, proportion/scale, and unity.
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design principles
the way of using design elements together
broad ideas about the practice of design, as well as rules and hints about how to best use specific user interface and interaction design idioms.
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design principles
scale, proportion, ballance, movement, rhythm, emphasis, unity with variety
are balance/symmetry, rhythm/pattern, movement, harmony, contrast, emphasis, proportion/scale, and unity.
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design principles
-program to an interface and not to implementation -encapsulate variation; open to extension, close to modification -favor object composition over inheritance -delegate responsibilities
1. program to an interface, not an implementation 2. identify the aspects of the application that vary
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design principles
the way of using design elements together
evaluate the existing design, collect data, and guide the design process
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design principles
balance, proportion, dominance, rhythm, contrast, harmony, variety, unity
are balance/symmetry, rhythm/pattern, movement, harmony, contrast, emphasis, proportion/scale, and unity.
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design principles
1) unity and variety 2) balance 3) emphasis and subordination 4) directional forces 5) contrast 6) repetition and rhythm 7) scale and proportion
are balance/symmetry, rhythm/pattern, movement, harmony, contrast, emphasis, proportion/scale, and unity.
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design principles
evaluate the existing design, collect data, and guide the design process
broad ideas about the practice of design, as well as rules and hints about how to best use specific user interface and interaction design idioms.
1
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design principles
understanding the design elements of form, texture and color and the way they influence hairstyles allows designers to explore different arrangement patterns that can be created with them.
the rules that describe how designers might put together various design elements to create an aesthetic finished product.
0
0
design principles
balance, proportion, dominance, rhythm, contrast, harmony, variety, unity
1) unity and variety 2) balance 3) emphasis and subordination 4) directional forces 5) contrast 6) repetition and rhythm 7) scale and proportion
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design principles
evaluate the existing design, collect data, and guide the design process
perception, memory, decision, design standards (like safety diagram standards)
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design principles
generalizable abstractions intended to orient designers toward thinking about different aspects of design
generalizable abstractions for thinking about different aspects of design
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design principles
1) unity and variety 2) balance 3) emphasis and subordination 4) directional forces 5) contrast 6) repetition and rhythm 7) scale and proportion
scale, proportion, ballance, movement, rhythm, emphasis, unity with variety
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design principles
balance: formal balance, informal balance movement proportion white space (isolation) contrast clarity and simplicity unity continuity
consistency center of interest balance harmony/ unity contrast rhythm directional movement perspective variety
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design principles
the way of using design elements together
-design to fit all ----design for adjustability ----provide different sizes -design for extremes ----inclusion ----exclusion -cost effective accommodation ----design for range 5th-95th ----increasingly common is 1st to 99th
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design principles
-design to fit all ----design for adjustability ----provide different sizes -design for extremes ----inclusion ----exclusion -cost effective accommodation ----design for range 5th-95th ----increasingly common is 1st to 99th
broad ideas about the practice of design, as well as rules and hints about how to best use specific user interface and interaction design idioms.
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design principles
-design to fit all ----design for adjustability ----provide different sizes -design for extremes ----inclusion ----exclusion -cost effective accommodation ----design for range 5th-95th ----increasingly common is 1st to 99th
evaluate the existing design, collect data, and guide the design process
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design principles
balance: formal balance, informal balance movement proportion white space (isolation) contrast clarity and simplicity unity continuity
balance proportion rhythm emphasis unity
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design principles
- proper structure of individual tables to manage data redundancy - consistency of information between tables to manager referential integrity.
-must become a business expert -poor relational database design -> system failure -proper design accurately reflects the organization's business rules. -relational database design is both an art and science.
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design principles
-design to fit all ----design for adjustability ----provide different sizes -design for extremes ----inclusion ----exclusion -cost effective accommodation ----design for range 5th-95th ----increasingly common is 1st to 99th
perception, memory, decision, design standards (like safety diagram standards)
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design principles
balance: formal balance, informal balance movement proportion white space (isolation) contrast clarity and simplicity unity continuity
are balance/symmetry, rhythm/pattern, movement, harmony, contrast, emphasis, proportion/scale, and unity.