MIS terms

Lean

Increases business and process efficiency

Data velocity

Increasing challenge for data mining to manage new data

Moores law

Increasing density of digitizations (transistors)

Gilders law

Increasing speed of communication

Globalization

Increasing the business competition and opportunity

Metcalfes law

Increasing value of networks based on connections

KPI

Key performance indicators (Business metrics)

Six sigma

Reduces process error and variability

The value of an object created by a projection would be same as what function

Sum

Example of Transaction data vs master data

You (Mary Jones) buy one samsung 42-inch tv, part number 1234, from bill roberts at best buy, for $2000, on april 20, 2013. in this example, Master data: "Product Sold," "Vendor," "Salesperson," "Store," "Part number," "Purchase price" and "Date" Transactional data is more specific: "42-Inch samsung tv," "Samsung," "Best buy," "Bill Roberts," "1234," "$2000," and "April 20, 2013"

entity

a specific person, place, or thing or event about which information is maintained

Clickstream Data

data that visitors and customers produce when they visit a website and click on hyperlinks. CD provide a tail of users activities in website. shows viewers tendencies

Transaction data

generated and captured by operational systems/ and they describe the business's activities (AKA transactions)

Exception reporting

identifies metrics outside of tolerance

Knowledge

information that is contextual, relevant, and useful. aka intellectual capital

dashboard

information visualization between tool and decision maker. represents data and easily understood

explicit/explicit

language translation

Commercial (Public) Portal

most popular type of portal; its intended for broad and diverse audiences and offers routine content, some of it in real time

workflow

movement of information as it progresses through the sequence of steps that make up an organizations work procedures

Corporate portal

offers a personalized, single point of access through a web browser to critical business info located inside and outside an organization AKA: Enterprise portals, information portals

affinity portal

opposite of commercial portal, it offers a single point of entry to an entire community of affiliated interests, such as hobby or political group

Structured problem

optimal solution can be reached through single set of steps using a algorithm

what is a business value of data base?

organize, analysis and decision making, communicate and collaborate

Management

process by which organization achieves its goal through the use of resources (people, money, materials, info)

Master Data management

process that spans all organizational business process and applications. it provides companies with the ability to store, maintain, exchange, and synchronize a consistent, accurate, and timely "single version of the truth" for the company's master data

record

refers to collection of items that are all related to a single unique value

Data Rot

refers to problems of media in which the data are stored. over time, temperature, humidity, and exposure to light can cause physical problems with storage media and thus make it difficult to access the data. See term sheet for second factor

Master Data

set of core data, such as a customer, product, employee, vendor, geographic location, and so on, that span the enterprise information systems

foreign key

shared field that allows relational tables to link one another and minimize data redundancy (Teacher id) NOT UNIQUE

Bit

smallest unit a computer can process

Tacit, Sticky knowledge

subjective

Tacit/tacit

ua homecoming traditions

teleconferencing

use of electronic communication technology that enables two or more people at different locations to have conference

data inconsistency

various copies of data don't agree. maintaining multiple copies of the same data in multiple information systems that can be independently updated

Internet telephony

voice over internet protocol or VoIP, phone calls are treated as another type of data

Portal

web-based, personalized gateway to info and knowledge that provides relevant information from different IT systems and the internet using advanced search techniques

Knowledge management (KM)

...process that helps organization manipulate important knowledge that comprises part of organizations memory, usually in an unstructured format

Interpersonal roles

1. Figure head/ leader 2. monitor, disseminator, spokesman, analyzer 3. decisional roles: entrepreneur, disturbance handler, resource allocator, negotiator

What is the 3 phase decision making process?

1. Intelligence Phase (scoping): collect and translate data into knowledge -- What is the problem? 2. Design Phase (Algorithm): Select a method for considering data -- What are my options? 3. Choice Phase (Execution): Collect alternative -- Pick an option and how to implement it

UA Course Planner Abilities

1. adjust and personalize schedule 2. changing the order of courses 3. double major req. 4. considering new major (What-if)

CSF

Critical success factor: Issue central to the success of task

KMS Cycle (6 Parts)

1. Create Knowledge 2. capture Knowledge 3. refine knowledge 4. store knowledge 5. manage knowledge 6. disseminate knowledge

Purposes of knowledge

1. Descriptive 2. Procedural 3. Reasoning

Data mining

Detection, characterization, and exploitation of actionable patterns in business data

Managers

People who oversee this process (management) in an attempt to optimize it. manager's success measured by ratio between inputs and outputs for which he is responsible. ratio is indication of organizations productivity

SCOR

Provides strategic focus and business alignment

Leaky knowledge

Same as explicit knowledge

data warehouse

a repository of historical data that are organized by subject to support decision makers in the organization."

attribute

a specific characteristic of a particular entity class. students>student name>email>id

primary key

attribute that identifies a record. Must be unique

Variety

big data includes a huge variety of different data in different data formats

parameters

categories of data considered in algorithm

Data Integrity

data meet certain constraints; for example, there are no alphabetical digits in social security field

Field

group of words or ID numbers

Explicit knowledge

objective, rational

Data Redundancy

the same data stored in multiple locations

Drill down

accessing the supporting detailed data

nearest neighbor

also known as proximity search, similarity search or closest point search, is an optimization problem for finding closest (or most similar) points

entity class

an abstract representation of all attributes of particular type of entity

unstructured problem

an algorithm doesn't exist, very complex options, requires time to solve

Data independence

applications and data are independent of one another that is applications and data aren't linked to each other so all applications are able to access same data

data isolation

applications can't access data associated w/ other application

Data Governance

approach to managing information across an entire organization. it involves formal set of business processes and policies that are designed to ensure that data are handled in a certain, well-defined fashion

electronic chat

arrangement whereby participants exchange controversial message in real time

Data Security

because data are "put in one place" in databases, there is a risk of losing a lot of data at once. that's why they have high security

Volume

big data consists of vast quantities of data

Velocity

big data flows into an organization at incredible speeds

Business Intelligence (BI)

broad category of applications, technologies and processes for gathering, storing, accessing, and analyzing data to help business users make better decisions.

tacit/explicit

business franchises

Data File

collection of logically related records

explicit/tacit

company "norms"

Algorithm

computed sequence of steps

Search engine

computer program that searches for specific information by ket words and phrases