Understanding Knowledge Representation and Artificial Intelligence
Knowledge Representation in AI
Knowledge representation enables AI mechanisms to find efficient solutions. Key questions include: How to choose a formalism for simple translation from the real world? What representation allows for efficient usage?
Information vs. Knowledge
Information refers to basic, uninterpreted data used as input, such as blood test figures or chemical plant sensor data.
Knowledge is structured data modeling experience in a domain or interpretations of basic data. For example, interpreting
Read MoreCommon Health Conditions: Symptoms, Management, and Care
Asthma: Understanding Symptoms and Management
Definition of Asthma
Asthma is a chronic respiratory condition where airways narrow, swell, and produce excess mucus.
Classification of Asthma
- Seasonal Asthma: Some individuals cannot tolerate even minor changes in season (cold, hot, rain). Seasonal variations can trigger allergic reactions, leading to complications if not treated early.
- Allergic Asthma: Triggered by allergens such as pollen, animal dander, or dust.
- Occupational Asthma: Caused by exposure
Language Meaning and Concept Formation in Development
Semantic Development: Understanding Meaning in Language
Semantic development is the study of the meaning of linguistic elements that signify something in reality according to a conventional system of reference. Units of meaning are lexemes, although other smaller units, such as morphemes, may also carry meaning. The word is often used as a unit of meaning, valued for its representation and its communicative role as a tool modifying cognitive activity.
Luria discusses language’s role in regulating
Read MoreMDX Essencial: Consultas e Membros Calculados em OLAP
O que é MDX?
MDX (Multi-Dimensional eXpressions) é uma linguagem definida pela Microsoft para consultas em servidores OLAP. Podemos usar o MDX para criar consultas em modelos multidimensionais ou para criar membros calculados (medidas).
Sintaxe Básica do MDX
A sintaxe fundamental para uma consulta MDX é:
SELECT <set> ON COLUMNS,
<set> ON ROWS
FROM [<cube_name>]Identificadores
Identificadores são os nomes dos objetos do serviço de análise (cubos, dimensões, hierarquias, níveis,
Read MoreKey Sampling Methods and Validity Concepts in Research
Essential Steps in the Research Sampling Process
Define the Population of Interest
A population is the entire group of people you want to draw conclusions about. For example, if Brooke wants to know how much stress college students experience during finals, her population is all college students.
Determine the Sampling Frame
A sampling frame is the specific group of individuals from which you will draw your sample. For example, Brooke might decide her sampling frame is every student at the university
Understanding Health Behavior Change Principles
Models and Frameworks for Health Behavior
3-4-50 Rule
- 3 key risk behaviors: poor nutrition, physical inactivity, tobacco use
- Contribute to 4 major chronic diseases: heart disease/stroke, cancer, diabetes, respiratory diseases
- Account for approximately 50% of preventable disease burden
Social Ecological Model
Framework illustrating how multiple levels of influence interact to affect health behaviors:
- Individual: Knowledge, attitudes, behaviors, demographics
- Interpersonal: Family, friends, social support