Knowledge bases - PowerPoint PPT Presentation

Knowledge Management, Organizational Objectives, Types of Knowledge, Tacit Knowledge, Explicit Knowledge

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Suppositories are solid dosage forms used for localized or systemic effects by inserting into body orifices. They come in different bases such as fatty bases and water-soluble bases, and are prepared through fusion or compression methods. They offer advantages like targeted action, overcoming digest

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Ointments are semi-solid preparations used for external application on the skin or mucous membranes. They can be medicated or non-medicated, with different bases like hydrocarbon, absorption, water-removable, and water-soluble. Factors affecting base selection include drug release rate, absorption,

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Water is a vital substance on Earth, with its unique structure and properties making it essential for life. This chapter delves into the distribution of Earth's water, the chemical composition of water, the concepts of acids, bases, and pH, and how water's properties are influenced by hydrogen bondi

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Biologically important molecules, such as acids and bases, have significant roles in metabolism. Strong acids like hydrochloric acid ionize completely, while weak acids and bases play crucial regulatory roles. The Bronsted-Lowry theory defines acids as proton donors and bases as proton acceptors. Eq

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Explore the concepts of Hard and Soft Acids and Bases (HSAB) in chemistry, examining the relative strengths of acids in solution, stabilities of complexes, predictions of reaction courses, and the separation of cations based on HSAB rules. Discover how the interactions between different acid-base co

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Delve into the world of Hard and Soft Acids and Bases (HSAB) with Dr. Gurpreet Kaur as she explains the characteristics of hard and soft acids, Pearson's HSAB principle, applications such as predictions of coordination in complexes, poisonings of metal catalysts, and the classification of acids and

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Delve into innovative research interests focusing on knowledge base construction using fictional texts as archetypes, taxonomies for constructing knowledge bases, and extraction of commonsense knowledge from diverse sources. Challenges such as sparsity and semantics are addressed through comprehensi

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Banatske Ore is a traditional shepherd game still played in Vojvodina, specifically in the village of Tomaševac. It involves handmade balls hit with a wooden bat, similar to baseball. The game has been played for nineteen years and a world championship is held annually on June 24. The field is 44 m

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Exploring the pH scale, this content delves into the fundamentals of acidity and alkalinity, covering what pH stands for, the inventor of the pH scale, reactions when acids and bases combine, and where the weakest acids and bases are found on the pH scale.

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Acids, bases, and neutrals are vital substances found in various settings like factories and laboratories. They exhibit distinct properties, with acids feeling rough, being corrosive, and containing hydrogen ions, while bases feel slippery, taste bitter, and contain hydroxide ions. While acids like

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Explore the definitions of acids and bases according to Arrhenius and Brønsted-Lowry theories, their behavior at a particulate level, and the differences between strong and weak acids and bases. Learn how to define, identify, and understand the properties of acids and bases through practical exampl

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DNA, or Deoxyribonucleic Acid, is a fundamental molecule in living organisms, characterized by its double helical structure consisting of two antiparallel polynucleotide chains. Each strand is composed of nucleotide monomers, comprising deoxyribose sugar, phosphate group, and nitrogenous bases (puri

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Allocations are used to distribute monetary or statistical amounts across various funds, departments, products, or ChartField defined in PeopleSoft General Ledger. The process involves defining allocation types, pools, bases, targets, and offset entries. Different allocation types such as Copy, Spre

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Buffer solutions are essential in resisting pH changes and consist of mixtures of weak acids or bases with their salts. They maintain constant pH levels despite dilution or addition of acids/bases. Buffer capacity measures the amount of acid/base needed for a pH change. Biological systems and pharma

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In the field of pharmaceutics, ointments play a crucial role as semisolid dosage forms for topical application. They serve as vehicles for medicinal substances, offering protective and emollient functions. Ointments are composed of ointment bases, which can be medicated or non-medicated, providing d

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Schiff bases are condensation products of primary amines and carbonyl compounds, discovered by German chemist Hugo Schiff in 1864. They play vital roles in enzymatic reactions, coordination chemistry, and are used in diverse biological aspects due to their antibiotic, antiviral, and antitumor proper

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Delve into the philosophical foundations and types of knowledge with insights on local and universal knowledge, theoretical and practical aspects, and school versus out-of-school knowledge. Understand how facets contribute to extended knowledge about attributes within different frames.

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The concept of buffers in chemistry plays a crucial role in maintaining stable pH levels in solutions. Buffers consist of components that neutralize acids and bases, helping prevent drastic pH changes. Weak acids or bases are ideal buffer components due to their ability to react with both acids and

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Analytical chemistry involves the study of detecting acids and bases in solutions, with methods such as litmus testing and the Arrhenius definition. The concept of conjugate acids and bases, acid dissociation, and buffer solutions are also key components in understanding chemical properties and reac

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Acids donate protons, while bases accept them. Strong acids ionize completely while weak acids only partially ionize, resulting in a Ka value less than one. Water, being amphoteric, can both donate and accept protons. The ionization of water leads to a constant Kw value of 10^-14. Explore the ioniza

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Early work in the 1990s focused on combining machine learning and knowledge engineering to refine theories and enhance learning from limited data. Techniques included using human-engineered knowledge in rule bases, symbolic theory refinement, and probabilistic methods. Various rule refinement method

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This research delves into the cutting-edge topic of query-driven on-the-fly knowledge base construction, focusing on acquiring facts for a vast array of predicates and capturing billions of facts about entities in the world. Motivated by the limitations of existing knowledge bases, the study explore

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The world has evolved into a data-centric landscape where managing massive amounts of data requires the convergence of big data, big knowledge, and big crowd technologies. This transformation necessitates the utilization of domain knowledge, building knowledge bases, and integrating human input thro

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Prosthodontics involves the meticulous construction of record bases, occlusion rims, and arrangement of teeth for prosthetic restorations. Record bases must provide accuracy and maximum contact with supporting tissues, utilizing materials like acrylic resin or cast metal. Occlusion rims play a cruci

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Explore the significance of modelling knowledge through knowledge representation, making it explicit, independent, and reusable. Learn why knowledge representation is essential and how it facilitates exchange, query, inference, and visualization. Delve into examples of knowledge application in vario

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Explore the importance of identifying lawful bases when utilizing AI, considerations for statistical accuracy, addressing bias and discrimination risks, and ensuring transparency in AI processes. Discover guidance from the ICO and The Alan Turing Institute on explaining decisions made with AI, and l

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Dive into the world of Hard and Soft Acids and Bases (HSAB) theory which explains the interaction preferences between acids and bases based on their properties. This theory enhances our understanding of chemical reactions, helping predict favorable outcomes and shed light on reactions that classic t

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DNA, or deoxyribonucleic acid, is a fundamental molecule in genetics. It consists of two antiparallel polynucleotide chains made up of monomer units containing sugars, phosphates, and nitrogenous bases. The structure of DNA includes deoxyribose sugar, phosphate groups, and nitrogenous bases like ade

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Nucleic acids, essential for all organisms, store genetic information as long polymer chains of nucleotides. Nucleosides contain bases and sugars, while nucleotides include a phosphate. Purines and pyrimidines are the aromatic bases in nucleotides, with DNA having A, G, C, T and RNA having A, G, C,

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Acids and bases play essential roles in chemistry, where they release hydrogen ions or hydroxide ions when mixed with water. Acids, like vinegar and lemon juice, are corrosive and can cause chemical burns. On the other hand, bases, such as bleach and dish soap, contain the hydroxide group in their f

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Explore the concept of conjugate acids and bases in chemistry through definitions, reactions, and examples. Learn how to identify strong and weak acids/bases based on their conjugates and understand the behavior of acids/bases in reverse reactions. Discover the significance of conjugate acids/bases

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Acids and bases play crucial roles in chemical reactions by involving the transfer of protons. This lecture explains the definitions of acids and bases, general acid-base reactions in water, and how the pH scale is used to measure the acidity or basicity of a solution. It covers how acids and bases

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Acids donate protons while bases accept them. Strong acids and bases ionize completely, while weak acids ionize partially. Water is amphoteric, capable of both accepting and donating protons. The equilibrium constant Kw for water is 10^-14. Understanding the ionization of weak acids and weak bases h

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This chapter delves into the fundamental concepts of acids and bases in chemistry, covering Arrhenius, Bronsted-Lowry, and Lewis definitions. It discusses conjugate acids and bases, acid dissociation, dissociation of strong and weak acids, and the differences between strong and weak acids/bases. The

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This content delves into the concept of knowledge bases, exploring how information is harvested, consolidated, and analyzed. It covers the extraction of data from various sources like WordNet, Wikipedia, and web content, providing insights into classes, facts, and common sense knowledge. The goal is

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Discover the fascinating realm of nucleotides and nucleic acids through characteristic bases, pentoses, tautomeric forms of common pyrimidine and purine bases, electron-rich nature, UV absorption spectra, furanose structures, major and minor bases, nucleosides, and phosphodiester bonds linking succe

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This presentation covers the topic of acids, bases, and neutrals in Grade 7 Natural Sciences. It explains the use of acid-base indicators, such as litmus paper, and how they react to different substances. The content also discusses how certain detergents and soaps act as bases and how the soil pH af

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Explore the concepts of hard and soft acids and bases in chemistry, including the Arrhenius, Brønsted-Lowry, Lewis, and Solvent System models. Learn about the HSAB principle introduced by R.G. Pearson, discussing polarizing power and polarizability of acids and bases. Understand how these principle

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Acids, derived from the Latin word "acidus" meaning sour, produce hydrogen ions when dissolved in water. Bases, defined as compounds dissociating into metal ions and hydroxide ions in water, have common characteristics like a bitter taste. The Brønsted-Lowry theory expanded the definitions of acids

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