Computation models - PowerPoint PPT Presentation


System Models in Software Engineering: A Comprehensive Overview

System models play a crucial role in software engineering, aiding in understanding system functionality and communicating with customers. They include context models, behavioural models, data models, object models, and more, each offering unique perspectives on the system. Different types of system

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Computability: Exploring Theoretical Limits of Computation

Delve into computability theory, focusing on what is computable and the limits of computation. Explore concepts like Rice's Theorem, the Halting Problem, and classes of expressiveness in computability theory, such as combinational logic, finite-state machines, pushdown automata, and Turing machines.

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Overview of Distributed Systems: Characteristics, Classification, Computation, Communication, and Fault Models

Characterizing Distributed Systems: Multiple autonomous computers with CPUs, memory, storage, and I/O paths, interconnected geographically, shared state, global invariants. Classifying Distributed Systems: Based on synchrony, communication medium, fault models like crash and Byzantine failures. Comp

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Understanding Models of Teaching for Effective Learning

Models of teaching serve as instructional designs to facilitate students in acquiring knowledge, skills, and values by creating specific learning environments. Bruce Joyce and Marsha Weil classified teaching models into four families: Information Processing Models, Personal Models, Social Interactio

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Computation of Machine Hour Rate: Understanding MHR and Overhead Rates

Computation of Machine Hour Rate (MHR) involves determining the overhead cost of running a machine for one hour. The process includes dividing overheads into fixed and variable categories, calculating fixed overhead hourly rates, computing variable overhead rates, and summing up both for the final M

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Enhanced Security in Multiparty Computation

Explore the improved black-box constructions of composable secure computation, focusing on definitions, objectives, and the formalization basics of multiparty computation (MPC). Learn about the motivating security aspects in MPC and the real/ideal paradigm. Discover how MPC security involves compari

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Significance of Models in Agricultural Geography

Models play a crucial role in various disciplines, including agricultural geography, by offering a simplified and hypothetical representation of complex phenomena. When used correctly, models help in understanding reality and empirical investigations, but misuse can lead to dangerous outcomes. Longm

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Enhancing Information Retrieval with Augmented Generation Models

Augmented generation models, such as REALM and RAG, integrate retrieval and generation tasks to improve information retrieval processes. These models leverage background knowledge and language models to enhance recall and candidate generation. REALM focuses on concatenation and retrieval operations,

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Understanding Numerical Methods and Errors in Computation

Delve into the world of numerical methods through the guidance of Dr. M. Mohamed Surputheen. Explore topics such as solving algebraic and transcendental equations, simultaneous linear algebraic equations, interpolation, numerical integration, and solving ordinary differential equations. Learn about

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Trust Income Computation and Application Guidelines

Learn about income computation of trusts using ITR-5 vs. ITR-7, types of institutions, components of income, application of income, and important guidelines including amendments by FA2022 for charitable and religious trusts.

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Secure Computation Techniques in RAM Models with Efficient Automation

Explore the automation of efficient RAM-model secure computation techniques, including examples such as secure binary search. Discover how traditional solutions using circuit abstractions can be improved for sub-linear time computation through methods like Oblivious RAM. Learn about techniques such

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Secure Multiparty Computation for Department of Education Data Sharing

This report discusses the use of Secure Multiparty Computation (SMC) to enable sharing of sensitive Department of Education data across organizational boundaries. The application of SMC allows for joint computation while keeping individual data encrypted, ensuring privacy and security within the Nat

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Advancements in Active Secure Multiparty Computation (MPC)

Delve into the realm of secure multiparty computation under 1-bit leakage, exploring the intersection of DP algorithms, MPC, and the utilization of leakage for enhanced performance. Discover the overhead implications of achieving active security, as well as the evolution of secure computation protoc

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Understanding Energy Distribution System Line Models

This presentation delves into the various line models used in energy distribution systems, including exact line segment models and their derivation from Kirchhoff's voltage and current laws. The discussion covers three line segment models, the computation of phase impedance and admittance matrices,

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COMET: Code Offload by Migrating Execution - OSDI'12 Summary

The research paper discusses COMET, a system for transparently offloading computation from mobile devices to network resources to improve performance. It outlines the goals of COMET, its design, and evaluation, focusing on distributed shared memory and bridging computation disparity through offloadi

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Exploring Challenges and Opportunities in Processing-in-Memory Architecture

PIM technology aims to enhance performance by moving computation closer to memory, improving bandwidth, latency, and energy efficiency. Despite initial setbacks, new strategies focus on cost-effectiveness, programming models, and overcoming implementation challenges. A new direction proposes intuiti

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Actively Secure Arithmetic Computation and VOLE Study

Exploring actively secure arithmetic computation and VOLE with constant computational overhead at Tel Aviv University. Understanding how functions are represented in secure computation using arithmetic circuits over boolean circuits. Efficiently evaluating arithmetic circuits over large finite field

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Enhancing Multi-Party Computation Efficiency Through ORAM Techniques

Explore the realm of efficient random access in multi-party computation through the reevaluation of classic schemes and the introduction of new approaches. Discover the potential of ORAM in improving performance and reducing costs in various computational tasks, such as secure multi-party computatio

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Understanding Information Retrieval Models and Processes

Delve into the world of information retrieval models with a focus on traditional approaches, main processes like indexing and retrieval, cases of one-term and multi-term queries, and the evolution of IR models from boolean to probabilistic and vector space models. Explore the concept of IR models, r

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Exploring Garbled RAM and Secure Computation

Garbled RAM, a concept based on garbled circuits, allows for secure two-party computation with implications for communication and computational complexities. The progression from basic to more ambitious scenarios in Garbled RAM models and the landscape of utilizing OWFs in a black-box manner for imp

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Exploring Secure Computation in the Age of Information

Welcome to Secure Computation Lecture 1 by Arpita Patra. The course covers evaluation policies, projects, and references in the realm of secure computation. The content delves into the significance of information security across various sectors, emphasizing the importance of safeguarding sensitive d

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Understanding Cross-Classified Models in Multilevel Modelling

Cross-classified models in multilevel modelling involve non-hierarchical data structures where entities are classified within multiple categories. These models extend traditional nested multilevel models by accounting for complex relationships among data levels. Professor William Browne from the Uni

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Secure Two-Party Computation and Basic Secret-Sharing Concepts

In today's lecture of "Foundations of Cryptography," the focus is on secure two-party and multi-party computation, emphasizing semi-honest security where Alice and Bob must compute without revealing more than necessary. Concepts such as real-world vs. ideal-world scenarios, the existence of PPT simu

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Linear Communication in Secure Multiparty Computation for Efficient and Fast Processing

The research focuses on achieving perfectly secure multiparty computation (MPC) with linear communication and constant expected time. It explores efficient approaches using a broadcast-hybrid model and P2P communication, aiming to balance speed and efficiency in MPC. The study highlights the importa

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Secure Computation Challenges and Solutions in Data Mining

Exploring the intersection of secure computation and data mining, this content uncovers key challenges such as improving algorithms, converting programs for secure computation, and addressing parallelizability issues. It highlights the importance of cryptography in ensuring data privacy and presents

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Covert Computation: Ensuring Undetectable Engagement

Covert computation aims to conceal the fact that computation is occurring and hide engagement in certain tasks like secure computation, authenticated key exchange, and more. By making messages indistinguishable and utilizing steganographic channels, it becomes possible to keep the activities covert

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Overview of Turing Machines: Introduction, Tape, and Computation

Turing Machines are fundamental in the theory of computation, capable of recognizing all computable languages. They consist of a Finite State Machine combined with an infinite tape. The tape is initialized with input on the left end, and a TM's computation can either halt by entering special accept

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Computation for Real Estate Sector in Bangalore Branch of ICAI

Practical overview of GST computation for real estate transactions in Bangalore, with details on old rates with ITC and new rate regime effective from April 1, 2019. The content discusses different transactions, conditions for new rates without ITC, and provides insights on the 80:20 computation met

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Fides: A System for Verifiable Computation Using Smart Contracts

Fides presents a system for verifiable computation using smart contracts, focusing on blockchain basics, Ethereum, smart contracts, and outsourcing computation. It explores key components of blockchain, Ethereum's decentralized computing platform, properties of smart contracts, and the concept of ve

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Insights into Secure Computation with Minimal Interaction

This paper revisits the concept of secure computation with minimal interaction, focusing on the challenges and possibilities of achieving secure multiparty computation in 2 rounds. Specifically exploring scenarios with 3 and 4 parties, the study delves into the reasons for choosing n=3, n=4, and t=1

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Overview of Income Computation and Disclosure Standards (ICDS)

The Income-tax Act, 1961 introduced Income Computation and Disclosure Standards (ICDS) to be followed by certain assesses for computation of income. ICDS applies to taxpayers using the mercantile system of accounting from the Assessment Year 2016-17 onwards. Non-compliance with ICDS can lead to Best

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Understanding Composite Models in Building Complex Systems

Composite models are essential in representing complex entities by combining different types of models, such as resource allocation, transport, and assembly models. Gluing these models together allows for a comprehensive representation of systems like the milk industry, where raw materials are trans

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Blackbox Verifiable Computation Scheme Overview

This summarized content discusses the concept of blackbox verifiable computation, focusing on the challenges faced by clients and servers, the role of helper oracles, positive results utilizing homomorphic encryption, and background information on Random Self Reducible (RSR) functions. The protocol

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Parallel Computation for Matrix Multiplication

Matrix multiplication is a fundamental operation with diverse applications across scientific research. Parallel computation for matrix multiplication involves distributing the computational workload over multiple processors, improving efficiency. Different algorithms have been developed for multiply

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Communication Steps for Parallel Query Processing: Insights from MPC Model

Revealing the intricacies of parallel query processing on big data, this content explores various computation models such as MapReduce, MUD, and MRC. It delves into the MPC model in detail, showcasing the tradeoffs between space exponent and computation rounds. The study uncovers lower bounds on spa

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Theory of Computation Introduction: Dr. Abdulhussein M. Abdullah

Delve into the theory of computation with Dr. Abdulhussein M. Abdullah in the 2nd semester of 2017-2018. Explore the fundamental questions regarding what can be computed, computational problems, and the representation of information. Gain insights into computational models and computability, complex

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Secure Computation Laboratory: Modeling Attacks on PUF Systems

Explore the research on physically unclonable function (PUF) modeling attacks using Logistic Regression and CMA-ES algorithms. Learn to simulate and analyze reliable and noisy PUF instances, implement attacks, and assess modeling accuracy. The laboratory goals include simulating APUF and XOR PUF sys

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Data Processing and Analysis for Graph-Based Algorithms

This content delves into the preprocessing, computing, post-processing, and analysis of raw XML data for graph-based algorithms. It covers topics such as data ETL, graph analytics, PageRank computation, and identifying top users. Various tools and frameworks like GraphX, Spark, Giraph, and GraphLab

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Understanding Branching Programs and Decision Trees in Computation

Branching Programs and Decision Trees serve as simple models for computation, exploring space and time complexity trade-offs. The dual terminology, encompassing Switching Networks to Binary Decision Diagrams, reveals the evolution of these models in complexity theory and formal verification.

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Advanced Techniques in Multi-Party Computation

Explore cutting-edge methods in Multi-Party Computation (MPC), including leveraging Fully Homomorphic Encryption (FHE) for minimal round complexity, constructing MPC directly via FHE techniques, and simplifying multi-key FHE constructions for efficient decryption. Learn about key concepts such as di

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