语义网络和知识图谱 可以用于表示特定领域中的结构化知识。 本体 是一种支持知识共享的、统一的术语体系。 描述逻辑 建模 本体。是语义网络和知识图谱推理的逻辑学基础。 语义网络和知识图谱 知识： 在基于知识的系统中可以被表示为一组公式集合； 通常具有一定结构。e.g 框架，网络。 在网络结构的知识体系中，知识在一个带标签的 有向图 中得到表达： 图的结点：实体，可以是对象或概念。 图的边：

HW4 Processor 4.1 4.1.1 Inst ALUsrc MemtoReg RegW MemR MemW Branch Jump ALUop1 ALUop2 alu op And 0 0 1 0 0 0 0 1 0 and 4.1.2 ALUsrc mux, ALU, MemtoReg mux. 4.1.3 All blocks produces some out

HW2 Instructions Exercise 2.3 [5] <§§2.2, 2.3> For the following C statement, write the corresponding RISC-V assembly code. Assume that the variables f, g, h, i and j are assigned to registers

RECALLProblem issues for single-cycle implementationLongest delay determines clock periodCritical path: load instructionInstruction memory – register file – ALU – data memory – register f

Back Tracking, Dynamic Planning and Greedy.

RECALL Storage Manager: ref Database System Concepts and Design P560. Overview of Physical Storage Media Classification By Speed and Cost: cache: Fastest and mostly costl

Subtyping: subtype and supertype A class defines a type. subtype: A type defined by a derived class. supertype: A type defined by its base class. RECALLL The inheritance relationship e

Introduction Instructions and Instruction set are Language of the computer The Design goals are: Maximize performance Minimize cost Reduce design time Our chosen instruction set is RISC-V. Instruc

First Normal Form, 1NF RECALLDomain is atomic if its elements are considered to be indivisible units.dealing with non-atomic:Composite attributes : a number of attributesMulti-value attri

Composition Aggregation Aggregation models “has-a” relationships and represents an ownership relationship between two objects. aggregating object: The owner object. aggregating class: The owner objec