◼ What is Recommendation System? ◼ Nearest-Neighbor Collaborative Filtering Algorithm ◼ Evaluation ◼ Recommendation Systems

Chapter 10 Cytoskeleton System 1 Introduction A Conception of Cytoskeleton(Narrow sense) A complex network of interconnected microfilaments, microtubules and intermediate filaments that extends throughout the cytosol

Return to the simplest system the single spring-mass This is a one degree-of-freedom system with the governing equation

Task Team of FUNdaMENTAL aCCOUNtIng School of Business. Sun Yat-sen University Less ote Lesson 8 Accounting Information System Learning objectives 1. Describe the principles of properly designed accounting system

Task Team of FUNDAMENTAL ACCOUNTING School of Business, Sun Yat-sen University Lesson 8 Accounting Information System Exercise Matching For each numbered item, choose the appropriate journal and write the identifying letter 1. Bought merchandise on account Sales journal 2. Sold merchandise for cash 3. Bought merchandise for cash P Purchases journal 4. Collected accounts receivable and allowed a cash discount 5. Bought store equipment on credit CR Cash receipts journal 6. Recorded accrued wages

Operations Management Refers to the management of the production system that transforms inputs into finished goods and services o Production system: the way a firm acquires inputs then converts and disposes outputs oOperations managers: responsible for the transformation process from inputs to outputs Operations management seeks to increase the quality

1. to know Cellular Mobile Telephone System Teaching 2. to understand the construction of cellular mobile telephone system Objectives

Demand Paging (按需调页) Copy-on-Write (写时复制) Page Replacement (页面置换) Allocation of Frames Thrashing (抖动) Memory-Mapped Files Allocating Kernel Memory Other Issues Operating System Examples

1 Background and System Model 2 Deadlock Characterization Necessary Conditions Resource-Allocation Graph Methods for Handling Deadlocks 3 Deadlock Prevention (死锁预防) 4 Deadlock Avoidance (死锁避免) Safe State (安全状态) Resource-Allocation Graph Scheme Banker’s Algorithm (银行家算法) 5 Deadlock Detection (死锁检测) and Recovery

1. to know The Development of Paging System Teaching 2. to understand the construction of paging system Objectives