SOLVED

51) Which of the following statements is true about expert systems? A) It is composed of a network of processing elements that work in parallel to complete a task, attempt to approximate the functioning of the human brain and can learn by example. B) It is a program that works in the background to provide some service when a specific event occurs. C) It uses reasoning methods based on knowledge about a specific problem domain in order to provide advice. D) It allows you to make hypothetical changes to the data associated with a problem and observe how these changes influence the results. E) It groups related records together on the basis of having similar values for attributes. 52) Which of the following statements is true about a rule in expert systems? A) It groups related records together on the basis of having similar values for attributes. B) It makes sure that each table contains only attributes that are related to the entity. C) It allows multiple dimensions to be added to a traditional two-dimensional table. D) It is typically expressed using an “if––then” format. E) It allows you to make hypothetical changes to the data associated with a problem and observe how these changes influence the results. 53) ________ allows expert system rules to be represented using approximations or subjective values in order to handle situations where information about a problem is incomplete. A) Fuzzy logic B) Normalization C) Clustering D) What-if analysis E) Stickiness 54) The processing in an ES is called ________. A) clustering B) inferencing C) normalization D) recommending E) data cleansing 55) Which of the following statements is true about neural networks? A) It allows multiple dimensions to be added to a traditional two-dimensional table. B) It works in the background to provide some service when a specific event occurs. C) It attempts to approximate the functioning of the human brain and can learn by example. D) It uses reasoning methods based on knowledge about a specific problem domain in order to provide advice. E) It helps analyze why a key indicator is not at an appropriate level or why an exception occurred. 56) Which of the following statements is true about user agents? A) They are also known as Web spiders. B) They are agents that search to find the best price for a particular product you wish to purchase. C) They are agents that continuously analyze large data warehouses to detect changes deemed important by a user. D) They are agents that automatically perform a task for a user. E) They are agents designed by spammers and other Internet attackers to farm e-mail addresses off Web sites or deposit spyware on machines. 57) Which of the following is a role of monitoring and sensing agents? A) tracking inventory levels B) sending a report at the first of the month C) assembling customized news D) analyzing data warehouses to detect changes deemed important to a user E) finding the best price for a particular product the user wants to purchase 58) Which of the following is a role of data mining agents? A) tracking inventory levels B) sending a report at the first of the month C) assembling customized news D) analyzing data warehouses to detect changes deemed important to a user E) finding the best price for a particular product the user wants to purchase 59) Which of the following statements is true about explicit knowledge assets? A) It reflects the processes and procedures that are located in a person’s mind on how to effectively perform a particular task. B) It reflects the person’s ability to effectively solve a problem without external help. C) It reflects knowledge that can be documented, archived, and codified, often with the help of information systems. D) It reflects an individual’s special knowledge about a new-to-the-world product. E) It reflects the strategies that are located in a person’s mind on how to effectively perform a particular task. 60) Which of the following is the primary goal of a knowledge management system? A) Identifying how to recognize, generate, store, share, and manage tacit knowledge. B) Continuously analyzing large data warehouses to detect changes deemed important by a user. C) Grouping related records together on the basis of having similar values for attributes. D) Allowing hypothetical changes to the data associated with a problem to observe how these changes influence the results. E) Identifying how to recognize, generate, store, share, and manage explicit knowledge.