NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
OCTOBER 2019 EXAMINATION

COURSE CODE: CIT841
COURSE TITLE: ADVANCED INFORMATION STORAGE AND RETRIEVAL
COURSE CREDIT: 3 UNITS
TIME ALLOWED: 2½ HOURS
INSTRUCTION: ANSWER QUESTION 1 AND ANY OTHER FOUR (4) QUESTIONS

1(a) Subjective information sometimes sounds like opinion. Differentiate between subjective information and opinion. (2marks)
1(b) Describe the purpose of the Call Number in MARC? (2 marks)
1(c) What are the existing user profiling standards (4 Marks)
1(d) Explain the concept of query expansion and the techniques involved (6 marks)
1(e) Evaluate eight (8) uniqueness of web information retrieval (8 Marks)

2(a) Articulate seven (7) principles of a good metadata according to the Framework of Guidance for Building Good Digital Collections (7 marks)
2(b) Apply the principles of good metadata as enunciated by National Information Standards Organisation (NISO) website? (5 marks)

3(a) Analyse the advantages of web information retrieval over classic information retrieval(4 Marks)
3(b) Differentiate between digital and traditional libraries in a tabular form. (8 Marks)

4(a) The value of any information is determined by the tripartite factors. Validate this claim(6 marks)
4(b) What are the standards for information organisation and storage? (6marks)

5(a) Extensively discuss Fuzzy Model of Information Retrieval (8 Marks)
5(b) Evaluate the structure of a query (4marks)

6(a) Produce the architecture of a search engine (6marks)
6(b) Analyse the three (3) types of Meta data (6 marks)