1.1 Discuss the current trends in information retrieval systems. Describe the areas of current research in this field.

OR

1.2 Define thesaurus. Describe it's functions and construction methodology.

2.1 Discuss briefly the contributions of Ranganathan and Farradene in the development of subject indexing systems.

OR

2.2 Explain the meaning of the term web indexing. Discuss the issues involved and the operational aspects of web indexing.

3.1 Mention the areas that create problems in identification of elements of description for non-book materials. Describe the areas of bibliographic description of non-book materials with example.

OR

3.2 Describe the objectives and features of Text Encoding Initiative project.

4.1 What are expert systems? What are its components? Discuss the importance of knowledge in developing expert systems.

OR

4.2 What is meant by search strategy? Describe at least six search techniques in computerised IR systems with example.

5.0 Write short notes on any three of the following (in not more than 300 words each)

Manual indexing Vs. Computerized indexing

The GIST card

Semantic Web

Special auxiliaries of UDC

Exhaustivity and specificity