Lalraj V T

---

Search strategies

• User’s queries are retrieved based on matching queries with the document profile or database.
• In earlier these tasks performed manually.
• The emergence of magnetic storage devices, associated software and advancement in electronic communication helps to more advanced search via online method.
• Any way the search strategy helps the user to search easily the file.

Steps and levels of search strategy according to Meadow and Cochrane

1. The concepts or facets to be searched and their order.

2. The terms that appropriately represent the search concept.

3. The features of the retrieval system concerned.

4. The measures to be taken in revising a search statement.

More than this to develop a good search strategy the user should aware of nature and organization of target databases and the exact needs of the user. Types of Search 1. High recall search – User wants all relevant items on the stated topic.

2. High Precision Search – User only needs relevant items.

3. Brief Search – When the user wants only a few relevant items as opposed to all the relevant items.

Pre – Search Interview It is the conversation that take place between a user and member of the information staff regarding the actual information requirements of the user. Skills needed to a Pre – Search Interviewer • Personal Communication Skill

• Conceptual Skill

• Analytical Skill

• Knowledge of file Organization

• Understanding of Indexing Policy and Vocabulary Controle

• Subject Knowledge

Searching Process

To control the vocabulary in a database Cleverdon Mentions the following processes.

1. Decide the words that might be used by the authors of the relavant documents.

2. Decide which particular database is to be searched.

3. Use the thesaurus of the chosen database in order to translate the query terms in the appropriate way.

4. Guess which of the chosen terms might have been used by the database indexer.

5. Coordinate the terms to formulate the search statement.

6. Input the search statement.

7. Repeat steps 5 and 6 until a desirable output is obtained or the search fails altogether.

8. Identify the actual relevant items from among those retrieved.

Search strategies

This article "Lalraj V T" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:Lalraj V T. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.

---