[table of contents for nonframes version]

SELECT

Description

The SELECT command is used to extract terms, excluding stopwords, from an answer set.

Diagram

This diagram illustrates extraction of author names from an answer set using SELECT.

Command Line	To use the SELECT command, follow this sample format:
	=>	SELECT	L-number	extraction field	answer numbers
		1	2	3	4

Example: => SELECT L2 AU 1-5

Command Guidelines

Use the guidelines below to enter command line information:

Field	Guidelines
1	Type: SELECT
2	Type: the L-number of a single-file answer set
3	Type: up to five extraction field codes Default: The default extraction field for the file
4	Type: Example: A single answer number 5 Multiple answer numbers 2 7 An answer range 5-50 A combination of these 3,8-12 All answers 1- Default: All answers from the answer set(s)

Results

Terms extracted with the SELECT command are: Counted and sorted by number of occurrences Assigned E-numbers that can be used as search terms in subsequent SEARCH commands Extracted terms may be viewed by typing D SELECT at an arrow prompt. Specialized displays of SELECT E-numbers are available.

Example

The following example shows: Creation of answer set L1 in REGISTRY Use of SELECT to extract chemical names from the /CN field of answer set L1 Display of the extracted terms

=> FILE REGISTRY => E TAMOXIFEN/CN E1 1 TAMOTSU D 500/CN E2 1 TAMOX-PUREN/CN E3 1 --> TAMOXIFEN/CN E4 2 TAMOXIFEN ALCOHOL/CN E5 1 TAMOXIFEN AZIRIDINE/CN E6 1 TAMOXIFEN CITRATE/CN E7 1 TAMOXIFEN HYDROCHLORIDE/CN E8 1 TAMOXIFEN METHIODIDE/CN E9 1 TAMOXIFEN N-OXIDE/CN E10 1 TAMOXIFENOL/CN E11 1 TAMP/CN E12 1 TAMPACRYL/CN => S E3,E6,E8 1 TAMOXIFEN/CN 1 "TAMOXIFEN CITRATE"/CN 1 "TAMOXIFEN METHIODIDE"/CN L1 3 (TAMOXIFEN/CN OR "TAMOXIFEN CITRATE"/CN OR "TAMOXIFEN METHIODIDE"/CN) => SELECT L1 CN 1- E1 THROUGH E16 ASSIGNED => D SELECT E1 1 ETHANAMINE, 2-(4-(1,2-DIPHENYL-1-BUTENYL)PHENOXY)-N,N- DIMETHYL-, (Z)-/CN E2 1 ETHANAMINE, 2-(4-(1,2-DIPHENYL-1-BUTENYL)PHENOXY)-N,N- DIMETHYL-, (Z)-, 2-HYDROXY-1,2,3-PROPANETRICARBOXYLATE (1:1)/CN E3 1 ETHANAMINIUM, 2-(4-(1,2-DIPHENYL-1-BUTENYL)PHENOXY)-N, N,N-TRIMETHYL-, IODIDE, (Z)-/CN E4 1 ETHYLAMINE, 2-(P-(1,2-DIPHENYL-1-BUTENYL)PHENOXY)-N,N- DIMETHYL-, (Z)-/CN - - - E12 1 TAMOXIFEN METHIODIDE/CN E13 1 TAMOXIFEN/CN E14 1 TRANS-TAMOXIFEN/CN E15 1 Z-TAMOXIFEN CITRATE/CN E16 1 Z-TAMOXIFEN/CN

Limits

999 terms may be extracted with SELECT.

STN Assistance

If you enter just the SELECT command, STN prompts you for: An L-number answer set Answer numbers A display (extraction) code If you are unsure how to answer an STN prompt, enter a question mark (?) and STN provides more details. Type: HELP SELECT for more information on the SELECT command HELP DISPLAY SELECT for more information on displaying E-numbers