ISR11 Scientific Report No. ISR-11 Information Storage and Retrieval S0CCER - A Concordance Program chapter Guy E. Hochgesang Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. 111-10 a hyphen (minus punch), a hyphen is defined as an ordinary special character and the hyphenation feature described in Part 2C is not in effect. This card specifies that the types punched on the cards that follow are to be included in a restriction list (see Part 2C). The types to be included in the restriction list are punched one per card left-adjusted to column 7 on cards following the RESTRICT card. Occurrences of these types in the text are not listed in the concordance. This card may not be used in addition to the SELECT card. If this card is not used, no restriction list is used for the text. As many as 205 types may appear on the restriction list. This card specifies that the types punched on the cards that follow are to be included in a selection list (see Part 2C). The types are punched one per card, left-adjusted to column 7 on cards following the SELECT card. Occurrences of only these types vTill be listed in the concordance. The SELECT card may not be used in addition to the RESTRICT card. If the SELECT card is not used, all types not on the restriction list (if any) are listed in the concordance. As many as 205 types may appear on the selection list. The single character punched in column 7 of this card isdefined to be the `skip" control character (seePart 2C). All cards of the text with this character included in column 1 will be numbered and listed in the text, but will not be included in the concordance. A blank in column 7 of the SKIP card causes the skip control option to be deleted; i.e., no cards of the text are 11skipped". If the SKIP card is not used, the skip control character is a RE~~TRICT SELECT SKIP