--9-- 
b. The data storage for each entry of the glossary 
is of variable length, since the lists of dependents, 
governing probabilities, hypernyms and semantic classes 
associated with the entries are of variable length. 
c. Word numbers in the lists of dependents and 
semantic classes are replaced by pointers, which identify 
the locations where the word numbers are actually stored. 
Thus, data tables containing different types of informa- 
tion are linked to one another, and access to this informa- 
tion can be carried out by straight table lookup. 
In keeping with these prlnciples, data tables of the 
form shown in Fig. i have been constructed. An example 
will illustrate the organization of the data base and the 
procedure of setting up these data tables. As a noun, 
represented by word number 2466, and its associated 
language data are read from the input unit, the word 
number is stored in the block in table (i) reserved for 
nouns. The last three digits of the word number are used 
as an index to a location in the lookup table (2), where 
the word number 2466 and its address in table (i), i.e. 
309, are stored. If the location in table (2) has been 
occupied (when more than one word has the same last three 
digits), the word number and its address are stored at the 
first unused space in table (2) following that location. 
Table (2) allows us to replace word numbers with their 
addresses after all data have been processed.