SQL> create table tbl
  2    as
  3      select 'In this model, a text (such as a sentence or a document) is represented as the bag 
(multiset) of its words, disregarding grammar and even word order but keeping multiplicity' text fro
m dual;

Table created.

SQL> create index tbl_idx
  2    on tbl(text)
  3    indextype is ctxsys.ctxcat
  4  /

Index created.

SQL> select dr$token from dr$tbl_idx$i
  2  /

DR$TOKEN
----------------------------------------------------------------
BAG
DISREGARDING
DOCUMENT
EVEN
GRAMMAR
KEEPING
MODEL
MULTIPLICITY
MULTISET
ORDER
REPRESENTED
SENTENCE
TEXT
WORD
WORDS

15 rows selected.

SQL> 

SQL> insert into tbl values('X Y Z Z Y X X Y Z')
  2  /

1 row created.

SQL> select * from dr$tbl_idx$i
  2  /

DR$TOKEN   DR$TOKEN_TYPE DR$ROWID           DR$TOKEN_INFO
---------- ------------- ------------------ ---------------
X                      0 AAAUcwAARAAAnDtAAA 010501
Y                      0 AAAUcwAARAAAnDtAAA 020303
Z                      0 AAAUcwAARAAAnDtAAA 030105

SQL>