PRIV P35f Stop Word Lists

Definition: Stop Word List

A lStop Word List is a list that only contains  stop words.

Item: All items of the list are stop words. In the case of a stop words list each item is exactly one word.

Stop Words Lists on DB

Table / Attribute where stop word lists are stored.

Are items stored seperatedly?

Types of lists

Dimension 1:

1. Stop Word List: We have multiple stop words lists depending on the grammar of the language.

Dimension 2: 

• Master List:  Typically users like to enter new words only in a
  single place – called Master.
• Slave List: A slave list is a copy from the master list.

The type of list, i.e. the two dimensions should be a DB attribute on the list.

Functions

Edit Stop Word list manually

Same function as in lists.

Exception: What happens when an item has two words. Is this a problem?

Order Stop Words  List

Same function as in lists.

Synchronization of Stop Words  Lists

Types of Sync

Only one type:

• List Sync: Copy all words from the master list into the slave list

Synchronization Method

• Bi-Directional: The sync adds missing items to both slave and master.