15
The Visitor Dimension

The Visitor dimension tracks anonymous visitors using the specified method of visitor identification (with visitor cookies, for example).

This chapter contains the following topics:

• Visitor Dimension Hierarchies

• Visitor Dimension Levels

Visitor Dimension Hierarchies

The Visitor dimension contains the following hierarchy:

• The Visitor Hierarchy

The section that follows lists all levels in the hierarchy, followed by a diagram that provides a graphical representation of the hierarchy.

The Visitor Hierarchy

This hierarchy contains the following levels, listed from top to bottom. For details about the attributes of each level, see Visitor Dimension Levels.

• Visitor Type

• Visitor

Figure 15-1 The Visitor Level Hierarchy

Text description of the illustration visitor-.gif

Visitor Dimension Levels

The Visitor dimension is comprised of the following levels. For each level, information about each attribute (column name) is provided in the following format:

• Attribute: Description (example value)

In addition to the pre-defined attributes, the levels contains five "generic" attributes that can be defined by the user.

CLK_L_VISITOR_TYPE

• Visitor_Type_Code: Internal identifier of the visitor type. (IDENTIFIED, UNIDENTIFIED, UNKNOWN)

• Visitor_Type_Name: Name of the visitor type. (User-defined)

• Visitor_Type_Attributes 1-5: Visitor type level user-defined attributes.

CLK_L_VISITOR

• Visitor_Group: The visitor group in which this visitor is unique; natural key. (3159d99b8380,208.7.71.51:Mozilla/3.01 [compatible;] )

• Visitor_Type: The type of visitor; natural key. (User-defined)

• Visitor_Click_Code: Identifying string for this visitor taken from the clickstream; natural key. (3159d99b8380,208.7.71.51:Mozilla/3.01 [compatible;] )

• Visitor_Code: Internal identifier of the visitor type . (IDENTIFIED, UNIDENTIFIED, UNKNOWN)

• Visitor_First_Visit_Date: Date on which the visitor first visited the site in Coordinated Universal Time (UTC) excluding any hour, minute, or second components. (26-JAN-2002)

• Visitor_Attributes 1-5: Visitor level user-defined attributes.