Server-Initiated Ad Impression

See also: Client Initiated Ad Counting, Client Initiated Ad Impressions, Server Initiated Ad Counting

CIMM DEFINITION: One of the two methods used for assessing ad impressions. Ad content is delivered to the user via two methods – server-initiated and client-initiated. (Source: IAB)

Session

See also: Visit
CIMM DEFINITION: A measurable segment of available content seen by a unique viewer, by viewing device. Today the viewing device is the set-top. In the future, the device will need to be defined and specified. (Source: CTAM Advanced Cable Solutions Consortium, DAI Metrics)

2: A sequence of Internet activity made by one user at one site. If a user makes no request from a site during a 30 minute period of time, the next content or ad request would then constitute the beginning of a new visit. (Source: IAB)

3: A series of transactions performed by a user that can be tracked across successive Web sites. For example, in a single session, a user may start on a publisher’s Web site, click on an advertisement and then go to an advertiser’s Web site and make a purchase. (Source: IAB)

Session Cookies

See also: Cookie

CIMM DEFINITION: These are temporary and are erased when the browser exits at the end of a web surfing session.  (Source: IAB)

Sessions So Short They Need To Be Capped

See also: Capping
CIMM DEFINITION: A Kantar term for when there are gaps between viewing sessions that are so short (under 60 seconds) that there has to be some viewing. (Source: Kantar Media Audiences)

Set-Top Box

See also: Analog Set-Top Box, Digital Set-Top Box
CIMM DEFINITION: A device that can be an actual box attached to the television externally or it can reside within the television. The Set-Top Box can be analog or digital, based on the quality and the signal and the technological capabilities of the box software.

2: A Set-Top Box is a device that enables a television set to become a user interface to the Internet and also enables a television set to receive and decode digital television (DTV) broadcasts. DTV Set-Top Boxes are sometimes called receivers. In the Internet realm, a Set-Top Box is really a specialized computer that can “talk to” the Internet – that is, it contains a Web browser (which is really a Hypertext Transfer Protocol client) and the Internet’s main program, TCP / IP. The service to which the Set-Top Box is attached may be through a telephone line as, for example, with WebTV, or through a cable TV company like TCI. In DTV, a typical digital Set-Top Box contains one or more microprocessors for running the operating system. A Set-Top Box also includes RAM, an MPEG decoder chip, and more chips for audio decoding and processing. More sophisticated Set-Top Boxes contain a hard drive for storing recorded television broadcasts, for downloaded software, and for other applications provided by your DTV service provider. (Source: itvdictionary.com and Searchnetworking.techtarget.com)

3: Any device that connects to a television set and an external source of digital or analog signal, converting the signal into content which is then displayed on the television screen, Also known as a converter box or video access device (VAD). (Source: Nielsen)

4: A cable Set-Top Box is a device that is an actual customer premises equipment that received television and other data signals through Cable, processes the signal, and outputs to the television. Majority of US cable Set-Top Boxes are manufactured by Motorola and Cisco / Scientific-Atlanta.(Source: FourthWall Media)

5: A device electronic device that connects to a TV providing connectivity to the Internet, game systems, or cable systems. (Source: IAB)

6: A physical device attached externally to a television, or resident internally, which when connected to an external source of digital or analog signal enables the display of video content on the television screen. (Source: MRC)

Set-Top Box Rating

See also: Rating
CIMM DEFINITION: Rating based on the Set-Top Box rather than household or person.

2: The percentage of available STBs within a sample or population or a census that is watching a program, or during a time period or an ad or any piece of content out of the measured population or census. (Source: Nielsen)

Sets – Primary, Secondary etc

CIMM DEFINITION: Televisions as they are located in the home. The primary set is the one that is the primary set for television viewing by most of the family. A secondary set is usually located in the secondary choice of venue for viewing television, such as a bedroom.

2: When multiple televisions are located in the home, the primary set is the one used for the majority of television viewing time within the home. A secondary set contributes less of the total household viewing time. (Source: Rentrak)

Share

CIMM DEFINITION: The percentage of viewing to a program or time period out of only those sets or Set-Top Boxes in use at the time.

2: A channel’s average audience divided by the total audience of television viewers (TTV) expressed as a percentage. (Source: Kantar Media Audiences)

Share of Hours

CIMM DEFINITION: The percentage of hours spent on content or channel out of the total number of hours available.