EVENT BASED ADVERTISEMENT SELECTION

1 . A method for selecting an advertisement (ad) to display in an ad spot, comprising:

accessing a database documenting a plurality of categories, each including at least one event item having geographical coordinates, an event occurrence time parameter and at least one descriptive parameter;

receiving at least one theme definition selected for an advertising campaign;

matching between said theme definition and at least one relevant category from said plurality of categories;

assigning an ad from said advertising campaign to said at least one relevant category according to said matching;

receiving a message indicative of a location of a user at a specific time from a client terminal associated with said user;

finding an event item corresponding to said location and time;

selecting an ad from said at least one relevant category which includes said corresponding event item; and

sending said client terminal a response to said message, said response comprising instructions to present said ad on a display of said client terminal.

2 . The method of claim 1 , initially comprising:

monitoring event data acquired from a plurality of sources;

analyzing said event data to provide said event items; and

defining said plurality of categories according to said event items and assigning said event items to said categories.

3 . The method of claim 2 , wherein said monitoring is performed continuously throughout said method.

4 . The method of claim 1 , further comprising:

analyzing ad statistic performance data received from said client terminal;

suggesting changes in said at least one relevant category; and

updating said at least one relevant category.

5 . The method of claim 4 , wherein said updating includes one of removing a relevant category and adding a relevant category.

6 . The method of claim 1 , wherein said selecting is optimized according to performance analysis of previously selected ads.

7 . The method of claim 1 , wherein said selecting is optimized according to said location and time.

8 . The method of claim 1 , further comprising:

updating said at least one relevant category according to new categories.

9 . The method of claim 1 , wherein said categories further include at least one location item having geographical coordinates and at least one descriptive parameter.

10 . The method of claim 1 , wherein said categories are arranged in a subject hierarchy according to thematic connections between said categories.

11 . The method of claim 1 , wherein said client terminal is a mobile application installed on a mobile device of said user.

12 . The method of claim 1 , wherein said client terminal is a browser installed on a mobile device of said user.

13 . A system for selecting an advertisement (ad) to display in an ad spot, comprising:

a category database containing a plurality of categories, each including at least one event item having geographical coordinates, an event occurrence time parameter and at least one descriptive parameter;

a campaign database containing at least one relevant category from said plurality of categories matching at least one theme definition of an advertising campaign; and at least one ad from said advertising campaign assigned to said at least one relevant category; and

a client terminal interface for receiving indicative of a location of a user at a specific time from a client terminal associated with said user corresponding to said at least one location item included in said at least one relevant category and for sending said client terminal a response to said message, said response comprises instructions to present said ad on a display of said client terminal.

14 . The system of claim 13 , further comprising:

an advertiser interface for providing said at least one theme definition by an advertiser.

15 . The system of claim 13 , further comprising:

a categorization module for monitoring and analyzing event data acquired from a plurality of sources to provide said event items; and defining said plurality of categories for said category database.

16 . The system of claim 13 , further comprising:

an optimization module for updating said campaign database according to ad statistic performance data.

17 . The system of claim 16 , further comprising:

a statistics database containing said ad statistic performance data.

18 . The system of claim 13 , further comprising:

a designated module embedded in said client terminal.