Este artigo de George Siemens procura fazer uma distinção entre estes dois conceitos. Talvez seja um bom ponto de partida para começarmos a arquitectar o nosso projecto. Deixo um excerto. Podem ler o artigo em http://www.connectivism.ca/?p=104:

Collective intelligence: “is a form of intelligence that emerges from the collaboration and competition of many individuals”. According to this definition, intelligence is not a product such as information or knowledge, but rather a capacity to come function together to achieve a particular task or intention.

I don’t have concerns with the process of collective intelligence as presented here, but I am concerned with the identity-less product which is the consummation of individual work and what is often presented as the work of the collective.

Connective intelligence: individual creation of information, ideas, and concepts which are then shared with others, connected, and re-created and extended based on the interaction.

Simply, collective means blending together. Connective means connecting while retaining the original (though others may build on it in their own spaces).