There are disclosed systems, method and tools for facilitating group collaborations. In an embodiment, collaborative ideas are represented in a modified tree data structure in which ideas are stored in nodes of the tree (an “idea tree”). Each node may be associated with data storage means, such as a table of records, in which different kinds of data can be stored. Data stored in the idea tree, or a part thereof, may be created, modified, deleted or organized by using various types of collaboration tools. A participant's interaction with the idea tree, or a part thereof, using a particular collaboration tool may be mapped as a transformation of the idea tree from one state to another. Other participants may simultaneously or successively interact with the idea tree, or a part thereof, using the same or a different collaboration tool. A coherent representation of collaborative ideas can be developed and organized without excessive manual effort.
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