7. The method of claim 2, further comprising displaying an a-v pair of interest; displaying co-occurring a-v pairs in a first window; displaying parent a-v pairs in a second window; and displaying child a-v pairs in a third window.
7. The method of claim 2, further comprising displaying an a-v pair of interest; displaying co-occurring a-v pairs in a first window; displaying parent a-v pairs in a second window; and displaying child a-v pairs in a third window. 8. The method of claim 7, wherein each window is columnar.