Table 3. Occupational group sociomatrix based on information/knowledge exchange network (Table 1). Numbers in cells represent the ratio of the measured vs. the expected number of relational ties. Seine net Businessmen Farmer Deep sea Gill net Middleman Number of group members Seine net 6.13 0 0 1.02 0 0.29 16 Businessmen 0.92 0.21 0.19 0 0 27 Farmer 1.64 0.13 1.15 0.58 8 Deep sea 2.79 1.23 0.72 45 Gill net 9.20 0.46 10 Middleman 5.11 10