PLATFORM PROFILEINST
Canvas LMS
3.17
B-index (V3.1)
BLACK HOLE
Capture1.256
Escape0.396
Key Structural Insight
6500 institutions
Eleven-Parameter Profile
Data Depth7/10
Memory8/10
Action6/10
Process8/10
Network7/10
Closeness7/10
Portability3/10
Substitutability4/10
Human Fallback5/10
Org Depth7/10
Momentum4/10
Capture Escape Extended
V3.1 Decomposition
| Component | Value | Formula |
|---|---|---|
| CES₄ capture core | 0.7225 | CES(d, m, a, p) |
| Knowledge synergy σₖ | 0.7483 | √(d · m) |
| Operability synergy σₒ | 0.6928 | √(a · p) |
| Synergy boost | 1.2162 | 1 + 0.3·(σₖ + σₒ)/2 |
| Org-depth multiplier | 1.3500 | 1 + 0.5·o |
| Momentum multiplier | 1.1200 | 1 + 0.3·t |
| Total Capture | 1.2556 | c·(1+0.5n)·core·syn·org·mom |
| CES₃ escape core | 0.3958 | CES(x, s, h) |
| Feedback attenuation | 0.7471 | max(0.3, 1 − 0.35·core) |
| Total Escape | 0.3957 | ε + escCore · feedback |
| B = Capture / Escape | 3.17 | 1.256 / 0.396 |
Scoring Rationale
Parameter Sensitivity
MARGINAL B-INDEX CHANGE PER ±1 SCORE SHIFT
CLOSE7+0.91
PORT3-0.47
SUB4-0.40
FALL5-0.36
ACT6+0.35
DATA7+0.32
MEM8+0.30
PROC8+0.30
NET7+0.24
ORG7+0.24
MOM4+0.17
+ raises B (deepens lock-in)− lowers B (aids escape)
Comparable Platforms — Education, Research & Professional Information (7 peers)
| # | Platform | Ticker | B-index | Zone | |
|---|---|---|---|---|---|
| 01 | Elsevier/Scopus | REL.L | 6.89 | BLACK HOLE | Profile → |
| 02 | Westlaw (Thomson Reuters) | TRI | 6.63 | BLACK HOLE | Profile → |
| 03 | LexisNexis | REL.L sub | 6.46 | BLACK HOLE | Profile → |
| 04 | Clarivate (Web of Science) | CLVT | 4.99 | BLACK HOLE | Profile → |
| 05 | Turnitin | Private | 3.10 | BLACK HOLE | Profile → |
| 06 | Blackboard | Private | 1.82 | EVENT HORIZON | Profile → |
| 07 | Coursera | COUR | 0.62 | GROWING GRAVITY | Profile → |