PLATFORM PROFILEREL.L sub
LexisNexis
6.46
B-index (V3.1)
BLACK HOLE
Capture1.848
Escape0.286
Key Structural Insight
Legal research duopoly
Eleven-Parameter Profile
Data Depth9/10
Memory9/10
Action7/10
Process9/10
Network7/10
Closeness8/10
Portability2/10
Substitutability3/10
Human Fallback3/10
Org Depth8/10
Momentum5/10
Capture Escape Extended
V3.1 Decomposition
| Component | Value | Formula |
|---|---|---|
| CES₄ capture core | 0.8476 | CES(d, m, a, p) |
| Knowledge synergy σₖ | 0.9000 | √(d · m) |
| Operability synergy σₒ | 0.7937 | √(a · p) |
| Synergy boost | 1.2541 | 1 + 0.3·(σₖ + σₒ)/2 |
| Org-depth multiplier | 1.4000 | 1 + 0.5·o |
| Momentum multiplier | 1.1500 | 1 + 0.3·t |
| Total Capture | 1.8483 | c·(1+0.5n)·core·syn·org·mom |
| CES₃ escape core | 0.2644 | CES(x, s, h) |
| Feedback attenuation | 0.7033 | max(0.3, 1 − 0.35·core) |
| Total Escape | 0.2860 | ε + escCore · feedback |
| B = Capture / Escape | 6.46 | 1.848 / 0.286 |
Scoring Rationale
Parameter Sensitivity
MARGINAL B-INDEX CHANGE PER ±1 SCORE SHIFT
CLOSE8+1.62
PORT2-1.28
FALL3-1.02
SUB3-1.02
ACT7+0.62
DATA9+0.55
MEM9+0.55
PROC9+0.54
NET7+0.48
ORG8+0.46
MOM5+0.34
+ 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 | Clarivate (Web of Science) | CLVT | 4.99 | BLACK HOLE | Profile → |
| 04 | Canvas LMS | INST | 3.17 | 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 → |