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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教1 w" p3 ^" I% `! w
globals[
?7 i3 d1 h; H" Cxmax" ~' C8 G+ w7 o, R2 ?; S
ymax, A n8 G: ] z' p
global-reputation-list, w# a* S8 G: ]8 T( D- f8 W7 K
, ^. T# ~- q, Y- x9 \! [% G
;;每一个turtle的全局声誉都存在此LIST中
' v. f4 m% M) S v5 N+ Dcredibility-list
c$ I2 m- G$ }+ ~. z6 |' C;;每一个turtle的评价可信度
0 f( @$ }5 t4 {honest-service
9 z6 e7 ]* A8 w. E0 Qunhonest-service
* ?( Z/ L% O: u& toscillation
5 B6 u( ^# @$ W4 m3 L8 zrand-dynamic, X' T7 `6 R% N @8 V
]
7 z; w) ]1 G! B% I! t
& X, I3 [' T. }0 mturtles-own[
3 i( {" f# H/ m! }4 X* ctrade-record-all
) d3 P$ _) o9 }8 e# X4 i4 b. q" a;;a list of lists,由trade-record-one组成+ J) o/ l4 U( s- B2 g& A) \1 p
trade-record-one
' C' p% y6 [8 H5 Q3 e: f2 l;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录4 \ l" q" a0 K5 V$ v
$ d0 o ?( s8 w8 k
;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]) _2 r. x0 Z& J. R6 ~# @
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
4 j$ u1 C8 c" O- g9 k+ H; F0 _9 Ycredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
% v# v e: X0 U4 sneighbor-total
" p+ F$ a* C( m" p' P/ O;;记录该turtle的邻居节点的数目. X7 @( k% e; R7 w0 P! h
trade-time
, `( b6 W9 u3 h* n# o;;当前发生交易的turtle的交易时间( D! m/ i$ x k
appraise-give
Y4 z M9 h; c. E8 f;;当前发生交易时给出的评价, S' p1 k2 q- F( r: O
appraise-receive
4 G3 ? m2 o) q" N4 ?) t9 H7 f;;当前发生交易时收到的评价# ]' M- y: J! G5 \
appraise-time
4 a& U, R4 \' S( Z# N( K;;当前发生交易时的评价时间% b3 @* i: T! z
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
+ s# ^; T& B8 i8 m1 w) Rtrade-times-total
* T8 ]" [; Y( ]- ~7 d) ?# c;;与当前turtle的交易总次数& R5 |$ r- Z5 n w
trade-money-total
& q' R/ B+ M' k% Y# ~) G;;与当前turtle的交易总金额- p$ k8 y. V; i) ?9 U
local-reputation$ G/ N( A1 G+ [% M, M) l& s
global-reputation
: X5 ^# G+ V4 I- ycredibility
2 c# j+ R; M) c) A. s1 W! c0 \;;评价可信度,每次交易后都需要更新
# e0 n# ]$ c( U/ y+ X" P7 xcredibility-all: a& C1 ~& B# S& g* s1 R
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
5 I' Y1 B4 x% p( ?+ V8 J, y% S5 H& H/ z( \" I
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5: x9 M3 f0 r9 ^5 V
credibility-one- f3 ~: y/ W) ?
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项" j% p D2 a& |+ F1 x
global-proportion8 M4 q8 u0 k w+ `" P$ X+ F2 {: R+ X# r
customer
: A( \/ J H6 B1 f0 |1 a. gcustomer-no
! `: p- }$ m4 Ttrust-ok
" _ H; w" h+ x, Strade-record-one-len;;trade-record-one的长度
# Q4 _ w; g9 A]
% V, S9 @. x& C1 }% H$ L4 J/ }8 c& v' q$ I. y* o& Y
;;setup procedure- l- w" D g. U* e& M
* a1 _3 `9 }' ]) ?
to setup! l, T7 E4 J6 E+ t+ {
x( M# Y/ d& T
ca
/ l+ U/ P/ s9 |5 B8 d( Z& u k! m+ O8 J
initialize-settings
1 H W" U/ ~$ G6 e2 Y+ [5 ~2 l6 h. O; X* \
crt people [setup-turtles]" z# f; p; l, Q: \, T; V: b0 i' w
7 M- Q7 H6 j: x. Q3 A* ]* W9 Z! c" x* Zreset-timer
+ q' f# P) w! e1 h) U
! U+ f1 @$ G8 @( W: Gpoll-class
' L+ z) M: y8 _4 y/ ]+ U1 @& `6 _* B {! S. u$ R, b
setup-plots
9 c) Q9 T5 P( [/ t; M4 R
. U H6 k! ~9 ^" fdo-plots
0 m5 y; @: G! |2 oend9 B( g- U* [8 T7 e
: @3 y% P: I' r) @5 Tto initialize-settings
7 V+ f" y" M3 e4 L3 A+ y$ r7 w9 `% C/ f7 I0 w
set global-reputation-list []' k0 m& J& W+ H& v
% M2 R4 X' u" @! B- g
set credibility-list n-values people [0.5]
' S- i( p# Q- h7 ]* V/ p- @- B C
set honest-service 0
0 ?9 m1 q* C- \! p O0 ~' n/ Q) }
+ S" z* d8 [0 L7 Bset unhonest-service 0
5 B& ?7 X% ~9 [1 E) w
) X& x' J6 i7 Y5 C& p8 Y; fset oscillation 0; z2 O. _" l9 K+ Z
2 ^$ f; T& E& c2 N- Y4 J" P9 xset rand-dynamic 04 b; Y* @$ U5 G" g
end
1 w3 i8 [4 U! i
/ @" b3 T) ^+ y; g% Vto setup-turtles 2 D6 m4 v/ k7 f! U8 S' Y4 X
set shape "person"
: ^" p+ k/ g6 ~6 M/ I, c. nsetxy random-xcor random-ycor
' }& c, l6 u5 M* pset trade-record-one []
% c# n) M9 f) s, L3 A$ Z1 @$ U1 b. G3 Z$ C0 J2 r
set trade-record-all n-values people [(list (? + 1) 0 0)] " O1 ^4 ~$ I! w% C
% f0 r i4 k7 ]$ l8 U$ Uset trade-record-current []
4 B1 J$ U3 z- I" A% sset credibility-receive []
" G. D2 ~7 q h1 Cset local-reputation 0.59 u! m8 o1 @' y/ J; W m
set neighbor-total 0
' F. ^0 C q, R" i3 N9 Uset trade-times-total 0
; h8 H4 r! E0 y! q5 Rset trade-money-total 0, r1 B& K3 c# t- \
set customer nobody9 q& T: L, T/ y% @5 \8 |3 B
set credibility-all n-values people [creat-credibility]
' l# C- @" F2 q. m, _* I" O( wset credibility n-values people [-1]
( s0 G6 n& d; q# Hget-color
- O6 ]3 O- O: L7 i& Q8 X( K5 |7 }7 h' ]! A" Q$ b
end
% G5 ~! r7 e6 j1 k8 {* d) q' r5 J0 { W' s0 \
to-report creat-credibility
& Y6 a" [" X0 F2 h/ s* Preport n-values people [0.5]
$ K, T D+ q& h3 E' Y+ T( D$ ?end
! {$ A/ S9 M/ I1 T: T3 V( D7 Z8 B* A1 C9 m+ o
to setup-plots
( ~, u! A: Z. _& X( q+ C0 z/ w1 U% ?
set xmax 30, I2 s- E b5 `4 Q( D4 _
# W: D- w0 |3 M7 B* h% k; Fset ymax 1.0( ?' x. y3 t0 d, l
* g) |' l; ^# ?, s7 `' cclear-all-plots
! y" g! a& S& O3 G/ ?5 A/ L
& r9 W" g1 U b v; c- Jsetup-plot1
! w0 [* `% W( P( S
0 g; @: a0 ~, {* t2 D7 Isetup-plot2/ L9 ^" T& B# Z( T3 W2 q7 E
+ Y3 e; }# S! C* Zsetup-plot3
7 l9 N2 N' j# v* aend1 @+ [& L% [% H: t( l) O% d
8 m# i: s4 |7 v& o( |' a" P;;run time procedures
9 i3 U& S# B, ~# ^+ p8 c
O6 \% ?& |1 z$ j: R: V3 B8 lto go
% m3 Q8 d1 }. }8 e6 Q) I$ N: G
: ]7 ]+ q; j/ z% y+ |4 \ask turtles [do-business]
$ _ X+ M# w& ^1 G: X8 Send
8 r2 ~: k$ _8 `0 y) [- r) v. c9 d1 f: d0 S) K
to do-business
" R8 F1 V% T( [0 e; H7 P, `. X: S& ^" a% ^% X
8 c" v$ Z. ` Ort random 3604 w6 U2 _; o8 s3 Z
# q4 {1 P' o4 \$ u+ Nfd 1
$ ]& H9 o+ M5 t% A
' y! `: U' @. R, `7 g6 w$ yifelse(other turtles-here != nobody)[. v- @; V$ k8 i3 h( Q' `
: E. _5 O( F0 X4 W3 W9 E, s L4 d
set customer one-of other turtles-here
2 b3 Z% e5 j! ]/ [/ h, c" J! _5 R! l$ N
;; set [customer] of customer myself
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0 F8 e6 _3 @1 y7 Aset [trade-record-one] of self item (([who] of customer) - 1)/ R6 @6 v: f8 ]8 v' ?( ~
[trade-record-all]of self
( u) w- \4 ~ I2 N6 i;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self3 N2 R$ L1 C. |, W1 B7 k2 o/ y$ F
/ A8 V3 M( J Z& l
set [trade-record-one] of customer item (([who] of self) - 1) d- R. S' W' _1 y; Y- V! \
[trade-record-all]of customer8 j6 \: l2 b1 P9 @2 H
/ [ b; y2 F+ A* b4 p5 z# yset [trade-record-one-len] of self length [trade-record-one] of self
, P7 e e9 Z; [4 M* d- M: _/ s: K
& C$ r) M, S, i4 _$ w. }. ~set trade-record-current( list (timer) (random money-upper-limit))
+ i) V2 t) N* |9 M' k& f R) a" g/ N7 ? `0 c6 i* j! M
ask self [do-trust]; L( ]! r! S6 F+ ]6 u, S+ {
;;先求i对j的信任度9 ?* P, f6 G! p5 u: V$ `
2 P% x2 D# p1 ^& H
if ([trust-ok] of self)% t, U4 Z. u( `9 }3 X% R4 ?0 T" W5 I
;;根据i对j的信任度来决定是否与j进行交易[
, n: C `5 `- Q" n" l; ^7 `ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself! F: S6 v. i% ^$ |. E
9 X3 K- E2 {/ [$ N& b[6 S/ ~- g& s, N u3 }
. l. D8 y1 q: U7 N( `
do-trade
1 I; I4 S# y; E% \' z. o& H5 S1 W- J/ ^$ a
update-credibility-ijl+ j9 L( L( n: v" H, @3 @5 ^/ `# i+ C z
! O: W3 z' F7 i+ ?" s; k
update-credibility-list' _% w6 W3 J4 g; j
! Q" \1 J3 P& u
6 s T9 J& L, Tupdate-global-reputation-list
: I# _/ E# R0 t2 b. L
$ i5 P2 `5 c6 q4 k# l- r1 D" dpoll-class3 G8 k( j1 \! r5 H
% w A2 t" J- g! c+ j; T" K: {get-color! b. u$ G, Y, M. U# ~1 X4 k. c
- ]9 M2 Z9 E! V" g: M2 O) |
]]/ S6 c5 }; |" S( ^4 K. Y
v0 E! m2 s( C4 c n5 U;;如果所得的信任度满足条件,则进行交易1 {0 k4 Z1 [' K( I# j2 j! X
$ j. d) b1 J( K2 w' D' A0 ][
/ u- \, E! G3 H: h9 S+ j
8 x, Q" r* v7 Rrt random 360/ o0 f7 p) r Y" ?) d
4 P: h6 T$ b# N9 n/ J+ n0 hfd 1
; t) c) W! S; K# @: L
% F9 u! ^& R' Y, x2 [7 @5 c% R. z]
5 F6 ^/ Y! ~, z8 ]; D
$ }" S" K) j6 V2 f6 v. Rend% y4 `* X% l* I9 |0 [
% X+ _6 L# g7 o* z, h) a! P9 i
to do-trust
2 N2 P* `. p( }/ B* Z8 I6 Q: Qset trust-ok False
1 k& `: m R: G0 M8 ^
2 O6 w5 }5 E+ l
- d' O. @1 L; h- P3 ilet max-trade-times 0
. W" Z& O7 u9 J: _" h$ aforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]! c. L' F' G3 L4 h/ {8 a8 @/ x( @) q
let max-trade-money 0
; W- C: ~' A4 ?+ N" _* oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, m) E' Q' `, A+ q9 r+ {let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))1 X! p8 A; w; @* a6 U# y, o
$ x( z6 r! L% H* _5 R/ Y& D H
" n5 c* X6 q0 h5 c( n/ nget-global-proportion
8 ?7 l; M/ z9 ^1 @$ j8 r4 \( X slet trust-value
* o. e+ z/ I- {4 Tlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
8 N! S6 u5 A0 c3 h& v9 B' Sif(trust-value > trade-trust-value)
4 h2 \9 @% L6 s: J[set trust-ok true]
P$ U2 Z* r, L7 g# y' R; {2 \end
* c$ R% p$ C n6 c( B0 j3 @7 O' u m, a# u* o
to get-global-proportion- c1 P, O: k' q. D
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% }$ L, s7 D" `" g) B* m2 {
[set global-proportion 0]2 l( z( F5 @0 i* p. R
[let i 0
; w' n6 g- a z$ H$ q3 e+ Y5 Nlet sum-money 0$ \4 Y, B% R: e q0 Z$ m
while[ i < people]7 K+ i) |3 _2 m! T* l. [
[) d. [- p" N# P" e
if( length (item i
( }7 n, \! y& m) w/ o$ @% v) D; E[trade-record-all] of customer) > 3 )
1 e2 N4 l- [ ~9 U[/ g! Y# [* g: v N+ {
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))" E2 M$ J7 ] T; C
]
7 s7 d2 Z, c1 m1 j- u]) D: |3 m8 F, _6 e
let j 03 ~& D- [7 v0 N* G2 w& N7 E
let note 0
V7 N7 W' U- x" F% R. g5 u7 kwhile[ j < people]& q& K" ]$ L" @
[; a4 g' {& a8 U, f
if( length (item i7 _( Y# K1 ?8 s8 j" M; I
[trade-record-all] of customer) > 3 )
4 I) i. h. |" W$ L' v4 {; A[6 o/ E, H$ L; ?" L5 ?
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
F( o4 _6 |0 A+ ~8 h[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)] h9 C% K6 _( l9 p5 [- Z, F
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]( r5 b7 a d) k8 H
]! B% L2 c7 b$ x v
]
- L2 D0 k6 }) o" X5 eset global-proportion note% E- M; m" O( n3 x9 u
]2 v) _. J! R6 \4 D n3 B% L
end
0 u2 k- o$ \( a2 j* z) _
0 V5 s( r, f: b$ n2 p6 J# O: a# mto do-trade
' c, T3 z: h. z D. K3 m;;这个过程实际上是给双方作出评价的过程
$ Z- ^3 f5 c4 P8 u& d, Y1 vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- I' q3 p: e& S: V3 X
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
) ]. a6 k7 u+ Z) m% Yset trade-record-current lput(timer) trade-record-current( j: r; Q; D }, i" ]! z
;;评价时间
+ _9 F6 D$ K5 u: R0 l0 }2 Z) Eask myself [4 _# v8 V6 X1 t/ Y, w9 a& f
update-local-reputation
. A' p2 c P- {+ }set trade-record-current lput([local-reputation] of myself) trade-record-current
9 _# A, y2 j; [], l5 |+ ~" q+ i+ q- H. r
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
) @5 O; [2 y2 O. H$ J;;将此次交易的记录加入到trade-record-one中( Z" Q4 W9 a7 H+ {/ u* l- w P. u
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
4 q, x, p; x+ {$ p# Mlet note (item 2 trade-record-current )
7 G& A& r& q/ G1 kset trade-record-current
2 V$ t5 f* S% n6 w% {(replace-item 2 trade-record-current (item 3 trade-record-current))& C# m- [. u, }
set trade-record-current; X6 G. F7 q" p
(replace-item 3 trade-record-current note)
) [/ L A5 M$ Z$ J- \* d
# u7 Y: E2 y( B; L5 t: X1 w3 r! B+ z# q# W% A3 B3 L
ask customer [" ?5 `3 z! ]4 v2 \3 |- O q
update-local-reputation3 {+ S, S0 L' j/ q' D4 Q' H" c( Y
set trade-record-current
2 R' H8 ~, D5 {. G(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
$ }3 ?; H6 r+ v% L6 Y]
- j1 I7 C3 ]+ _ @; `/ F* z0 n ^5 H& V- t
" ]. ^# {% u; n
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer( G$ `* T6 x' z& r
, R- I2 A. ~# A# g" }
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))3 `) y- U, ?- i# ]7 L
;;将此次交易的记录加入到customer的trade-record-all中
+ p1 M. q" Z% j% Z* q7 Iend
7 u: A( W$ n$ y, P2 A% ?' z4 M" x; c) E/ S- n, T5 V
to update-local-reputation1 B& R8 i4 ^$ J/ Z
set [trade-record-one-len] of myself length [trade-record-one] of myself
4 ]# e# E ?7 g4 ?- Q# R4 W9 d
B' {& z+ l. s1 c# t% m2 ~. e2 b$ c* d0 `7 k0 s
;;if [trade-record-one-len] of myself > 3
( r' ~9 F% Y* f6 @update-neighbor-total8 _3 U. o) a6 v! Z6 t
;;更新邻居节点的数目,在此进行
, Z5 N# v+ Z, w9 O7 jlet i 38 D5 m/ p" J& G1 Y: b: L6 J
let sum-time 0
. T4 N. a" S5 ]- Qwhile[i < [trade-record-one-len] of myself]
: _1 z! w" D& d6 m: S H& e( `[
( _2 @* h' l* o0 jset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
" a3 X5 v7 `. h Lset i
; B" \1 }, P6 a( i + 1)
H- e+ @! u2 d) W]
1 j0 Q6 f, x. Y/ V% J W! F0 b# r- d# llet j 3) i* h) v# X" [1 F) b3 |& G4 b4 c
let sum-money 0# J4 m7 w. o1 F) q" r2 T s
while[j < [trade-record-one-len] of myself]0 C8 q' M* `! ]+ x7 G
[
$ G2 h0 O, @2 Q' c8 {' u5 F6 B1 Aset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)7 s" `) j3 r0 M( @# v
set j# Q V7 L7 S t& W: c4 r" h X4 s
( j + 1), [+ J9 K3 [+ }$ B2 K& L6 K! ^
]' S! t" {; x' P
let k 35 R4 J% |6 X/ u q6 z3 o5 |
let power 0
/ }4 X% ?: J* ]( S. {1 H- Zlet local 0
* }7 ~. A. z5 F' F7 }while [k <[trade-record-one-len] of myself]: N9 C" b- ]( a' u
[
2 y( J B8 z& D1 J7 S& u; fset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) " ^. E( [1 ]& s# q% U) ^
set k (k + 1)( f( W) X+ b) o! f
]
3 H! m9 B6 y) X( V$ ~9 Pset [local-reputation] of myself (local)
# w- Z9 x& |( o/ {8 ~# f/ oend
- d" ^# G$ c0 j1 D
3 u* \ z" f- G0 ^/ Xto update-neighbor-total9 E' o, ~. x9 i- V
& e) I5 r7 U( l/ rif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
x9 ~8 D/ D) o0 {4 x) b2 S4 [% D! ^2 t' o. M1 \- l
( }8 S( j$ [6 X8 o3 u8 ]1 Rend2 h+ {( n8 C8 A( `0 G* t( f
6 T* K, R2 X& P3 z' uto update-credibility-ijl
% V/ M; K6 U' j& u; G6 b4 W0 f; ^. W4 ~1 }, h4 ?3 E \- s
;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
" X. Y! v3 v3 M/ h1 V6 Alet l 0
% P: B {" Y4 ^3 swhile[ l < people ]
9 t, H% Y4 v% X; |;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
* ~$ @# A9 g+ J! {7 v[1 x, X6 T6 [( g1 j$ y5 K- q
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
( T" x, i- c( T9 Oif (trade-record-one-j-l-len > 3)
% l( g) ]& W( f3 a[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one( B% o& p" v( {
let i 3: {! N" A3 N j- z \* r
let sum-time 0
0 Y+ e5 \( ~& z+ X$ |5 E: iwhile[i < trade-record-one-len]$ ` Y. s# A) h* X* x% ~* B, d. E
[ r. W V/ u% \
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ n4 P8 \" ?% X t8 Q* N
set i: u9 B) P7 d0 L" b" F0 H- \
( i + 1)) d& b4 G: m& u, B
]
$ h- U$ O8 k S# Ulet credibility-i-j-l 0: d# d E/ z5 v+ [6 z
;;i评价(j对jl的评价)
, }* S2 D4 m. ~- Plet j 3
* d Z* V. L- K! Y( B4 Qlet k 4
& C, p- g) O, Q4 q# Z# g) Rwhile[j < trade-record-one-len]3 [& w+ L' m; ^2 h
[, q1 u# X8 j1 ^9 I& s
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉5 T# f- Y9 @, S3 l
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time), Q: v3 ?2 p2 v$ y0 j
set j, Q5 P" I6 F2 S/ K
( j + 1)( ?$ p* l4 M) `* e4 V/ a; Z/ @
]
! ]7 M A1 X3 u- A g) S" q# z) xset [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
! s0 `/ x) _4 C0 s
4 Z. @, P5 W' V' y
1 S! Q: W2 k- @' m# O: X/ ilet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
+ G$ J1 ]6 Y* Z5 ]. G;;及时更新i对l的评价质量的评价
# S6 k" X8 K$ `set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
0 a+ v1 g6 |# _set l (l + 1)
6 |% B6 L3 ~# }" g% r% s1 g9 v]1 U# @2 U; O" l
end
* p) b, T0 q5 {: S. ~' z8 V
: ?6 c: A2 N3 c; \' O+ rto update-credibility-list8 J7 p# B- K9 d% o& l3 j
let i 08 |) F: p& N8 [3 u
while[i < people]7 z3 l% E( A7 } ~, ?9 y
[, ~2 V) }8 ?$ W: B" L* M/ K. ~. E
let j 0
- L& y9 Q5 a* i8 ^let note 0
' ^5 \4 T7 \5 [. p* Z0 `let k 0
5 Q# Q# Z Z& R;;计作出过评价的邻居节点的数目4 @+ q8 ], X. z6 K
while[j < people] P" i$ }- h8 |
[
1 Z' W7 i: T0 m3 W& M0 z, Kif (item j( [credibility] of turtle (i + 1)) != -1)+ G( o. p `7 Q+ V) q+ x, m# k
;;判断是否给本turtle的评价质量做出过评价的节点; i8 }: I3 a* \& ~1 A8 Y
[set note (note + item j ([credibility]of turtle (i + 1)))
. ?! h( Z0 H$ A;;*(exp (-(people - 2)))/(people - 2))]
; P' ^7 T, J' Nset k (k + 1): r8 m; d3 e% W/ X7 e
]: g% F2 `# y" c0 N2 {1 T
set j (j + 1)
6 @; |, }* T0 v+ m! s: ]/ X) c- ?, ~2 i]
2 R: ~" [! f8 W$ b3 ]/ fset note (note *(exp (- (1 / k)))/ k)
2 ]; \1 G* n7 ~set credibility-list (replace-item i credibility-list note)) Z& w2 C9 ^% J) ^! O X/ f
set i (i + 1)
! J9 q8 _8 t; u: M9 I; U7 H4 S8 Q A]# h8 h& ]+ Z' ^+ [, R
end
8 X; d; b( V/ j0 L+ I$ }5 q) ?4 |
0 q1 `6 E- i. R6 E; Z$ n y; \" }+ pto update-global-reputation-list7 @! S8 e4 u; g( T; s O6 [
let j 0- |# `7 @) i+ `9 a) A& c* h/ H
while[j < people]6 i4 u( D! h7 f( |4 j1 r. Y
[
& N* w# E |, H; Ilet new 0
+ m% |5 H3 r/ j. N: p% q;;暂存新的一个全局声誉$ `( l3 @' Y' v0 _! X) M+ [5 c3 b5 _
let i 08 n" v- n9 q8 M: G( o6 \9 d4 \* T" l
let sum-money 0: g' |) k! y+ N
let credibility-money 0
' b8 g8 w3 p1 l% C, {6 N, uwhile [i < people]! H! U2 C5 r$ b+ C9 q Z
[$ c4 M* z# w( j( T& K% ~
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 i3 @0 U0 x& B* Q
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& J1 L9 Z9 ^. D% b
set i (i + 1)
; M+ d% E0 }1 A. l: f& `]; e: e5 u1 h, @9 G! U+ }1 a2 z, s; j
let k 0% V; z \7 C, N! o W5 h" {2 P
let new1 0* e# c* Y w) u' N
while [k < people]
$ X: g6 Q7 a& x[
+ b8 K: e! f% Z0 C- Fset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)" q% o# U5 h( h8 W5 Z
set k (k + 1)
) ]- r8 C4 S- E) N+ G, t]4 z* y' Z" ~( q5 @# |0 I
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) , l1 T! h7 P1 j( D+ `
set global-reputation-list (replace-item j global-reputation-list new)6 q# s. h/ \) f* v
set j (j + 1)
5 \+ ^; N y+ m& j]
?& P" m* n8 i" w+ Cend
! q! K t5 |4 Z! h! [- b2 A
# A# E8 G; O8 c3 m6 U" J2 P
2 \3 |9 p7 Q5 H$ k* T6 k2 ?- s. t6 O' K% y+ e: C
to get-color
: F V8 v' Z% c" B! E9 n7 p% ^& p6 Y# n; X: W i5 _9 c: t
set color blue: h* A: N! y% U0 e# u) i6 V
end7 i) N" s# s$ H6 f6 z
0 n: L d1 j4 I9 {$ {
to poll-class
, E; R9 g7 D* C9 @, V, B: l$ k# iend+ V. j. n5 Z3 s1 z$ C1 F) W
# o5 H8 c k" _( G b& ]/ @to setup-plot1. D- C2 Y- U# R3 I' ^/ I( I o) U
! u8 l4 p3 q; k9 eset-current-plot "Trends-of-Local-reputation"
* k( n/ Q9 d3 ~+ o8 w
% P" E% M6 |' g# Qset-plot-x-range 0 xmax
8 R+ |2 {# Y6 `: ^& I/ n6 h, w! y m) B/ J4 [, j! N
set-plot-y-range 0.0 ymax$ U' X0 N u8 ?: x4 ^
end
* K% J& v4 r; R8 @ E! [- ^& p9 @' X8 _+ ?( J
to setup-plot2
/ N5 \6 a" m3 o; f. S
3 Z0 K* q, o) u6 \set-current-plot "Trends-of-global-reputation"6 x3 @8 n' L. K) \' j
$ v* L- }3 W2 z. q+ k% K
set-plot-x-range 0 xmax& o& e9 e5 g" e; r; s
6 [" ]8 {1 C }set-plot-y-range 0.0 ymax
}) c& z# q! F) X+ ]* X! Send; J' M/ S$ W* [, h' ?8 S
9 `1 R5 \; f m8 w7 mto setup-plot3$ E2 h( D( w9 ~
/ t" _, y2 b/ ~set-current-plot "Trends-of-credibility"
/ k; E! _4 s `0 g( \0 m' u0 B7 n9 I) B6 }2 G
set-plot-x-range 0 xmax
! l; L2 i2 p# J8 P; t" C1 c) g
! u) {( {4 c z6 Z1 {+ r) X; n7 jset-plot-y-range 0.0 ymax3 p; A& o$ k# A7 o# s: _ |
end6 j6 v0 g' x! S6 P
; c3 t+ W0 {* {1 I; [% j; l3 sto do-plots
& I/ O+ q5 b* H6 E( kset-current-plot "Trends-of-Local-reputation"
$ l4 m& {1 w+ {% C% x! tset-current-plot-pen "Honest service") c% b& o7 K( M0 P; u# U! N
end
8 B c7 x8 K; g8 K X
9 {7 B3 \! O6 J ][ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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