|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
2 {7 l7 I% c* S8 B& qglobals[
! M' _7 s' m6 @ ^2 R0 |xmax
5 \) G& V2 @/ d# oymax
$ o, P4 O% G1 V Nglobal-reputation-list+ e4 J' J& V3 k3 h- l. A
0 e1 R A: s9 ~$ O I- S% M/ N7 K;;每一个turtle的全局声誉都存在此LIST中
3 r/ p6 x: O! n" Q1 a' \credibility-list
7 o8 f, N( P( q, [! T;;每一个turtle的评价可信度9 y9 T3 C, j. N
honest-service
6 e2 T' a+ I1 w- junhonest-service
' D5 ^5 P% C/ [& i# `3 l6 U! [; Roscillation& m! F+ A: G- L- g1 n/ ?1 ]
rand-dynamic* @7 E* J' t% w1 @+ p
] ^* v }, X! } c( D
8 ?! [1 G( E. a/ R9 y
turtles-own[& U! d ~9 `1 g9 g! Y
trade-record-all
% ^3 r5 e9 r# S4 [& R;;a list of lists,由trade-record-one组成) a, @* L: S; M, E! V
trade-record-one7 K' d7 `: Q, b8 z
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
; e6 Y/ K# r- G1 u2 a
( n. I( R. x. B% q; P;;[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]]
7 K& E0 n( C& M4 \% Xtrade-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]
/ A1 j1 Y8 h) g$ a$ zcredibility-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, ]2 S! ?' X6 G0 W7 V6 T
neighbor-total' C2 |' i( P, L6 l6 i6 a8 ^* q3 b
;;记录该turtle的邻居节点的数目
( \% |) J* R* w% \7 c" A9 w! Etrade-time
2 U' R- n, T: H6 k% {. L. c9 V- J;;当前发生交易的turtle的交易时间0 K9 Z3 W* L; z+ ~! v0 v
appraise-give
" ^; ~/ q% C8 A4 C, f2 l! o0 ~. Q5 t8 V;;当前发生交易时给出的评价
: x0 r" k y7 Q/ G3 {+ @! @: happraise-receive
# \, Q4 y4 ?( \5 `;;当前发生交易时收到的评价
$ m+ P! ?' N8 |* P5 g3 `appraise-time, `+ i* o% u. e1 _
;;当前发生交易时的评价时间
; S S3 Y O1 O& v, |5 t+ F( S0 {; {local-reputation-now;;此次交易后相对于对方turtle的局部声誉; V; I6 C0 [$ W% E
trade-times-total# W( I2 L! p( |, U
;;与当前turtle的交易总次数
, J$ _, J6 U: O J" utrade-money-total
& ~- ]& u- B" P7 ]- c6 ^;;与当前turtle的交易总金额1 n+ C' h, J. b }
local-reputation6 }. C! d- S0 L! T& ^7 _8 ?
global-reputation. v& G% J) H$ w3 ^
credibility- b1 f) y/ }6 e# ^3 }( U( F
;;评价可信度,每次交易后都需要更新! R/ s$ e, F) }$ k: v8 L
credibility-all
( w6 Y4 m3 M1 G& S;;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
) J# g! W- T- M- ]
' Z3 [& K6 [+ c+ D P) 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- b4 Z. V9 C$ n0 o8 ]$ ]% o5 E
credibility-one
6 o5 O7 j! ?! A$ T7 r7 b;;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: c! u$ @7 V2 Y/ e! B$ O R
global-proportion
, i" q! u2 `5 t1 p% ^1 [2 P7 b2 Zcustomer6 @+ d1 M' `0 A F, }
customer-no1 _0 w, X6 @4 S) d
trust-ok
$ z. E7 f' O/ s0 m8 x/ @' W) z/ Gtrade-record-one-len;;trade-record-one的长度' X- B6 m8 B/ U& P+ n& a8 }+ v, x
]! V! X; u; H5 @- ^ B
. |0 ^9 M' c0 x9 D;;setup procedure g. b8 d4 T: ]+ m
4 [+ C( S; m' d6 ^7 J
to setup+ j* o/ S- g/ Z6 d! G
" i4 P- p+ |7 Z8 bca
+ R. i; ?0 u; T7 @
* `% F2 F& f7 C) i- Iinitialize-settings6 |; E6 q: Z6 m6 U) ~
8 b- O& @" u7 _7 y; x9 L( Ucrt people [setup-turtles]! S- ~8 P0 g/ s
5 X# f; {" ~) z- \: }! m
reset-timer/ ~# V% c% M" h7 P- c; r
* {6 { l$ K8 E/ v, e# [; V5 ppoll-class
3 t( o J7 V5 x5 m' z
% X# e& p' O! t" w5 Tsetup-plots$ R" a# k! k0 q5 n2 W; V( O
2 t; M! Q- q A5 `7 T- x2 S8 l# E
do-plots2 ^* o* i' ^3 b1 ~0 F' G6 I8 N
end! t% \2 ]7 m/ H. H
9 B7 m% M0 A1 G4 }- z
to initialize-settings6 s) s2 T) H, a6 @! [3 M! D' X
9 ] o8 w6 O, I, U- X4 R5 Q( ^6 Jset global-reputation-list []$ t9 @0 Z, f+ Y8 p" r
" C5 y: d1 j+ s& Gset credibility-list n-values people [0.5]
4 ^# d) u' y: h1 H1 J8 |! a$ s& A4 k% v$ t2 y/ R
set honest-service 06 P( X! z" I# t0 k
* I* J- {# n ^: j0 ~* ~: I# Cset unhonest-service 0: ~4 @* {+ @4 s% E, G9 J$ k6 e* l
4 U& {! M3 ^! K. e- ^- h# F
set oscillation 01 ^2 H$ W1 |: W0 s3 r# O" ]
9 k5 L* l5 K9 n J' Hset rand-dynamic 0
# A9 `, Q% J+ {3 x' yend
9 a6 J$ i( l; q& w$ y% q7 w- A; N, q0 S" ~% Z
to setup-turtles - W7 L- o; k2 [0 O! n( Y) K1 W
set shape "person"6 b- y! ~- O3 Y& ]3 [. q# k( g
setxy random-xcor random-ycor1 y" ~6 o2 z6 B1 r% J3 k
set trade-record-one []1 m1 L( |0 @! f7 D' n4 e
+ z9 d( r' B# J) s( U" bset trade-record-all n-values people [(list (? + 1) 0 0)] ( [3 @ K# o, Y+ C
/ s3 l6 t/ Y2 B% p3 W& l( Sset trade-record-current []' M! c5 j+ c( J& o2 ]* z; W* {; X3 U
set credibility-receive []
+ ]4 Y+ X6 @ \/ t; E& sset local-reputation 0.5
) K( H7 Q0 C7 H A& Z. _! Sset neighbor-total 0
" [( g+ W9 N' y1 J- ]( q& A2 uset trade-times-total 0, W" `9 r- S! o+ b3 k$ Q( T( }, q
set trade-money-total 08 ^9 o& }' k2 G' D* @
set customer nobody8 H7 S& {0 p# u, s0 }$ ~3 I% {# N
set credibility-all n-values people [creat-credibility]/ R! V( w7 @! c( W2 A
set credibility n-values people [-1]
) w+ K7 G# z- {) \get-color8 e% s# P; _/ s' d8 m8 m" G$ `
' p/ [ } n9 ?, o: x8 p; send! j+ U! ?) B- D$ H
4 b; {5 E0 i& L" ]% S8 z. |
to-report creat-credibility
2 \2 L, Q# ? a3 Breport n-values people [0.5]; z% D/ O0 m2 e
end' H4 Y/ a$ g! ]
# x5 h0 w0 I6 b* l) E
to setup-plots2 P2 ?% ^4 h$ q, t
2 C4 f. m! F7 Q' Rset xmax 30
* j# X, ^4 {( `2 C
. I* M! i6 Y; d7 h' zset ymax 1.0+ {3 \9 f: _' k% h. L z. M
. {! x; D: Z( f; r
clear-all-plots
7 n& q; W" m! h; ]
& I9 v: R: f( Qsetup-plot1" j9 k S+ R7 J3 H5 _, k
! r c( a c% V5 }. s
setup-plot2
- H. w0 o. [0 I- O2 g1 L8 g) N9 d! _7 C+ j# @$ s& \* e
setup-plot3
6 O S6 z+ M, {: R, _- h1 i8 `end
/ C1 r' E/ E7 F1 o; a6 Y
$ s- p/ }! Q7 u;;run time procedures
7 G( C5 ]( t7 a3 M* P1 r
- [- t6 V; d; m! `+ Pto go9 V* O6 Y/ W5 n+ L9 t6 U
3 J' V2 | Z7 T f7 D2 G# [) u- o
ask turtles [do-business]
+ `" {8 V7 i! B1 O& Z* l+ c' dend
0 u% D& ?3 N2 C7 B' @4 T. P7 U( w8 t- [+ ?2 s1 \8 i
to do-business q! }4 T5 ^" l' b' O% Y6 _* w# S
7 q. e1 Z" L8 W( |& l% D
/ r, }! m) R6 r* c) [ xrt random 3602 w& v3 l& z1 N1 C. Z4 P! q( W
D- f8 w* f& M* F7 Ifd 1) Y# L' A+ O/ G6 ^: r
* h4 ]5 O) \1 {7 Xifelse(other turtles-here != nobody)[6 \* o9 k$ i. Z- `( ]
* e) @* N4 W m3 N2 |
set customer one-of other turtles-here
) u; \0 z+ K9 x# Z1 y
; J8 F1 ]( A: @" l$ o;; set [customer] of customer myself
2 M( h# M3 b! T: C1 a
( }1 C; h- v3 c9 V0 tset [trade-record-one] of self item (([who] of customer) - 1)' K! V4 k( u* E. e5 f# R. O4 k
[trade-record-all]of self" r% ]6 j% S- w0 B* C: c8 M
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
) ?/ P" Q y e6 a- q, R
+ d5 C. D8 S# n2 {: Dset [trade-record-one] of customer item (([who] of self) - 1)' x% H6 y/ N, B, I9 @5 U4 [
[trade-record-all]of customer9 I. u" X% O) c, D, ^& f0 i0 {# z. t
8 r+ e# Z! K! E, W: b
set [trade-record-one-len] of self length [trade-record-one] of self
" R. N! i# p3 B) l/ d- R% }; l
: Z' Z; z# [$ k+ E) h+ @set trade-record-current( list (timer) (random money-upper-limit))( {# k! w/ M1 A7 b: X/ m
" Q8 v$ F1 q1 D4 kask self [do-trust]# Q* R) Y" a" B( r" a' M; J# C
;;先求i对j的信任度
& L9 K# R9 L' ^
' M" V5 D3 O- }5 p8 |! K1 Lif ([trust-ok] of self)1 i4 B4 D/ Z! V# h. A8 b; x% h
;;根据i对j的信任度来决定是否与j进行交易[
& r; D' X3 D3 Xask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself, w( t3 V; x7 i
0 h2 V5 g& }) w9 q4 I
[! ~* P6 o/ t ?" _9 E5 U# }4 M
; \0 _" m) A% O, V s9 Y( K' t( odo-trade8 w* m* _5 G# @, e/ m" y7 b
! Y5 J+ _1 z5 e6 T2 |! q
update-credibility-ijl3 d' d6 b) D# `! T4 O+ I( V8 s
# S E' T' \. ]
update-credibility-list
! S! s8 {; X" v0 J4 s* r% {% P# k
8 I) U* m" {# i) _7 F5 M
$ V B+ o! k# Dupdate-global-reputation-list
* W" @& `2 ~! c, g
/ H1 }( |) v/ R: `% Q8 L" mpoll-class0 u7 L2 R- x- N; ]" D1 M. ?
( f) N, \1 W/ |, o4 U6 e. n) mget-color
5 c2 r& M2 Y3 |" k. G7 X0 [; c& ?: v+ }* M1 E
]]$ W# @$ U5 U3 A- ?
# w0 h' R3 y8 I* y;;如果所得的信任度满足条件,则进行交易
/ X) p& w2 x6 C" @7 y- y* n7 p) E8 ^# T) w! m O
[
5 G7 O* z1 ~' L0 v4 a8 L) h( y8 K$ r8 e
rt random 360: m+ g0 g) }0 p2 D
: ~5 F3 H7 ^- k8 _fd 1
! b: n6 r! b- C& R2 d
& Z, X/ m" G5 }0 S& C]
& l" x- ~, h2 A" G6 v- b$ q! H) U
& M ]1 |) k3 nend
, Q3 Z) B/ U; [: G, o4 Z$ V, U0 h; G& i& \0 y
to do-trust
1 W) s, k) b- }9 k0 eset trust-ok False- }& e6 N- R& |5 y
/ X6 `0 X" K/ v0 [$ x
- E: U9 \& m( clet max-trade-times 02 o0 R/ G) {5 Z5 R, M4 e
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ K2 x3 b& R- J# u
let max-trade-money 0
7 o' s5 h' e, K4 A. f1 V: Dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
: q, C/ \4 a5 o% i9 |1 B4 alet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))' `5 {! y8 i0 ]7 v& O+ {
. j3 g0 g& A6 `0 R9 L# X+ }0 \/ ?; D( A6 H
get-global-proportion
2 o' Q- r- `( w% g0 _; O! F; flet trust-value, M, @3 E% F+ k& K- N8 I
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
# E9 f B5 X E; M5 m2 Pif(trust-value > trade-trust-value)$ W* h3 [3 C; b- R& G C
[set trust-ok true]5 w3 e& J2 p- W/ E8 m4 z
end" C: L' M% V9 U) {
# A# L+ O5 l, \( {/ b, H; g0 g# D" ~: u
to get-global-proportion/ w6 @0 B5 @* |: N, i0 \
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)& A$ u: U6 T" B1 \7 E
[set global-proportion 0]& h8 B* a2 _* r3 s; {4 H
[let i 0
2 @* C! T7 Y) C; S2 @. Ilet sum-money 09 T. P) G: q. H, i$ @- s6 ^
while[ i < people]+ X( T$ A, M; p( C2 X
[
5 ~; T& ~7 Y d6 uif( length (item i
% f1 c& z: @5 S' h. g Q1 [. o/ b[trade-record-all] of customer) > 3 ): V3 g, ^! b- d" N
[
$ c! P+ c2 k) W# _ t' Q) a& \set sum-money (sum-money + item 2(item i [trade-record-all] of myself))4 ^- J/ Q5 j* o
]1 f& @# a1 q+ O/ m) g* k
]2 N, s6 ?( z/ N1 f* S0 h
let j 0. G* } p6 E! \9 b
let note 0- f& U( _! P/ H- ]7 m- n6 Z) R
while[ j < people]. L, H# t1 O5 z5 J& c
[
# I9 i! y% p$ m# i3 m0 Kif( length (item i
/ a1 F. g8 z% Y# L5 H+ X: B' f[trade-record-all] of customer) > 3 )* Y; q6 N, t! r, i6 u
[
; Z% ]1 V, Z4 \; P: d4 Mifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
+ N+ l' [$ M1 O5 ^ F8 O) }[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
& O9 {7 D9 `% D0 l# j5 p[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]" O) B+ z9 r% P3 _- v" N
]& @# m' H- o6 q$ J6 x7 ~3 s
]
* ]9 P0 s' e# x, eset global-proportion note
4 Z) p; y. h4 n' u/ g* q% c+ w]5 R- V, @* X- x0 Y+ E: q
end. V7 c" ?' k. h1 b/ U: }( n
8 h u& x$ a% h: u7 xto do-trade
. h, t( K2 _6 W( I, b;;这个过程实际上是给双方作出评价的过程! H; H. ]* t. ~" ~ g
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
. W" z# I3 R s6 o; G7 Y- V3 X* Sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
/ H5 z, F0 @6 y- F5 v8 X$ qset trade-record-current lput(timer) trade-record-current
) P3 {( g7 A, _9 a3 Y- Q3 E;;评价时间
, U: S4 y& g0 T0 ?ask myself [
1 C; P$ f, e' ^) aupdate-local-reputation
4 t! f4 G2 G+ `. u( S5 rset trade-record-current lput([local-reputation] of myself) trade-record-current
9 p: [: U" P; w; X) O; p% c" \]
3 x# N; X: c% _+ A9 `" X( Zset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' F6 K0 T/ U6 `% c) r5 k5 t/ N( G0 s;;将此次交易的记录加入到trade-record-one中
: @- s% ~6 W; f5 E* Vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)3 p' V! o" L: ^% ?: v9 h! B
let note (item 2 trade-record-current )
, |' r# i& k0 Y, aset trade-record-current
3 W0 ~: }6 j7 p5 @(replace-item 2 trade-record-current (item 3 trade-record-current))
" `# D3 P) a7 n8 fset trade-record-current# d7 a: |4 z$ A: U s* b i0 G
(replace-item 3 trade-record-current note)
- L" C9 }. N% s i+ n# Y$ F2 t+ G0 d8 o% P* E& N9 o( |
" _; u+ }, V! o- }# Fask customer [
Z5 k- E& G0 Rupdate-local-reputation4 Y# M: V, h# b7 k+ I
set trade-record-current) Z2 U @# h4 M+ y5 I
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( V& r5 Y; e" j7 m* ?
]6 }- C7 b b) K* B
6 Z2 r! \: \/ ?( i; Z
0 K) E4 ]; R/ w3 N$ k& I$ P, R) C' Hset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer5 L5 O, n j) B; r" o8 f
1 U; |# T S5 j: w G( f8 Z3 q9 }/ v+ @set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! E9 b2 C+ n3 d' r0 _;;将此次交易的记录加入到customer的trade-record-all中* [8 ]! I5 S8 ]+ ^% X7 t
end4 N3 x0 [" ]+ @7 e7 t" r+ H
: D! y+ I* J# d" i( Rto update-local-reputation
8 t- X6 v0 K; W0 i8 A; Z+ h+ Rset [trade-record-one-len] of myself length [trade-record-one] of myself( |* d* Z' f' ~7 I2 q
+ Q- A& q. u2 b! O
6 h3 @2 D$ f5 N q5 t. ^+ o
;;if [trade-record-one-len] of myself > 3
& g: B, i9 _8 {( oupdate-neighbor-total1 q! A/ \7 T7 Y5 O
;;更新邻居节点的数目,在此进行
( v3 J' f4 O5 W5 k2 [: y+ [let i 3
L3 z& L1 @' u2 l$ }1 R( Z% d6 q* x9 vlet sum-time 0
- }1 |0 d' |0 s) g* Q& L u+ ~while[i < [trade-record-one-len] of myself]: }" F; |& x- d5 v/ U) J
[
; I# d3 M {+ h8 h. a- Wset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! Q) h( }4 @7 Q. s- J' S/ R7 cset i9 _ g3 t' {0 r5 R
( i + 1)
0 X' H6 m& |/ n0 n$ z], f1 y; g' I: s( z' Y# S
let j 3
$ U$ s$ R3 w1 |4 V9 M4 |/ D) k1 ?let sum-money 07 q* o6 B( ]8 G3 B7 b. m0 s! n
while[j < [trade-record-one-len] of myself]- G' l$ O& ~5 q+ f1 E, r) m2 ~
[
* c8 o1 d+ ~' ^0 l# f. `set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)% z" O$ q0 o3 g" v; O" e+ O
set j* `* V: v& d( |/ N6 U# D
( j + 1)6 Y; h$ h% R; a j+ ~" T% [% Z9 O
]6 G6 R" s Q v- _6 c
let k 3
# x+ e% S/ E1 H7 S( Ilet power 0
/ u. _: v" ?- `) @/ q6 M! ulet local 0$ y+ c' l8 A d! ?$ [/ x
while [k <[trade-record-one-len] of myself]7 b9 w5 y8 a/ |% `; Q. F+ C
[6 s3 y1 g d/ w u# O
set 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) 2 r$ @3 g2 V% `% A ?4 A( R; w
set k (k + 1)# W5 @) m$ w+ r% |8 `
]) p: f; s& G5 N- d
set [local-reputation] of myself (local): n' U! m/ G, s! C3 w
end5 Z8 g8 C4 o) g, I
+ r* ?9 S" E( j) H4 L& \6 kto update-neighbor-total
+ H# w R- X- J7 k: ?- N! x
7 W6 O6 r# G' t! c& }0 T0 ~if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 ?7 f' Z4 r& Y/ F4 S
0 {2 P; }' L" s( z
5 l! ?( |+ K" m& q$ hend0 P% j8 Y7 T: o
0 ?' c$ X8 O" r& T' q& Vto update-credibility-ijl : s' V+ v8 t9 T+ K; o& W; F1 `; H j
0 u) B4 z' ?8 F8 y$ ~( a3 n
;;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。
' ]5 T: ], A& `7 P# p$ X Mlet l 0& \7 f& J9 l2 P$ Z7 B
while[ l < people ]9 c( b3 p$ D9 f
;;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
/ U' U& D& I$ ?& J% T' v* @+ Y1 I G[9 q$ i) @2 \* x
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)0 T% V* G2 b# Z$ @6 [" c
if (trade-record-one-j-l-len > 3)
9 W5 `8 }* h2 e[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-one4 b( H5 ]; x9 Q
let i 3
( m( w+ M; O9 ?$ {% A5 ylet sum-time 09 r6 ]' v4 e' F9 d9 S8 z' p- K, L6 B
while[i < trade-record-one-len]
: d0 t6 v* k7 g[4 ?- w' o) v V% o
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
0 Z' X% E; o9 L' m$ Yset i
1 @6 w8 m# N2 f( i + 1): i0 s8 }" N& ]" `9 X2 L
]: e5 X% Y9 ~6 |! t# b
let credibility-i-j-l 0# m3 }& N: o% b7 L" @
;;i评价(j对jl的评价)2 n6 R( A" P6 i2 l
let j 38 a& H3 p9 Q3 \. p) E4 L- d' g
let k 4
K, h# J; p7 S n# U; swhile[j < trade-record-one-len]
0 N& u. m3 {$ y% J4 O6 v' W, \[
( U3 k& s* {# J. q, ^. hwhile [((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 V! k1 N R" K4 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)
7 u5 I5 \' h. _ Vset j. I1 \, q$ q3 k4 n7 Y& V' Y$ A! K
( j + 1)
( H7 @7 u, k, E: t3 x1 u K7 ~]
0 p2 D2 D* g; q6 kset [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 ))
. N, D' ?1 e+ G" _. a# r) C6 V( X3 h* ?# V
6 `+ O. J9 ^9 n. G' elet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ N' W8 Z; n2 q- x2 ?) S: R;;及时更新i对l的评价质量的评价
$ N7 }1 K& M1 K x7 A" C6 Wset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]& K# i: Q Q; B, J% S
set l (l + 1)- u3 |; s$ F0 ] _) A% n6 R2 M
], K4 B# S8 b- U z
end" m: H) `2 J" B$ S/ p5 b" Q1 i6 a
0 ^) l3 G, z9 k' }0 w6 T# [
to update-credibility-list+ E4 o/ y' J3 H5 v* Y" L
let i 0- n" y, ?& z5 H- P4 T
while[i < people]6 Y. @/ K! [- B, y8 @( b
[8 Y- `6 b( O( S& p/ x' g8 V
let j 01 w2 q% J) ^( F
let note 0
) j- N$ |4 x0 v( D) a* O# g; rlet k 0 h( p* q- O8 q6 L
;;计作出过评价的邻居节点的数目
6 I. M" X, @, h# \" ]# jwhile[j < people]) A' _" e# c5 c. z7 S
[
; P% Y% ^% q0 O; [* Lif (item j( [credibility] of turtle (i + 1)) != -1)
& ]2 o5 J6 b( Q8 H. V0 ]2 H( x;;判断是否给本turtle的评价质量做出过评价的节点
( a2 }( W4 } I" Z( f% M[set note (note + item j ([credibility]of turtle (i + 1)))
2 S6 H7 T, h, Z4 c1 f8 T;;*(exp (-(people - 2)))/(people - 2))]
# S; X) J; r* K A8 g8 Qset k (k + 1)$ p ?4 s1 I: R4 K/ U- s! d
]+ [( V1 w6 @- [
set j (j + 1)
+ f% m8 }: O4 w9 C; @& d! r4 j]
/ G3 w# S- u9 [set note (note *(exp (- (1 / k)))/ k)
9 Z0 G# ~) ?5 Y& A( a2 w: |set credibility-list (replace-item i credibility-list note)" P y5 ?4 U# M! k( Y+ ^9 h
set i (i + 1)% Q7 ~2 `6 T8 N7 \1 Y5 _ Q
]7 L0 x+ Q# D9 Z3 t* ~
end2 v8 U$ z/ F9 S }0 ^
% n* L4 X2 a6 r( H8 H4 s
to update-global-reputation-list; x% V/ C& S3 V6 I, i
let j 0
/ S# Y* e& Q" S; O2 N twhile[j < people]7 W# p+ U1 N& R# Z' J2 n2 q
[
+ H$ V/ g. m* rlet new 06 Q$ }2 p4 J4 b) a
;;暂存新的一个全局声誉
+ M1 Q& a5 a4 M) ilet i 0
/ Q0 K) t8 v7 ?; Ylet sum-money 0
( K! ?1 ~' T' ~# T% Alet credibility-money 0; c1 N9 M2 t! G! R+ @ P
while [i < people]( T3 Y: O+ U# `4 q, ^* k; C
[
& O% c i' J" i( h4 Yset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 Y- \# _+ ]5 m5 _9 i9 F5 _set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))0 W5 }1 k" {9 s- B$ N; h0 U
set i (i + 1)9 A, ~+ i/ M$ y/ a: z" q
]% W; O/ s% ~+ N V! D3 y; u
let k 0
# s% W4 X) [' L$ z5 ]! Ilet new1 0% u( N( t- Q z+ ]
while [k < people]) N P( Z' _/ u3 N0 g4 g
[: p' V% A3 D1 r* P$ v9 l. h' |
set 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)' W4 M- v- ?3 r
set k (k + 1); m. O$ e0 z) x8 Z3 W
]
- d) d6 V- P- k, U1 qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) . o- N6 ~# z* Y1 B
set global-reputation-list (replace-item j global-reputation-list new)6 f2 I5 o. ]: @1 h0 y
set j (j + 1)
- u. ~- q6 y: r4 d% W: |- T, Q]
* O5 H; ]( ~4 x7 Iend5 Z0 |, P& t/ e# {9 {7 f; J
S, M! G# r; p
. j, _4 d+ S$ H9 r+ d7 j. s
6 P0 {1 k W9 e+ j/ l* ?: vto get-color; v4 f8 r0 [1 j0 C7 `3 i
+ s+ x2 t, z l% v. R, e1 j8 b Q/ K
set color blue
- M% N, Y( R( ]; d! Qend
6 K4 A' G4 h, M8 k% l% w
$ k8 v- q3 O8 `1 b2 ^to poll-class
0 C$ F) |1 a, C8 |& H0 c0 X+ |5 a0 ^6 Yend# x( c, N+ l% E- Y1 V0 B
4 f8 L" h5 t! J0 t+ O8 \to setup-plot1% }3 w* m! q& M! u* X8 j5 }" Q( y
3 O, b$ d0 [$ @; A. p' R' {' vset-current-plot "Trends-of-Local-reputation"! [0 x% G. B2 W" N& `
8 s/ `( s& g! iset-plot-x-range 0 xmax
+ [2 o. N( E1 w. H+ d2 f- b
3 C/ O) M0 }: c' F3 Bset-plot-y-range 0.0 ymax
! V* n- |8 j* ^9 n: C$ W0 Uend9 v1 U' [( z; Z/ P d3 Z
: Q6 }# W9 ~+ J: r
to setup-plot2" J& F( f! z5 p7 h' _! W
. p3 @4 R, N3 n a% d
set-current-plot "Trends-of-global-reputation". E: \8 V8 K0 |3 P( [' |
0 B2 B, d& Q$ P/ W, e; _; F2 {& hset-plot-x-range 0 xmax: b4 @0 v L; [. P: ?
- Q/ A& P7 y8 o7 q7 Mset-plot-y-range 0.0 ymax
3 o, M* l$ e8 |- X: b( o0 @ ~/ tend I" W' N+ q$ s' U# q' D
5 ^% H/ \0 N9 L8 fto setup-plot3* m' k3 k, g- d
, B* {$ S# d& }+ _+ x2 k% i0 o+ k: Tset-current-plot "Trends-of-credibility"9 r* W+ o5 s2 |0 f+ C% |% G
6 c# k7 @6 o- s# |
set-plot-x-range 0 xmax
- o+ }3 m; h7 d2 L6 K$ v1 R4 b3 @! J7 k% @2 W3 ]" j
set-plot-y-range 0.0 ymax
2 q& z8 B; y$ @8 [8 Aend
6 [) F4 r0 n2 z7 l. A
4 o' C9 u% _1 }to do-plots
- t5 P4 x1 J& w4 kset-current-plot "Trends-of-Local-reputation": z6 }" U; V$ G$ M
set-current-plot-pen "Honest service"* z" T0 A. g4 x
end
. |4 s6 W! S9 L' f# ]/ l
# s( B, i6 ]$ w( L( _2 I% D[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|