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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# Z/ [% |% ?) H1 y9 x
globals[6 f, e/ O+ p, `' Y) {5 w9 b: I
xmax+ T1 j- C3 D2 v" N8 d* L' m( ]' t
ymax
% g; i' r: R$ x" H5 y- Dglobal-reputation-list8 B$ B- f+ u; I0 L4 I, a7 V
: @( l+ A$ x8 X2 \2 B& z7 P `7 k9 z;;每一个turtle的全局声誉都存在此LIST中
' E& V' z/ {$ v8 Ccredibility-list
# m! }6 B7 ^0 w;;每一个turtle的评价可信度
* g9 e+ R9 T/ H/ n0 J1 P& K. lhonest-service
- E- Y. v* V! T* _0 vunhonest-service
4 [# m ?3 V# B; e/ L% {oscillation
5 X9 L; S( {* Srand-dynamic) J/ T2 O% y3 o
]3 n+ W" G _* w6 a9 H2 a
: Q# P3 J8 n- G6 ~% `turtles-own[+ u1 F" g2 |1 m7 G1 s2 \& e! d! _2 h
trade-record-all) k! e2 r7 G4 F* O
;;a list of lists,由trade-record-one组成
) t9 P6 m" j$ itrade-record-one$ Q' D' G* l- v# V# E
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录& m6 ^2 \8 A9 y
) n+ {* e2 W3 V: f;;[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]]% a- M/ E. @; {
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]
: L8 L4 k% I$ R# ~credibility-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list5 Q: k, R g9 h' d% A p" ]
neighbor-total
G c/ R, M& f# o4 }/ g& t* |;;记录该turtle的邻居节点的数目/ Y! X0 l" p- M* d5 _
trade-time! Z3 {8 h6 g& ^2 C" ]/ w4 \# w) O) F
;;当前发生交易的turtle的交易时间* r3 r( ]8 `0 u. i
appraise-give, g5 m, _7 H* t& {* ~8 ?4 D/ [/ O
;;当前发生交易时给出的评价
]: T; r5 _2 J& n, ~& |) Vappraise-receive
! d( }) H, H. K- F;;当前发生交易时收到的评价' m, ^! }+ p j
appraise-time; Q+ t4 D5 n3 F/ t9 T
;;当前发生交易时的评价时间6 A: c% w0 h+ v! c, y& k, a k
local-reputation-now;;此次交易后相对于对方turtle的局部声誉8 p( Y+ v3 |0 `, t
trade-times-total1 P5 s% o+ S3 \, |9 c
;;与当前turtle的交易总次数
6 i# ]( n$ n( i( ?trade-money-total5 |* j3 ]3 L7 }- S) N, i+ N. ^
;;与当前turtle的交易总金额
3 P t9 W4 w8 z! T: Jlocal-reputation6 k, ?% p/ k( c4 ^5 V( f% z
global-reputation
/ F# u% p- d* S) a* y7 u9 X7 ]credibility, c) G0 P5 e" u l; m3 L
;;评价可信度,每次交易后都需要更新& p/ o% l; s: O8 m3 Z6 B: H
credibility-all4 \8 ]) ?9 n9 s# p. |8 ]
;;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
) d5 w/ ]4 W) E8 D( ?3 ~& `: a' A3 a& S9 B8 Z
;;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
# B# T+ V6 X: K4 kcredibility-one
* g" s- r8 @) \" d* C' ]. q0 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0 i0 }- v, B8 D
global-proportion
2 o) t- J3 ^+ j! F1 B3 H& Icustomer
0 [0 @0 G8 A; e Y$ Ocustomer-no
7 `, K, x) Q% btrust-ok
8 n) C2 |+ d- g; M" N9 qtrade-record-one-len;;trade-record-one的长度8 m u0 w- z; L( h
]
7 W2 U4 B0 h+ @- P1 F' k
: g- O5 A6 G9 @; ~8 d& u;;setup procedure1 N' C& t- P! x5 \: |
6 h c1 @/ R3 n7 B! U
to setup/ {9 H4 |+ A/ g% _- G |: a
- N! ?% s) a) E, s$ y. [! Fca
+ A+ m7 h$ S& M' B- `2 F5 p; E% F& X# z+ w" c
initialize-settings3 T$ x. g' @1 S2 Q# E3 P! f1 O
* S! g3 `' ^$ q5 w4 N0 P& X6 bcrt people [setup-turtles]
" s$ D2 l- Y: j0 B- r6 w! {
, b. M. q9 ?% ^1 m' y: [) qreset-timer
+ S# u7 ]# B% H2 z7 z) D
# ^7 F! |" m3 t$ h# R3 ^poll-class
8 d1 J# x1 j/ T) j3 c. i1 O
* w2 [' ^: O% _; A% X, ?setup-plots
: B4 N! F9 x. R* P: w. x$ i; V4 e! c. o
do-plots
# [( w0 Q; m9 z4 @# ~7 g) S8 O1 Iend
+ f( W: w+ ~1 S
6 { T M" J/ ?to initialize-settings
' b4 m. N, L& R. u9 J
, Z- Q, `& q1 ? D1 l9 H" Yset global-reputation-list []- H1 n% y8 g$ G! Z* Z% P$ C
& f$ \4 U4 L- h, k- z: l! w
set credibility-list n-values people [0.5]- e4 x, L' l, v2 K2 L5 C
# y% p: k x; M# g' Fset honest-service 0. e2 p, k: E- T# q& Y3 j) e
* ~- N3 T$ G3 X, x* r3 G; D( z
set unhonest-service 00 T3 H0 o$ i$ f* W
2 f5 u' M9 }8 w1 w" _
set oscillation 0
: d1 H; q! W9 H; F' K8 J, ~" Q# P0 y+ b) H
set rand-dynamic 0
/ T a4 |! j" \& K, v1 Z" Wend" [2 W/ P! i- ?2 m
) j1 D& K4 [/ [# R% c2 R7 j2 t
to setup-turtles
: R' |+ S# z8 z$ Xset shape "person"
- M: P1 I0 a4 |" @% L# bsetxy random-xcor random-ycor- J9 B5 I4 @0 u& G, b
set trade-record-one []4 L6 R: i' n" r
4 j4 t9 u) k0 W" mset trade-record-all n-values people [(list (? + 1) 0 0)]
5 n! m/ y4 K6 V8 R7 K/ _" V0 z I' t7 ^
set trade-record-current []3 s8 A0 q' z! `6 K
set credibility-receive []
, {' U* C: W0 q! @$ N8 {2 Xset local-reputation 0.5
& L/ R1 P! B$ T! `4 rset neighbor-total 08 B& d" O9 h* A$ c4 \5 Z# B
set trade-times-total 0% t% g [. y8 w+ A
set trade-money-total 0
/ i& b& {8 F6 w( R# C! Bset customer nobody: X \# i) b( M+ q' I$ L. S" ~% K
set credibility-all n-values people [creat-credibility]6 b9 |& `, T9 z- p1 g
set credibility n-values people [-1]
; J/ B0 ]% I! x9 R" F* z, zget-color
( s( O: V9 A2 C$ T- k \; M/ M5 m+ E( f4 `5 N% \% Z
end$ P% @% E' N/ Q4 E* S* L4 T
, d8 q% L8 f- M' X; i, j
to-report creat-credibility
# r6 |6 g( o% D+ y8 _: nreport n-values people [0.5]
" Z: ~/ k, W) o% lend
0 ~* Z( v" y3 ]+ b2 `3 h: m2 s; v- |5 W$ M
to setup-plots- R2 b% _. d1 U+ W: O* _
+ w4 y- `8 j. P/ U$ gset xmax 30
; L6 y4 }' a1 o5 E: U$ D
- F _! T% j0 m! s$ [8 T1 e" {3 Aset ymax 1.0
( g, a k( Q/ g2 G) [, d# {* h C. n1 H
clear-all-plots
, B o- E' {/ w/ _. x: K: S# C0 J( A( }* `; R& [9 e
setup-plot1" F7 h/ B1 u1 l9 Q1 O: d* x0 \* B
9 g }3 Z1 s; I! z- m1 Esetup-plot2
E r: X( v1 T M' `* W8 _
6 G9 v1 r& h Lsetup-plot3
1 a* {, m) u; C9 wend' L1 r0 F' r M) D* l
8 o8 E' S' B( S# L, ~ A
;;run time procedures6 J% ?- d3 V, l, R4 R
) k( L/ J1 o/ yto go
7 O W4 ?) S) G, E4 O5 V7 h8 M8 O2 [3 \9 u" [# v% ^
ask turtles [do-business]
. {* O4 \+ z! {7 j/ b8 mend+ q) g5 i1 ^6 x
( W. ]7 E% {3 U8 P. u( vto do-business . _# ~, s1 B. L. s' r i* L
6 L/ {" t i( g" |/ V1 Q
0 {% o6 K9 ]7 V& j, Wrt random 360
3 I/ j0 _, N, b# D$ d7 k
9 n' X) o/ p3 _ ?& `8 x7 h& tfd 1
m( C3 x1 H$ y0 D* o
i( R6 O) _( Q+ W Cifelse(other turtles-here != nobody)[
$ \7 q9 A3 X% p+ u5 j
& K. y% L) w! }( n: z9 dset customer one-of other turtles-here q( s. b, L, l2 F& ], p
7 w3 L' O* O; b' L4 ]
;; set [customer] of customer myself
$ {. U8 r( X- P% k8 H5 N2 A7 z+ _$ L: d. U
set [trade-record-one] of self item (([who] of customer) - 1)
( `; V6 c, n# d) {+ v) J; I[trade-record-all]of self& d( Y2 e- \1 ?+ {8 m: s/ H7 l9 p3 `
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
2 N1 ^$ j9 D3 W) F% w# c
' H; y' @. w& C5 `& u9 i: Fset [trade-record-one] of customer item (([who] of self) - 1)
1 [) }2 b. s+ I, {[trade-record-all]of customer/ i i0 g4 X0 Z7 D% B
1 R# o9 \& [( [8 X' u$ {2 z4 c) A2 s/ Rset [trade-record-one-len] of self length [trade-record-one] of self" c1 q5 w0 \" }4 B) q# J, M% M0 Z
) m$ R* z: M/ [
set trade-record-current( list (timer) (random money-upper-limit))9 K' ?* W: x4 y% A, m0 Q5 P7 C' a
* `# D i5 m6 q- Z! Gask self [do-trust]1 T# Q3 c8 d4 p1 {) B! {
;;先求i对j的信任度
5 |" D! r; S) T1 Z7 z& P/ {0 f6 C$ e6 Q d7 \0 g5 P. l# ]
if ([trust-ok] of self)& n0 f& l5 I$ Q1 J: p
;;根据i对j的信任度来决定是否与j进行交易[( R* p R# `1 X. `3 Y& y
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself' B3 U. n, u4 c ^; ], {
6 w7 J" G& N" P( {
[% N- g6 M2 o: W- o
& V8 [; `$ L: N% D. D* p1 h
do-trade
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W7 d" f# ^% g) v- y7 vupdate-credibility-ijl9 B2 U' G; ]3 e2 F' Y
+ H) P. d: ~( S( F% Wupdate-credibility-list' a* w+ b9 ~) p* i8 r0 h c
( f+ ` Z9 Z8 ~( \( q2 a& ^6 j% G: v9 B
update-global-reputation-list
/ \1 _) `% C8 @: q' _! g$ _" \: K6 v/ t; i/ C/ ^8 e/ e
poll-class
6 e# `; @. d7 D W% u' C! a" L4 Z8 y: z! s+ x) l
get-color s' e7 e/ x q; w4 u
4 Z) d& C& ~. c1 { K- q]]
/ B- l1 g7 ]2 P' a3 M9 n5 N/ |2 W6 J
;;如果所得的信任度满足条件,则进行交易/ d4 S4 q* I+ e5 }( f" M+ Y
3 y8 j1 K ?4 H[! C: ^! N& m# b( b
* R! Z& G0 A3 I" Z* Rrt random 360
6 b5 S0 A$ P/ P9 C+ Y5 |6 k3 w. D5 q0 z& U5 R$ m$ U' M4 P6 O
fd 1
- N+ i% V; O3 l" e! E* Y- k1 q3 @/ ]: m, B
]
3 M6 _" H8 U8 t, q+ b- f# I: l; q6 X7 r0 F
end- l# S# [8 j$ k4 \) i4 s
3 X; |0 H( L/ Z1 bto do-trust
% n) Y) G9 Q* s6 X" o4 G; C! E+ vset trust-ok False# k% r5 }$ D C. a! g
1 ~1 B# Y! P5 l/ z" m; P3 [# U$ B
3 @* v' }- @" c" f, l; X$ | q8 h' Klet max-trade-times 0) H. J. a; U( F' l9 ?5 G$ R' O; W
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
1 ^5 a! Y: p) s+ Q! i* tlet max-trade-money 0' N* E0 d4 x& ~9 I* w* U, h
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]' a1 l1 \1 ?: r: |5 ~! s
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 s2 c% R5 A4 k9 \6 y
: ^, p5 `/ n3 c! h5 w/ Y
3 \& \$ N5 M ^& _get-global-proportion
6 I& ~# a8 ^& L) r: Clet trust-value4 S6 J* F/ s* x& ~; @
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)
5 p) ~% g1 D( d2 e) Y Z" b7 i* B/ c$ Gif(trust-value > trade-trust-value)1 e3 o* R) l+ |' K
[set trust-ok true]
/ y: I4 } {2 f4 jend) c7 Q9 e) @& O* k3 t) x$ u! \
1 e; p) }1 ]9 `( |, A: \% r- w+ m
to get-global-proportion; c! P. s: G; o2 \0 b% _
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 B6 f2 h4 y, H9 Z& W
[set global-proportion 0]
7 u' j9 x( {& S6 a2 N, ~[let i 0- V& h9 w6 X& N9 s5 n
let sum-money 0
; B! s. ?; v' k! ~6 Owhile[ i < people]1 V' {' o1 ~3 d! Q, q6 k
[
2 C9 j' g( q1 W8 P: K3 z! v9 Zif( length (item i
. U, X, L4 j: E[trade-record-all] of customer) > 3 )
2 L# p1 F7 v9 B! w' U# p+ H[) ]* t% C" P) N+ N2 X# V! T
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))5 Z( i; R7 ?: `1 w
], t" W; w4 n5 k# w
], q* h% l+ I! M6 m0 j
let j 0+ X( b+ Q) Q% A+ e/ j+ ~
let note 0- _1 a, I) s8 U5 B/ |5 [0 W
while[ j < people]: @: s/ r, Y& k4 h; D+ L' u' R( Z# A
[
9 g6 B& T- p' `4 R) _if( length (item i
2 ~/ y, {: ?7 J. a- A- \7 ^[trade-record-all] of customer) > 3 )
5 O6 f; T3 O+ w6 N" P[
5 b+ h: v# ], x: qifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)6 L* R& a" g! _1 k4 k3 u
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
0 i' x/ i; j0 z! K( p' Y, a. r[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]0 c; T$ C% {6 | G4 U* Y2 q* b
]
1 E+ T8 y2 v1 I# p) }]7 J2 T0 \3 ]. F& m% Q7 a
set global-proportion note
6 O5 ~* p& m. g]3 c) q- D. M1 g6 ?* c( O) w
end
8 m4 Q5 y4 C0 e3 }3 A' U0 q9 M" W5 |3 T- o- C) P! S# n9 l
to do-trade
; X% W- S1 _5 `0 q3 H- s% m4 s;;这个过程实际上是给双方作出评价的过程* p- S3 b: P# G' T! W4 R% O3 |8 R
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
1 b9 x' q5 ?* ?+ }set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价' E& E5 a, ?6 o" B- _( A
set trade-record-current lput(timer) trade-record-current
* q/ G y! j4 v( d- d;;评价时间
6 }' n0 L3 u: G3 B+ x; K2 M4 fask myself [
9 n# L+ w3 f2 T2 m/ qupdate-local-reputation
* {5 }# b! E# z+ f7 a) pset trade-record-current lput([local-reputation] of myself) trade-record-current5 ]& F" t' I% X+ a) b
]
9 n+ i2 t* g4 C; i8 k- V' eset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 a1 O8 U, \" B! W4 m) {' _;;将此次交易的记录加入到trade-record-one中
% b0 g( O: z, v; r+ X5 j! Nset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)0 E" g8 O. }6 h, A
let note (item 2 trade-record-current )
- t( V$ r$ L) T8 i jset trade-record-current
2 o/ e: ]1 p: k& ^6 K" w) u: n(replace-item 2 trade-record-current (item 3 trade-record-current)). ^7 s: {* }# @3 B" b, b
set trade-record-current" N6 D& r" [! w! }+ a
(replace-item 3 trade-record-current note)$ S9 l! T: P4 D4 e! d( c9 |6 H& G
6 i' o6 l: r4 i. {
5 j( B, E* G- C+ F2 e
ask customer [
7 Q3 H7 \; g3 q4 W% E8 jupdate-local-reputation8 b" u" s& H! |: D8 `! U% y3 O3 X
set trade-record-current" Y7 S+ H; Z' V% y7 y9 n6 u/ _( D! p
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ) j1 G* ]7 F% ?5 g
]
" C% p& _; w4 T' k/ [( \! u
) x( ?% h! n4 i7 u2 @
$ A: O" B( U1 ^) r) N& _3 M/ rset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
. ~8 {% }* V$ D# ^- n! p, [7 F( ]7 @3 v2 j/ E+ B* m) R
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))+ R3 F! N5 H" [( L( r5 S4 t: Y J
;;将此次交易的记录加入到customer的trade-record-all中0 ^1 j1 J/ {* T& s; [
end
% w' L. o; K) Z5 p& S8 B
% |/ @: `* n: r; p: nto update-local-reputation; T9 Y. L7 S/ S: W2 r
set [trade-record-one-len] of myself length [trade-record-one] of myself A+ o, D0 W+ e1 G9 }- C
4 e* |0 M3 k0 G. B2 }
. U8 z0 m! k Y3 _( r/ c' L8 y;;if [trade-record-one-len] of myself > 3
/ E# o. N9 k# h/ w) Y3 A# F2 `update-neighbor-total7 N7 G; K x3 L6 e( ]' g1 h) E
;;更新邻居节点的数目,在此进行* \ |9 f+ E% Z) |1 z. a3 ?5 z0 @
let i 3
& ~2 i; Q/ b0 p; W/ T6 plet sum-time 0$ _$ `9 d% ~* z5 O& u- {4 ]$ u
while[i < [trade-record-one-len] of myself]
. \5 H4 g ^9 l. D0 C$ X( s[
r. D2 `) }4 c. Z$ c1 Y1 x( ?1 p0 _set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
8 Y; V& M1 m. v. T4 Dset i
9 r- b$ p8 Q5 i( i + 1), ?% d N4 v3 K3 j( T$ p/ V+ b
]- Z) i: X$ C1 i) N( M! O) W" l
let j 3
9 W0 P" N' J6 g0 I0 ?" I3 Hlet sum-money 0
! z% W. @+ D1 Q& ^while[j < [trade-record-one-len] of myself]$ s% r) U$ b/ @0 E: D" S! A
[
* z# L3 V, c6 V: u- vset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
8 J7 I' l! W! |$ d$ Wset j
9 Z# [8 @7 P# O, t0 L$ P( j + 1)
& y+ ]# L0 n8 B3 t z]
$ O* s0 o2 o7 s8 n; i. a3 H, x( `let k 35 q }! L6 a9 {9 m- i
let power 0. y7 a1 A0 O5 e- D
let local 06 w7 c7 x# ]+ d; ~5 D2 n9 B9 B8 ^
while [k <[trade-record-one-len] of myself]( \$ }& m& G6 e/ c7 e: c
[& E" i3 h+ t. s
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)
) T& {7 P2 f% Aset k (k + 1)) F& m7 P! [7 u% H
]
! _5 \+ d, k5 K4 i9 Xset [local-reputation] of myself (local)
" z/ W1 f+ y* h- Qend
7 z2 e% }1 ^/ F; l" Z' P! c4 \: B! Y# y' M& D F( A8 P9 h: w1 r, }4 Z
to update-neighbor-total
# k. i. j' d2 I; p# {1 e6 R1 }+ g( I3 U
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
* p, `6 P0 P" }
2 E6 l; |& [9 i# l! y% N
1 }4 g4 e! X) \+ |/ W) Nend" [2 L1 w0 y& H) y( T4 Q0 ]6 E' w& z+ H& q2 l
% h$ F) C. a2 C, r8 U9 zto update-credibility-ijl . t) z' l7 N* l! H, k* d% h
: d/ l {5 u6 @" U* t;;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。' K. b" h/ F! b, X/ P8 K# i: N; e
let l 0
4 s! N2 \ j7 u2 q. t& ]. {while[ l < people ]! Z9 z" b' @7 w) H0 ?+ W" R
;;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 m1 L0 {( q1 l
[ i& g, R- m5 m7 t" M( Y
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 Y/ T- h% o6 m1 \- n9 l fif (trade-record-one-j-l-len > 3)
1 k2 `8 o6 {! P1 R" W! Q& o2 d- J5 O) p9 l[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# w1 E" N% [0 p. m. u8 v4 ?
let i 3
% \& m. B6 X# R& [let sum-time 0
; w# V6 ]9 x& R8 I. Z$ a7 W, {while[i < trade-record-one-len]
2 P$ j8 E/ i' I[
5 G4 A0 t' L2 m5 x6 J) Cset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )# G4 T) s, w" l9 Q2 U
set i
% ?4 O9 G7 M$ r7 H( i + 1)
% O' M) t+ j. F0 O/ A+ e' []/ ?1 [2 l9 n3 i4 }3 A+ f u2 U( H4 P
let credibility-i-j-l 0
: F$ G* Z% ^. r0 G;;i评价(j对jl的评价)0 _5 J" K# U" P+ L7 y
let j 33 i% R Z" }: p
let k 4( r# T6 t% E2 j! T0 D( y2 g7 T
while[j < trade-record-one-len]
! }2 x- a9 }( ][
8 g( M1 b7 a4 Mwhile [((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- h; T$ K( F* y5 o! V3 L, `/ S
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)) g( X& Y% C4 y- C4 Q1 O+ `
set j5 R- P# e L6 ?# m
( j + 1)7 r/ a( ~6 b# v9 G) v7 m* D
]& J5 I- P F9 G2 j$ q
set [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 ))+ ?7 L) L/ p3 F
: z4 m" y0 }$ {7 _" u( n
4 I( k' R& h9 Tlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! L5 d+ F2 a6 L0 J
;;及时更新i对l的评价质量的评价0 |% g" [/ V( f- g8 } P# o" K
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
( H0 x, V; N# d* ^' w- C+ Hset l (l + 1)
" @& ^ b0 [4 _; W* Y]9 Q5 s+ D# ~" u6 x' a7 C5 f+ S2 a
end3 d* U7 X/ l" U8 m2 o/ k
a; X' E) W( |6 j; {$ t) mto update-credibility-list7 x8 \ t0 f4 Y7 f" N: ~+ z, v
let i 0
5 L; P3 C) F4 j5 P) O/ Swhile[i < people]1 ^4 G6 G: b6 E# ?# G+ n
[
3 N4 S! J' Y3 ylet j 0
; d) Y$ }* A# h% f. r% W( Xlet note 0
* S5 U9 @8 j6 M8 G8 e# mlet k 05 |- n% R4 E8 E* l; [: c0 \- g
;;计作出过评价的邻居节点的数目
$ }' f; f9 k1 t3 P' v# Fwhile[j < people]
' X1 g" m) u2 B8 f ?* a/ g[% N- I! S& B0 u% n; j9 D
if (item j( [credibility] of turtle (i + 1)) != -1)
p9 V4 l* p7 ^; B;;判断是否给本turtle的评价质量做出过评价的节点
1 [- @& I5 Z* {; J8 l[set note (note + item j ([credibility]of turtle (i + 1)))
* n& I7 W/ u' s% H5 F;;*(exp (-(people - 2)))/(people - 2))]
7 ?, d- O m) xset k (k + 1)7 L' H1 A9 t9 b; v J( \3 D
]2 }; O9 R: M, }: ^* e2 x
set j (j + 1)
0 |! L2 s o+ Q" H7 M]
+ @8 _( X* l( Aset note (note *(exp (- (1 / k)))/ k)
4 m: {4 a7 O( x8 l- L( yset credibility-list (replace-item i credibility-list note)
$ Q7 A& @- }2 [3 J7 jset i (i + 1)
- }$ x0 R) }3 o, e# l]
- }9 V: L9 K2 R1 Y; D# j" U# aend
3 P4 R3 Q) ], R; o
A7 p: Y3 o2 G* b" X) xto update-global-reputation-list
$ d7 d" G, O$ `' R A( Glet j 0
6 b( l7 N+ x8 Z. _while[j < people]/ y: g! r4 G5 S; z; W
[- i& H" r' ]# C4 V4 n
let new 0
/ T9 l' f6 N$ F0 D, Z# Q! w;;暂存新的一个全局声誉% R6 C4 I6 ?) F+ p, i' w5 o
let i 0
/ A8 x- D% s4 \" [3 `( ~ A5 blet sum-money 0
; k3 Z3 {8 q, Y, k' ~/ s8 }$ dlet credibility-money 0
; d a0 k: J( X1 kwhile [i < people]
+ y% s8 z' J4 l0 a[
2 R% Y+ A6 }! ` h8 T% r0 xset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
S, `8 @4 L4 E6 z P" [set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
1 q2 K" L: n, T$ h" [( aset i (i + 1)
3 S* b: c0 Q4 J; v9 O: Y% A9 V7 N" q]
, S% s: r* D2 wlet k 0
. n* r3 b) Q. n9 {5 r% ~9 vlet new1 0! O# {' q! D+ R, c. V# V- E
while [k < people] I( o6 P+ F6 u% L& e6 G
[3 L1 k9 L1 R4 c- X! M8 P7 r/ p
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)
& f6 \- g8 q7 t* X$ K+ }7 E5 _set k (k + 1)
9 @, c7 K: ]- p: v2 o]
0 `+ G3 F6 g7 l# B+ hset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) " H) L" P; {/ D$ F3 H
set global-reputation-list (replace-item j global-reputation-list new)
: p5 v/ m. P) K# W- G! M: m9 P2 w6 }set j (j + 1)
S" k! U# _' A( u]: Y: k/ P/ V$ [
end8 H1 {" ]1 i; G6 ^
& N F# O/ I& E) k* T! } E
3 F$ h9 K# I4 u4 m" _9 J, M# }+ L7 z
to get-color: p" c, b7 N7 O
, R# A- [- U+ V# Oset color blue( K' t3 e8 O8 t9 l
end
, \( q1 J$ g) v) x3 d( ]/ J9 R/ Q9 } ?, ^/ N
to poll-class0 O, _( F2 i' \: W, Q* C
end
6 n& V6 ^9 t7 q5 L( v. h
_4 h/ ]% o) u* \0 r* vto setup-plot1' J' z5 V; l5 g* u; w
; T( X' q% o. q7 e% F+ [2 s
set-current-plot "Trends-of-Local-reputation"
: i4 F& r$ Z( s$ h2 ?, x" ~! x+ I
. ]) O! t( Z: i- Q V, Hset-plot-x-range 0 xmax6 R7 z- S$ t( }
. A2 v' u2 |8 u7 | e9 oset-plot-y-range 0.0 ymax
1 o) h, o: F8 d0 a% f, Aend
1 `' A1 |7 f9 _( ?) W4 s' a+ z1 r+ R; `; G
to setup-plot2
7 i* L4 q" Q; ~ t3 D( B
0 W* E# e: l. q' C5 E# D) c9 Zset-current-plot "Trends-of-global-reputation"% v3 q4 J* P% u
/ r$ H% U. F3 y. H; ~3 w) S
set-plot-x-range 0 xmax
9 p* X# F+ S }6 d+ }
- u) U+ P" h- }7 r, Aset-plot-y-range 0.0 ymax. f) L& y# z" w9 Y# L
end
+ Q7 }, b# |! @1 L' _/ i. z% V0 j* b) Z' v6 H7 d
to setup-plot3; U B# ]- b4 M. e0 i* O
# ~$ w. e+ P' k) \, T0 bset-current-plot "Trends-of-credibility"
: u1 a4 i5 }1 v( T8 }3 z c3 O% G
: g4 a$ ~4 s* e$ c' Vset-plot-x-range 0 xmax
* ^+ p6 k6 q4 q% I# r( E, y' Y$ U5 R* F% n( o3 o( Q
set-plot-y-range 0.0 ymax
6 ]# C) q3 l: A1 T' hend# V& k- H5 l) @, r6 y
- R: U/ N: k. D6 X( b' t2 b3 F) W7 Eto do-plots) i0 u; G; E( J5 U2 N
set-current-plot "Trends-of-Local-reputation"# \ M: }' ]. |
set-current-plot-pen "Honest service"
* ~) l- U) O3 hend# e$ F. T+ @' T' f% F" H$ J/ N. C6 Y
; _) n3 I e) F
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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