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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
7 z% x" h6 E/ {5 _* Y0 ^globals[
4 T0 o% _ p' W. e) Z0 Q5 E+ Gxmax
% Y; [- w. K' dymax
( j4 C1 y9 J5 Oglobal-reputation-list8 y- t5 F" { O: |
; y$ b2 P% ], y- j/ v;;每一个turtle的全局声誉都存在此LIST中
0 J. a: I. V# t j3 acredibility-list
! J( a; b% B7 h9 x' }* B; v4 F( _;;每一个turtle的评价可信度
$ B y$ R& {9 a! Zhonest-service2 o! S/ h% n% o. G
unhonest-service
3 q; o8 _1 c2 D* Q2 a; s1 qoscillation
2 E1 v4 E. J1 ?: z- urand-dynamic
% ` T( |/ ~& P8 k. Y8 p* L8 Y0 Q]
% ]4 D2 P; P& }; B! g' o B
( W, f- r1 S- |& g$ U$ Hturtles-own[
* y% f# R, @+ m- ~' Dtrade-record-all- B& K. R H4 q9 _; |
;;a list of lists,由trade-record-one组成 w- Y- ^; E! x5 ]1 M8 c2 O, U
trade-record-one
0 w) z! Q. {6 a$ ^5 k' [" D% Z' b2 d! 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- H! p+ k# c% i& R- t6 R4 d! `
5 ]6 G3 e1 N( U; I8 B
;;[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]]0 n6 G! B1 y% L6 v' ?9 n- 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]: _4 F$ h7 `% Z, f) S" ]9 n
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list
; i' U7 s7 e. t; U% j8 cneighbor-total
% c# m1 l$ w; X; n;;记录该turtle的邻居节点的数目
: \( V3 A, c# j& y2 x2 [9 A2 ytrade-time
$ A1 z& o2 z7 X;;当前发生交易的turtle的交易时间
4 K3 i. `! g$ b3 H/ [. ?appraise-give
( a+ p8 C; b1 l$ h U2 W0 F( ~;;当前发生交易时给出的评价3 ?/ ?' X( i( y- m' B0 Q
appraise-receive
& d' F3 d2 k4 C5 O. U6 K;;当前发生交易时收到的评价
3 b; _! m9 a* `0 O+ W$ }3 Q* zappraise-time( C% y' j4 Z: @* g' R6 e) V
;;当前发生交易时的评价时间
6 j2 |& K( b7 Z- Elocal-reputation-now;;此次交易后相对于对方turtle的局部声誉2 J' q- g7 e( `+ l5 y f/ P. ] J9 M
trade-times-total% o2 N" Q% E1 b6 J" h
;;与当前turtle的交易总次数, |. H( b$ x$ q, s3 y& p/ P1 i K
trade-money-total
% o/ ^) m% Y4 H; ~;;与当前turtle的交易总金额
: O( ?" b2 i5 S g$ alocal-reputation
$ |: ~3 k9 _! @' D* Mglobal-reputation& f. g2 L6 S1 `+ t* K Z9 L; c
credibility
4 t. m5 f. P: o* _ K+ z;;评价可信度,每次交易后都需要更新" U$ n, S$ {1 l5 ^
credibility-all& }, R4 _2 b. j W. w
;;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" P7 P5 Q% T d" w
: b7 s. C; }# n( V3 R( n;;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
. C0 |' c/ h1 l& P, ^2 ~; {credibility-one$ H$ P/ X8 }$ [; v' k
;;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
$ U" h& Z' [4 R* g' Dglobal-proportion) m1 `) n. S) t/ Y5 g' P
customer
3 O4 \* }7 o' Y- Ncustomer-no: d) K; V! N. H8 L2 k
trust-ok
6 I$ N/ O# n. c" ~trade-record-one-len;;trade-record-one的长度
6 [4 w" R% B+ L3 h+ t: j0 N]3 W2 O! t6 W/ Q9 s! n
4 [/ x: ?4 B; U/ D/ ^5 E: y
;;setup procedure& s1 x* p8 O- F+ F
& M- Y( e& [1 }3 U! ?9 ato setup
3 _ a. M' n; m. X4 @
. j4 \% @9 B- U) M3 M5 Z5 z. V @ca, u, K* R/ I: j) P2 V$ v! O, a& ^
7 ?$ @/ Q) q% `initialize-settings' ~: m) H. M6 o% B8 B
- k* w8 j8 f9 K( B J7 q+ x
crt people [setup-turtles]
8 l. _" ~0 v, ]$ M' T! u$ |& Z! s- n+ k: q* f+ p9 ]
reset-timer! i$ Z6 x3 l# {( B
! a* Y% g$ z) b4 {poll-class% e& R$ O& l' ?0 W
0 H1 e) q i2 g! f8 f8 S
setup-plots( k8 q# L( _% `3 p. ]
4 O3 I# R X! c/ H
do-plots8 p2 T9 q; m9 `4 e& B+ X
end
2 g/ D- C( }) [( h0 R3 w9 l% T" P" n
to initialize-settings! i& ]) h- A, v9 R1 y, c
; _6 C& p; ~ O8 k2 k8 Vset global-reputation-list []
& W- _ x: n G, a5 \8 Q5 [- I" k7 c0 T, X
set credibility-list n-values people [0.5]
/ m0 ?# b# h, D7 o7 ~3 ?* A8 K9 y6 x& P. Y+ S e
set honest-service 00 O, y, {% ^+ S$ E, }" O" Y
n$ O2 |/ g+ v. k# [: F1 B6 K5 g
set unhonest-service 0( N. U. M/ j6 i, X' K V \
4 f- J% S" w5 s* i/ ^/ Gset oscillation 0
% _7 h0 r5 J2 I6 q6 y2 }" X# Q
. X! S. B7 r i+ K: P" lset rand-dynamic 0
- S4 {* P- W* W6 X3 iend" E' ^9 D$ p& y8 U" z, j
; p( T# X5 }7 m9 |. G! [* }* k7 Jto setup-turtles ( o& o) v2 a( ~/ _! z4 S
set shape "person"
# \; [ e3 Y+ M g+ a- Tsetxy random-xcor random-ycor
. u5 E+ c3 \& [3 c. ^* G0 Rset trade-record-one []
; f7 b' O7 W1 J, Z. C# a8 n6 K
) l) I( K1 c) H" b1 l* m; y, f* }0 zset trade-record-all n-values people [(list (? + 1) 0 0)] 4 N# d2 l. C% H: Y. P+ j
; ^, ~$ G; P5 U9 \& r% H3 Mset trade-record-current []
" J$ N! Y7 B- Q$ [; n$ n3 @set credibility-receive []" @4 x8 p: N, p5 Z
set local-reputation 0.5
, Y/ G3 N; b9 |+ y; u3 Uset neighbor-total 0
V! h+ i' }8 |' \% p% B/ Z2 Lset trade-times-total 0* H" ]! K$ _/ j8 _* \
set trade-money-total 0
$ I! P! X, y4 @) i* J# s( k2 u2 [9 Bset customer nobody
& e p# S. O% B' F% L. Lset credibility-all n-values people [creat-credibility]/ J( W' d5 b* N& b
set credibility n-values people [-1]9 n1 V: @8 f+ H: U
get-color3 M# H( `. Y3 O9 k9 i* p5 B
) V9 F: F+ I0 i5 }6 r# cend
* I9 J; _2 L r& G+ g! V& T
2 a% m6 U2 n# p* p* R" l1 p9 eto-report creat-credibility
5 o2 B# K3 D) z* h) k, U- F/ nreport n-values people [0.5]3 J3 N2 n+ F3 [5 N2 D" K4 j0 }9 W7 c6 s
end1 |+ G3 N' {4 c; h @+ f, G
/ H" g5 Y0 ]6 T2 D1 ?- ?0 u9 [to setup-plots
0 i. n) e( y6 r8 K3 k; `- a- M( `
1 V, x' F" P5 v# L* |) iset xmax 30
- S% ]( w% K1 A
# a* I2 @6 A( ]4 j$ b$ Y' B; iset ymax 1.05 |' g5 C+ z I& O
1 B4 m& F: ^8 y2 C2 h
clear-all-plots2 l: O# O- T) ^- o( V8 n% [6 S1 g4 _
! A) g$ W4 s. O# R- ]; [
setup-plot1
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5 o& M; V) }) S& ~& p' S, Psetup-plot21 ~0 I! a- p/ w' k: i
+ S* F9 s H& e I. ]3 {8 xsetup-plot3
5 z% H; W% y4 `end2 j1 ?4 T; _" f# L' s- p
k$ \: t% i, x8 x1 G; J;;run time procedures: D, n2 e- a7 @
# j0 e: A+ j1 F/ V' zto go
3 F" v3 e, W5 g$ L
9 x$ X) e3 U4 A1 U. ?/ Cask turtles [do-business]' t: r% e$ ]: q: Y, B
end
! k2 ?; m' e; s" Z2 e/ a n. f" h1 H+ t( j
to do-business
+ Z: _4 y* i/ b& r* K2 H1 z- h/ n* [" |3 y+ z
& F! _# j& @& l9 Z4 Srt random 360
! H9 v: N8 b' G) e7 @5 X+ f* N$ P$ h: u N
fd 1
) \$ p" q C* {
0 E8 I" W) J y9 hifelse(other turtles-here != nobody)[3 u, M6 h/ Q6 R; c1 Y, w% E
7 T8 ?) I; L; Q! U7 L$ e, k$ Rset customer one-of other turtles-here6 F1 b1 n. Z: r% s
5 y& a) X* \4 Y5 J/ w* ~
;; set [customer] of customer myself
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6 {4 N4 Q9 B' p5 K/ cset [trade-record-one] of self item (([who] of customer) - 1)7 ] C9 M/ V, o; r( m
[trade-record-all]of self' i' n: R& D& F9 G3 s$ l! b" e
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
& q, {( I# _; R0 w" y. j
+ ^- _- g+ F+ nset [trade-record-one] of customer item (([who] of self) - 1)
& d9 }& K7 [$ h4 a[trade-record-all]of customer2 t8 L, l/ c5 r6 o
% r$ E* ?: y; x4 k" Yset [trade-record-one-len] of self length [trade-record-one] of self
/ E& [) d+ L7 [
# t o: Y8 T/ m. a; @) y- Xset trade-record-current( list (timer) (random money-upper-limit))
4 E( n8 r0 }; l8 Z x
# Q; |7 B- ^( O% g# Cask self [do-trust]
4 o) P' O4 {8 {1 s) y/ G;;先求i对j的信任度
4 p, E1 b1 e* Q; C' n
% f0 M/ n+ T) Lif ([trust-ok] of self)
+ u& c: }, O1 }4 w) N;;根据i对j的信任度来决定是否与j进行交易[3 d0 z+ O. C1 ^8 y8 N% I0 q
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself9 U2 _$ K; w* x# D. u
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7 @7 ~: z7 r+ w8 Y4 r7 E [5 |2 d9 @
do-trade
/ }1 u% ^! o$ y S V6 R: c2 D0 G( `% X/ r# Y8 q& ? M
update-credibility-ijl
* S2 [+ G- ?; |/ t8 s- W
4 p5 u J* X1 {/ f- H6 _update-credibility-list
: `1 Q4 k: `, n ?5 f3 p9 x. k2 b0 z; \3 D9 k- j
5 j! e. K' i g% R- C* uupdate-global-reputation-list1 n+ f V5 ~( ~9 o
/ a5 `9 [7 A; vpoll-class4 m) _! u) H6 Q1 `
/ ~ p2 ~" L8 [/ Y6 V4 Aget-color$ E0 x$ b5 \4 R' V5 d
1 ] B& z5 {$ g( u]]
* u9 y1 @* U9 f7 A; A- c, c7 _# Q6 [& u
;;如果所得的信任度满足条件,则进行交易
* j( j8 o) K4 J+ t3 |% Q. O( _: ?4 d9 n* j4 N) D: I* y! [
[$ g# I- x' D* W
6 Y2 q8 G. s- b3 I E5 [( \
rt random 360+ `- H7 w& m+ ^5 W4 [) ]1 x
! P) y |: ]/ K$ E
fd 1
* U l* [8 N2 H9 G$ U; w
9 m) t( ]2 P& q5 a" |$ u+ s; f1 `]
) G( l) f5 s5 ~7 ^1 i, K$ q
p' W: [: D" S0 Rend
/ `3 V7 n' J! J1 E/ x8 N! H1 v; M9 s: d, g, B; G
to do-trust + a% @0 A3 w( F
set trust-ok False& [! S2 I: A* g1 P+ V
& [7 h$ f0 K0 _- `& K P
& O! Q+ U$ }, y7 P9 ~! X; `) plet max-trade-times 0
\) D% o8 D( G% _foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
5 `: n6 I5 Y+ [- v" p* Llet max-trade-money 0
z5 ^0 R& |' w. uforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]; I4 |; W3 U* y1 c* W: ^
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))' a5 n1 w+ e8 \2 l' ~5 @
6 ^. G! A9 v1 ?
: b2 H" f' S: C6 f' A% Jget-global-proportion
6 ^+ p; @; e; w5 u8 Hlet trust-value1 I7 ? [2 W( i5 ]$ K* W$ g
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)# x; U2 Z3 [+ w9 l
if(trust-value > trade-trust-value)
4 S" f, C: O& [* K: k; p& ]$ c[set trust-ok true]- k+ M6 ^& I; v7 y) |4 y
end* B+ I* ?+ }( [8 k7 c; B' X: K
. s5 I" _# N t6 b- ?; ?2 _to get-global-proportion
+ ]# B, Y5 m& m( x x2 i; @. Lifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
, s) e! @, O) S7 c$ ]; L[set global-proportion 0]
0 b' n3 D- P2 X+ |5 N2 A[let i 0
- j' ~# [; W5 V: H* glet sum-money 0
+ L( ]. M, T& ~5 ?2 A# Zwhile[ i < people]
7 I: V) l' l8 Y; I1 U7 i4 o! G[
) `2 t( C6 s+ R' Vif( length (item i
c" I7 M/ L8 C# l[trade-record-all] of customer) > 3 )1 s+ |( B8 F/ d2 Y/ k# m0 j
[
3 x% h. N6 n A; J# i: ~2 wset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
$ z1 U. N) D* |4 x A]/ {. Y. f* a4 H! W" J) y1 \
]& f# j# ~7 u/ l
let j 0% u. ^" W! P4 i: y5 `" h8 a/ o
let note 0
! S3 {4 U7 J- {% x9 ~+ \while[ j < people]
2 P- @6 \0 E5 W2 L[
- X, ^# u0 C# X* K3 H) pif( length (item i
( d7 p, j9 s3 _[trade-record-all] of customer) > 3 )
9 j: Q( p* E( {6 E8 P[% O( P4 Q7 ^+ \1 U& O1 @
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 J) i# x" y0 K9 w" ?2 W! y7 W
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
* F0 e8 s; D+ E" K) i" p+ \4 \[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]! L ?2 z0 `- R: q
]( K, L) k" G \5 i" Z4 |
]
$ b" `: n7 l/ w6 x% L& Pset global-proportion note
+ V' \( h9 w& O+ j$ P0 e$ U]& ]+ |+ n% j0 U. v
end
# U7 u6 F6 D; m- z; l' W" n: Y c$ G' v$ g# R+ f' s! Z ] @& i5 o8 m1 D. D
to do-trade
O6 |1 P! }1 W. l8 @6 j a;;这个过程实际上是给双方作出评价的过程
J" T/ e! _( w$ wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ H4 r( T2 a! Z6 vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价9 l, ~ M" s; H
set trade-record-current lput(timer) trade-record-current
% P8 e) ^! g9 P* Q;;评价时间# w. W Q+ y4 }8 J# o) u+ w
ask myself [# o" Q' P% I6 c5 q2 p1 v0 i
update-local-reputation/ F5 z2 N* g6 g. O; }. Z
set trade-record-current lput([local-reputation] of myself) trade-record-current
$ f0 a/ Y% Q$ e8 _0 ]) p5 r]4 m7 ~1 ^4 |3 Y$ n5 D
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself9 ^$ `: Z5 d7 v T6 d" O% b
;;将此次交易的记录加入到trade-record-one中2 w+ O( i& k l3 W" r5 u4 l" ?. ]
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)9 ?1 [, |) f/ b, T4 J
let note (item 2 trade-record-current )
% I" A) v, i+ Gset trade-record-current" p( h. D j! T8 h+ J; Q' E
(replace-item 2 trade-record-current (item 3 trade-record-current))% R3 l. n. [4 p( ~7 l
set trade-record-current S: t& J3 I* W$ a3 \. [
(replace-item 3 trade-record-current note)+ g, s+ S7 J1 s5 @8 a3 h4 ^
8 b& G/ O) ~3 t
& v8 S' s# x2 Task customer [7 ~) r4 ]9 N6 P l. O$ ]
update-local-reputation4 A8 h, I4 K4 |) T. Y( r8 F% ]" y
set trade-record-current0 s ]) J2 O& Q9 r+ v# @
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ c, Z0 M7 }4 ~+ P5 \9 n8 j
]
. }: y7 U) J( P/ P* `/ d. I) o3 i) a+ d2 I7 D+ S1 ?2 D
* R: H6 P& B5 A" |set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer) Y% u! U; \+ q, ^. t
3 s! L6 h. p6 U+ ?* u7 L7 ~set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
K) ]* V& N Z/ F' g+ |. h;;将此次交易的记录加入到customer的trade-record-all中0 w* S& I6 T3 }3 ~1 p
end
0 g5 C' I. r# n1 H8 ?; o' S; T6 Z9 l: i$ n/ T1 U3 F
to update-local-reputation
! ~% @# [4 w( d$ s: p5 j$ kset [trade-record-one-len] of myself length [trade-record-one] of myself$ q! `# Z! h9 H) r9 `/ Y
- [8 k2 i( r `1 q/ P! |7 Z% x/ ]
;;if [trade-record-one-len] of myself > 3
6 c5 \0 z8 N( `$ [ @update-neighbor-total- I2 N( H7 t, F
;;更新邻居节点的数目,在此进行0 O) s' P# m3 u1 j/ E6 D
let i 3. k* L8 t) c- e" C$ A
let sum-time 0
+ B( |- @4 }6 Y, Z% Awhile[i < [trade-record-one-len] of myself]
+ J, E- o6 W, g0 n6 q[3 n) f2 U3 j, o* K. D8 W
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) K& n3 p' H5 p1 Y; H' _6 X. ]
set i+ S" w+ p4 Y8 J3 S, u- b& {7 |
( i + 1); \% X* W+ f" _3 k& S
]2 d# r7 {7 g4 k; \8 | B
let j 35 R0 x; H) a" |& y
let sum-money 0
4 | A# q4 o6 C( z1 r, Swhile[j < [trade-record-one-len] of myself]5 h; g$ d; O% \0 a) |6 ~1 x" B
[6 N2 s" T5 D& g3 ?
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$ q' N2 j$ E" b* ^5 ?set j3 ^, V) x# d$ |& m2 x" U$ s7 P: v$ ?
( j + 1)9 S c+ I) Z4 o2 x1 K7 \: x% z3 c
]
0 M" X# \: P) l; T, l* p olet k 3
% |+ H1 K7 Y% I0 ~- wlet power 0: i! S. e% L7 R2 b
let local 0% S+ q* t5 F) K' @3 n
while [k <[trade-record-one-len] of myself]
* l: D/ c# B) v% \[
3 M5 M; b2 M U! Y# y$ q# ]2 [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)
" O8 M; _6 b& T+ P( z% y- aset k (k + 1)
# k' l- q9 {7 w! ?/ e9 {% {]$ O! B% X7 \ m V3 a
set [local-reputation] of myself (local)
# y3 ]2 O- l& J5 Send0 K6 N* f# ]8 e+ D
' G- _9 M$ X0 h
to update-neighbor-total! u0 s- \5 J m: F
q: B; g! v) W
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
8 U, s9 L' C$ \5 K' Q
/ K. r) ^# u `7 Q7 [, v. \6 T6 q+ s% d1 Y" a
end4 y, t. I: f4 x# W, ]
2 ?. ]' z% e, k$ n
to update-credibility-ijl
5 H; n$ ]1 T: D
7 Y1 x9 o. K/ f) @0 d;;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。
$ @/ b# y* Z+ H8 q, x( v; wlet l 0
! P. Z* y! T! [! t3 G: hwhile[ l < people ], Q' v( J2 Y% x3 ]! U
;;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, _) c( |# _2 V' H: j% O
[
. s& V3 ^ N# Llet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
# G( B/ }- `5 U7 v0 @if (trade-record-one-j-l-len > 3)8 y) M8 H4 X/ E% {$ n: p0 v
[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! d1 Y# ]) |9 ~4 b9 C2 R0 \# j
let i 3
; P- w$ ^. R7 d9 K C8 @let sum-time 00 L# N0 h" `; L4 U) w
while[i < trade-record-one-len]5 L6 k' K+ M! t; K
[
E2 |8 a2 w0 w ?7 o% u [5 Aset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. g3 c8 l5 J1 n0 c6 [set i9 y8 z, f* v0 f" M% E
( i + 1)
5 a' F7 ]# V; s$ a* V* |]
, \ {) d9 n/ f% R0 j, a% Ilet credibility-i-j-l 0
+ n, k. i9 W/ j' Q+ \9 [;;i评价(j对jl的评价)$ F! k$ w* i7 I' ]
let j 3
! b/ m- q+ Y( m) [let k 4
6 d. z: M" P, Z1 o- U% q. W) Rwhile[j < trade-record-one-len]
% T" K! E2 q6 F* k% ]: J" m q[5 Y& U* {0 k2 @9 C) H% R
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" H; O. {' r- n- d/ Q5 J9 Q
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)9 G- E. h! P( Y; k# `% ?" S* m
set j
) R# j" l3 V. D5 L+ ^" w4 `( j + 1)
2 g9 P) l" U% D5 N]0 @" {; u5 |& Y0 I$ \
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 ))0 a1 c2 e7 Q5 V- m- ^
2 z' b( n" W( t
; t2 W, r' K0 D% {; M: S3 u
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
- Z8 e) Q0 L% E4 L4 {4 {/ Q2 d;;及时更新i对l的评价质量的评价
8 f/ ~/ j" f- g4 D* W3 P3 a# q& cset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]7 q5 I# s; N0 j5 W" E
set l (l + 1)
- c9 J- i1 A$ R9 l# O. O0 U' ?]' T0 S# t$ G" b
end9 M6 @* N; z7 D6 Y1 ^& @8 |0 f) E
2 H. h8 j* Y8 ] y- `to update-credibility-list! J( _" o- K& D' o7 J
let i 05 G. M- D; j1 I5 @, U, d
while[i < people]% M- n' e- E! A3 w$ K. x' R5 @( c( d' M
[( {$ `5 B7 v, g9 E- H% B" V5 R A9 C
let j 0& p7 L5 K" p* t: R6 ]
let note 0
# r" `. n' `0 L$ V0 S+ Zlet k 0
+ D, _9 `4 y9 C. f;;计作出过评价的邻居节点的数目, r7 j( K8 J0 v1 A! Y
while[j < people]( w* ^* {4 y; T6 q5 j/ T$ b
[
$ n5 ~% z Z( Rif (item j( [credibility] of turtle (i + 1)) != -1), Q* ~; u5 z; n; t' h
;;判断是否给本turtle的评价质量做出过评价的节点
0 }: p3 x9 {0 M& |. }[set note (note + item j ([credibility]of turtle (i + 1)))" I/ L( H8 e5 Q3 O- q
;;*(exp (-(people - 2)))/(people - 2))]# u) Y6 h0 a% j. s4 `( w
set k (k + 1) g! t# P' K/ Q7 \" z- U3 S0 A
]
" S& j% D- b$ @set j (j + 1)' r8 w5 X+ T* P/ N. U5 d
]
4 n) l- w5 K6 [3 u& Z2 W! p. Aset note (note *(exp (- (1 / k)))/ k)% w% Y" i4 H! P
set credibility-list (replace-item i credibility-list note)1 T$ U" `: ~0 g
set i (i + 1)
" t) w% @ n2 T" b% ~' Q3 Y]
; M/ i, ?8 F4 \: T, Jend5 L' z. N) M8 S
$ _: L: P. D& H' L0 |. Z: H2 c, t: w
to update-global-reputation-list
5 c4 Y9 H6 F! L; z9 q0 H/ U( alet j 08 f0 n' t' G. x3 Q' m/ u4 h
while[j < people]. K2 T! R4 _" n9 e5 M9 x6 A
[
$ E0 D/ ~9 K, e# W- h( G, Ilet new 0" V0 u/ p1 U& ?- Z8 h
;;暂存新的一个全局声誉
6 r; A: J: Q6 `+ i% j5 I/ Rlet i 0
! n9 r8 D! G8 P) W( u4 m7 ^+ u4 {' Plet sum-money 01 ?7 O' F% Y% G# y
let credibility-money 0# [& t1 c2 S3 D' `( ~1 d' [! O
while [i < people]/ R" {# T* T* W: L; t
[
" a$ Q" b/ E6 P5 \+ D1 Z) aset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
/ v) |0 L4 O8 S* r7 vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 F" k" h% a4 k+ x6 k: j4 oset i (i + 1)% d& ?0 B M& D' t
]6 V v [1 z6 o' W' }
let k 0
r: S* @% w* m% S8 ?let new1 0
5 | m& ^$ d: K6 lwhile [k < people]
5 ?: E( t; K9 [; U1 V[
- f: X G5 P: `- R" Z ^& Cset 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)* ^; G5 \) [8 t) B5 Q- }: H
set k (k + 1)
& A9 n) g ~+ d$ G) C: ^' n]
% R6 n) g ?. M9 Q; R* T9 g1 wset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
, x. Y0 H! j5 S8 x7 |) oset global-reputation-list (replace-item j global-reputation-list new)
4 u9 E# f3 M y- ], Kset j (j + 1)" l. m# _% e0 q6 x( Q
]
- o7 y/ |$ ~5 @" a& ?end
2 T5 m/ N' P; d9 r/ b8 H1 z9 b( J+ ]+ P* ]3 y" w) o& l
, F' S% ]- u. Z4 O) m
" c6 j4 \7 @/ P
to get-color, h1 m4 Z7 G% j+ A
4 k# R- m. s, K
set color blue* T) a$ m; `1 E# @& C% P
end
5 E; e; K6 ~/ r+ m c5 B* ^+ q; z' f! U: d' n
to poll-class
7 d' P& ? b. h, k; z6 |1 g cend& h1 ^. n- Q1 v
' f/ A' s9 M4 u" r! I, ^7 hto setup-plot1
- T9 Z9 K! ~8 T" I8 x& c
3 c5 H5 h3 b. F7 e) _ vset-current-plot "Trends-of-Local-reputation"
# G: o2 G) P& O8 W: X+ m; b' {* Q/ _# B3 V
set-plot-x-range 0 xmax' M4 B! Y2 C0 L$ P
& o) B# Y2 G- p" o t3 rset-plot-y-range 0.0 ymax
/ ~+ n9 D4 g4 bend: k% v c$ t1 G. @# S* M6 C& V
* u* m" c- J, q$ D f* W
to setup-plot2
7 T: {- w* S: F0 z o. D9 p
4 W9 \6 C( E. M" I Qset-current-plot "Trends-of-global-reputation"+ [+ U+ Q+ W0 H4 q' p
3 I5 Q% }' Z! j$ Z5 ]set-plot-x-range 0 xmax
/ P7 w; y( d+ r, ]& f
& T+ E+ f4 O: q3 r7 }: @set-plot-y-range 0.0 ymax3 q% [, D- b- m8 S, R& ` L$ s
end
& Y" _7 ]3 r+ p( S* ]
, w2 J/ S5 l6 ]to setup-plot3
F' u, ]6 |; j8 y* H
9 [- p4 U X" z5 fset-current-plot "Trends-of-credibility"# S9 Y4 }4 b! i% Z- M6 I: V$ S
. F; E! `# i. v8 G6 Nset-plot-x-range 0 xmax
( q8 P' M$ S7 O" }
1 k8 ]: T+ {; n; ]4 m$ _- t+ Nset-plot-y-range 0.0 ymax
& w8 [; r D" r: }7 Tend9 M7 P; H% h, d: `; s
2 i: _7 g7 \1 z" A8 G, l& J Tto do-plots
- M5 p) z2 w; }; ?, Vset-current-plot "Trends-of-Local-reputation"/ a% z! j$ o- }: t" O
set-current-plot-pen "Honest service"+ J( q" v, c! p j5 i; G2 Y8 m
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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