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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& p6 h! ?$ |! l2 _5 M
globals[
. u# E6 g" N9 O" V) nxmax
- {2 b+ x: b }4 @* B& M' fymax i' J. Y9 N: U. h2 c! _0 f
global-reputation-list: N- G& X* }, S$ f
# ?4 R* h) w3 Q6 L4 W
;;每一个turtle的全局声誉都存在此LIST中
/ t# r e- C3 icredibility-list
7 @8 T' ?* E1 A% ~' {;;每一个turtle的评价可信度. r) M* e) p/ p1 m% Q
honest-service
( }9 W& o9 V: A3 v* T6 Tunhonest-service. d% L/ w; M8 ]* Y) k7 C; j
oscillation) q( [6 H) ?& }2 m. r- B3 Z
rand-dynamic5 f- B+ U1 Z/ ~1 S7 q( e g/ s
]
+ p9 p, @ H0 `+ [4 p+ N
`7 y/ O) N0 t4 X& o' v: iturtles-own[
! b6 a( @+ v* q/ y8 r4 a# Z: dtrade-record-all
# T* c4 r5 Q* Q, E;;a list of lists,由trade-record-one组成
7 b" n0 F- X8 L6 n! ctrade-record-one( Y5 S, S8 v: W9 x0 d6 U+ Z) 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8 u/ t1 [$ A9 l7 T
- Q# F6 t( K, 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]]
# x) H9 {# k D' ~% |3 \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]* j# i' B6 v; 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list
; H O; K! o( ~& e mneighbor-total
. Z( S/ W5 q( N. E) s; X" `2 [;;记录该turtle的邻居节点的数目( `4 b, x3 S5 M% e
trade-time$ S5 {+ ]/ W- X, H- ^9 t3 J
;;当前发生交易的turtle的交易时间7 [) R8 {* ]! Y1 P2 ~
appraise-give
5 z! l# g# n, q- P1 |8 d;;当前发生交易时给出的评价
# o, T: j; |/ P8 _appraise-receive
4 i* y; o: p9 X8 Q5 P( B;;当前发生交易时收到的评价8 Q/ |, w6 e1 S# |2 z. I
appraise-time
0 x3 |5 r' o3 w0 b* m/ y+ B9 E( T;;当前发生交易时的评价时间7 ^, T1 @ v `/ `$ I* y% i
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
. D' U) V5 W; M# K4 f- Ftrade-times-total
8 |* j+ N' V+ z" B9 q;;与当前turtle的交易总次数8 O2 ~7 x2 R, U( C
trade-money-total
: N1 I6 }$ n6 _' J2 Z;;与当前turtle的交易总金额$ S; Q, c f' b, M ~' B3 C
local-reputation% F" E; V3 p3 [# d
global-reputation* \3 f6 d! k- Y; u6 q
credibility
: B" \. k- r. t: M;;评价可信度,每次交易后都需要更新7 `- H- ], }5 T( p* T9 Z* X; F$ e5 V
credibility-all3 G' _, S1 @5 f0 d, M; ]3 ?+ M
;;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
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;;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
9 l: h$ N+ k# {$ s* g7 Q+ Tcredibility-one
3 ~# y0 L. u; N4 V% U: H;;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
6 ^8 M4 R6 [; E6 B( Q' w5 j' m: k' L, dglobal-proportion
5 m; B) y# A& l2 H" ~, b" G& Acustomer6 j$ j! [4 ~) F8 V$ [( P
customer-no* O* @$ F% j* U) ^
trust-ok+ H v0 R- t7 n) a$ ?
trade-record-one-len;;trade-record-one的长度/ [5 X" D$ `* ^# w7 Z+ k2 b' C
]; n7 b: T3 f, ^2 Y6 f7 h$ ~
# P$ ^2 ~6 z; e& g# e+ R; r2 B9 d( L% V
;;setup procedure& U7 M5 ]1 a2 ?. n
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to setup
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ca3 z, N6 a! w/ D" G) Q; ~0 T
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initialize-settings
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7 r2 Y0 k4 a% @( O( H9 G3 L' ]crt people [setup-turtles]# d$ F0 O/ ]' v. j6 y! i
' @5 \; o( k$ v4 E. F( qreset-timer
5 {( r. y* G1 I; C7 o0 y' d8 q1 ?# _& r! }) P# n
poll-class8 X8 w3 j I/ h$ r4 a+ f
) H+ F* {" v1 X7 ]: ?* g. P
setup-plots% U" m8 k' z& \3 z. W+ H
# o8 d5 i; a) Mdo-plots0 ?: r! E9 \8 u1 y2 r
end% d. y+ [9 D, l* f: w$ u: ?
8 `. _; }# b" T2 Gto initialize-settings9 \) N+ F2 d+ Y+ H O/ ~4 @0 W
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set global-reputation-list []1 i( n! P3 b8 a
% y T( G1 M& j1 Q3 d$ tset credibility-list n-values people [0.5]& a1 a$ s3 G3 ]- E: `: {
1 M8 Y2 m0 k+ L: j9 ^9 a5 fset honest-service 0& F; p: N8 T; N1 `9 w8 a
$ k2 ]% u7 f: M9 K+ O4 u" z# z9 V
set unhonest-service 0
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6 ?. H/ [" g! Q9 ~( ^4 I1 qset oscillation 0% d. z( P" I- E% V! a7 b, ~
) d, s/ v0 X3 a$ V$ K$ V% qset rand-dynamic 0, w4 y b `! @. d, ]
end+ \1 K# a& O8 U0 y1 H
( E0 y4 \! A3 L# [7 o/ Gto setup-turtles
( E/ N$ W& Z$ O( b. Y# eset shape "person"
! a) {6 a1 X/ S, ^9 Isetxy random-xcor random-ycor6 i5 c8 y" P4 Z
set trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)]
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2 F+ g6 N; I1 w; r/ Tset trade-record-current []- c# M/ Q0 N) Z
set credibility-receive []
" f6 E9 p2 Q4 d! g# D" fset local-reputation 0.5( b7 b7 n8 W' k( \6 i: [
set neighbor-total 0
# D g! H" r$ s7 A) {set trade-times-total 0( E% ]8 c" o5 {2 F S
set trade-money-total 09 @8 ~5 C2 E u' R
set customer nobody
; p3 Z \) W* P. b. H0 v5 w Vset credibility-all n-values people [creat-credibility]
' o1 ^" \! J0 Sset credibility n-values people [-1]
6 L1 x( p+ u" n B+ D+ _get-color
+ v( S; z4 J2 R5 Y! T7 c3 ?$ G. b
$ b. A' G( G7 J, J4 }1 Aend
Q6 N; l; d* D% c( J* B$ S$ F0 c" Z6 _* b
to-report creat-credibility9 }" [* @5 S6 _- b- R/ D
report n-values people [0.5]
5 S- R& i! ]8 Z/ p! [2 |end
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( D4 N- @# T# A5 ~$ }9 K3 Cto setup-plots
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/ @4 z8 N, }. a* @% `- |2 Xset xmax 300 Y6 P4 D# s# e, `
' ]% p2 a3 c6 R; I4 u& qset ymax 1.0/ ]5 _% F/ p, A( f9 W/ d
" z P1 t9 C' Y; H8 bclear-all-plots9 T0 [, a8 F: ?, ^* m: C8 K
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setup-plot1
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setup-plot2$ Y. B6 X0 }3 e3 `
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setup-plot3
% A/ m; m# Q" _: K! H+ t( [, iend% _; ], b& q/ f& V. H& x o
h5 ^- I5 M1 ], }% f
;;run time procedures
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to go
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# ]/ ~/ B+ M( o, r: M a; fask turtles [do-business]( |/ s: x( X' p$ N' N0 ?5 i% j
end+ X- a/ X) A% f X
N& b3 i5 R3 R9 v& n2 y% Nto do-business 9 X1 ?4 S: [ \, n" U
9 K. b; Z" Y$ ]7 O# d e7 {: m3 I4 q$ X) _ \7 ^
rt random 360/ g3 P6 T& c. ^2 s# ^! J
2 F# X0 i& F M G$ G6 c
fd 1
0 O2 B5 w1 R1 c% ?3 g7 i4 X+ h8 w! o+ m; n7 z4 B0 {6 N" o2 M
ifelse(other turtles-here != nobody)[4 X P8 n: S9 I5 {3 \
: W1 T3 R! I4 nset customer one-of other turtles-here' h7 g; v3 K0 Y$ t! A
. Y% h, Q( y: [5 v5 k) ^;; set [customer] of customer myself" ~; ?0 `8 w2 v/ A8 }
2 n) ^ {( B6 c* q: G& _
set [trade-record-one] of self item (([who] of customer) - 1)
' V( o7 x5 o7 P4 m7 c[trade-record-all]of self
, O# y2 }* L# w# D;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self! G4 [/ T0 q" l) Y
) C7 i- |$ }" m' ^set [trade-record-one] of customer item (([who] of self) - 1)
! Z% `7 ^$ [( J1 ?1 k2 I: _( s[trade-record-all]of customer
; |. j( Z$ x% `& J5 H1 W, @2 N5 v. e0 h5 s2 {
set [trade-record-one-len] of self length [trade-record-one] of self; k4 d. X% G1 M7 A4 g5 ^9 s
0 P" P4 @# h: k, g) zset trade-record-current( list (timer) (random money-upper-limit))7 A" h+ t- T: Q: K7 `1 P% j
8 e, E) S$ ]+ s/ L ~; p6 Oask self [do-trust]3 s" z# f2 X, x
;;先求i对j的信任度, U. a( Y# \+ z' D. G8 k, J
5 _4 U+ F6 o: {% m1 k
if ([trust-ok] of self); V0 N& v4 X( T, k5 T# D8 p0 }: ~
;;根据i对j的信任度来决定是否与j进行交易[
0 ]! J" y- G7 X# \. }- Lask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[% G1 t/ b+ B( G
0 l9 o& p3 x* k& Z* u! N: y, Vdo-trade' Q+ S8 O% P8 l3 F' {+ [
5 o# U& _! O% ?9 h9 O' \update-credibility-ijl
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update-credibility-list
3 T' c* s h' W+ }* u" D7 ~; H {4 e
$ {9 c; Q2 n+ ?+ @
update-global-reputation-list! @5 s/ R3 Q t: U3 H, F% E( M* R, l: F5 Z
+ ?8 ]2 z3 O! R
poll-class
0 v' s |, r( S z3 l3 U, z: p
/ n5 }$ z6 l5 ^& y2 {/ Bget-color
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0 q v9 j# l. l3 A]]
6 |: M; |1 d: s% P5 x8 d6 s, x* [* g! s% I e8 i$ L1 J4 M# V
;;如果所得的信任度满足条件,则进行交易! W: L% V: v$ E8 g( a$ i
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8 @4 u0 h+ A! t: j
rt random 360
9 |$ ~+ B) N7 ~( B8 Y
6 z% M; J1 B' Z; J2 h+ e7 {2 ifd 1! `8 `- r% } m0 @ W
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: v$ {, W: J- o1 t5 Q$ g3 C
/ x% T V+ C, p" y3 Kend
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, J7 A! t- h" b- ?4 [' cto do-trust 6 r9 u# ^, N3 v# l% ?- y( b
set trust-ok False& f p* v" F9 o8 |
+ ~1 Y3 Z- R4 w9 T7 H
! z$ S/ V& p* R9 p) klet max-trade-times 09 w* P7 v6 O! v; N$ C% Q4 c
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]9 i! E1 L" {( p' {7 N
let max-trade-money 0: g9 W4 a9 a8 c; U
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. V9 n1 R/ A4 b! f* [$ H
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
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: O0 G0 S- H3 y- N1 d' dget-global-proportion
# c7 J) R+ ]+ B% ]* g% G+ dlet trust-value( c: Z+ T G3 V! 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)
* H8 m# T/ H% A$ b& fif(trust-value > trade-trust-value); x0 O3 h( z$ q, y, m
[set trust-ok true]
5 g: P0 Q* i; S2 ~& Send# w# C6 m" d6 d$ Y
8 g E) x5 r$ U2 I0 i9 T6 v7 Bto get-global-proportion
8 s) {9 a/ c ^/ ~# x/ W, S, bifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
2 ?! M6 g2 ]" p+ l$ `[set global-proportion 0]# ?1 [; u8 h: w; `* O1 V
[let i 0
/ I9 n; W' Z, p* ?% d" [# \& hlet sum-money 0
7 m/ U. E4 ^' V7 `! e, o7 f9 Ewhile[ i < people]5 t# m' y( P& Y1 }
[
, }' W6 N. `' e4 B4 bif( length (item i' j: v8 z: @8 y* n3 |
[trade-record-all] of customer) > 3 )
2 }4 ~5 o* \$ Y[8 e- T* j* g- k
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
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2 ]+ }3 X* f6 j- H0 M/ h4 f' `- Y, R]
2 U" c% H* s1 ~1 plet j 0, ]: _) J6 N2 M8 @
let note 0: w6 P- h9 l; v' @6 u' |# e+ k$ q
while[ j < people]
$ D @- F5 p2 P D[
" O0 M% Y' o- ~; `; _if( length (item i6 W) u4 h2 `" _" y- c H: t
[trade-record-all] of customer) > 3 )
* T# r! ~9 U7 J. t4 G[2 P, P, }+ g$ X* c2 \4 [
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1): n9 f8 c* U. j
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% @( y) n# n+ a1 y
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ Z9 P! s9 E6 c9 f4 x0 @]
3 p/ F& T, g9 Z4 S% Q( Q8 \]- f* Q) x# u4 F/ A
set global-proportion note
$ O. ~0 {6 ~, g T]
/ S4 E$ w+ _* A% k: v) cend9 j# i8 ^# p$ C. l+ D9 u
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to do-trade
4 o& Q1 j- r7 b$ M3 x3 `# Z4 O;;这个过程实际上是给双方作出评价的过程
! X2 B. f" ^# Pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 n- S6 w$ g8 w: i% Q% Vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 `# r! n- n6 P) q, dset trade-record-current lput(timer) trade-record-current
C; d5 e4 |9 Q0 V- {2 C$ v;;评价时间
5 s5 p- U1 d9 o1 x5 sask myself [+ }' a0 v- z$ G/ Z+ {6 E0 W* Y& a
update-local-reputation, S7 p% X& [4 A+ e4 w$ D* [+ c( c
set trade-record-current lput([local-reputation] of myself) trade-record-current1 N' n: V6 |8 l
]. O# N6 `( p3 x, D- b
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ h5 R) R* l6 D, q# ?; Z
;;将此次交易的记录加入到trade-record-one中
" `( i+ a; {1 l! K; r m; ~* S/ R* vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)1 p8 J' R, T& _' P. b, ^2 Y
let note (item 2 trade-record-current )
5 k+ D/ ~) O0 Gset trade-record-current0 _; o& U# W2 r
(replace-item 2 trade-record-current (item 3 trade-record-current))' O8 J- b% u/ D( U
set trade-record-current
7 k ]& [# O2 Q( s7 }; d7 ~1 E(replace-item 3 trade-record-current note)( C9 N3 F [4 e
% ^$ [ q5 C# _% O) X6 g# J" E8 J) I9 P, r7 K" s5 |* A
ask customer [
$ P; ]4 l9 @7 w9 zupdate-local-reputation
. V2 i3 K. x, J# C$ p# X1 fset trade-record-current0 d0 n/ k5 ^8 c7 V3 `
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : y+ c; V/ C4 o9 F/ {
]# y' _0 F3 g- ?0 k, p
0 t' T T; ?% [2 `7 P
( S; x4 _8 l A# I1 yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
6 G3 U. ]: c. w5 L. B2 Z3 x/ b1 V. M: }- L+ }6 G! e
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! I/ M& [) f: E9 N! N% ~- y;;将此次交易的记录加入到customer的trade-record-all中 k& P$ e) a3 X7 O8 A0 P) s
end
# R5 p7 y2 P% v' s2 ]1 {+ {: b# v+ \! W
3 \' v: M1 q) O8 s1 U; xto update-local-reputation
9 H6 l: u5 I% K$ G0 c& Y1 c- Kset [trade-record-one-len] of myself length [trade-record-one] of myself( R. E! f7 H8 x0 h
8 v! p6 Y7 a: D* m7 r) n
# H, Q* T5 d& A8 W& c, H
;;if [trade-record-one-len] of myself > 3
7 r$ A' l$ N5 i" g/ a, }update-neighbor-total
+ }& R% P) U1 L5 t;;更新邻居节点的数目,在此进行
6 l. ]" X' w: \ b# ^$ M6 L7 d. Q! mlet i 36 A5 }6 B7 j3 d s& t& w: y
let sum-time 02 J* T5 Z) E7 F2 W; o# }
while[i < [trade-record-one-len] of myself]* }, Z8 w6 Z& U+ ~. K7 }
[/ A0 u6 x8 @/ C: t
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) k- E- z5 E9 {! O7 Y
set i
% ^' p' X( U9 i h7 M x( i + 1)
9 {" q! g& l$ m$ f9 w; S]
# O& J/ m; G" Ulet j 39 @3 c) a& ~3 i8 r
let sum-money 0% `4 F# E0 W' [6 D
while[j < [trade-record-one-len] of myself]
6 n, ~- f6 B# Z" J[* U! g6 ~/ P& A" y$ S+ ]) Y2 m
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)7 H0 D3 S; m' S& K3 Z- G
set j T9 Q0 [/ V4 \" T
( j + 1)
/ {( p2 O) D. d]$ B% M* O! a7 ~
let k 38 }7 H ?! Z+ {1 _6 L) x4 n
let power 0
# p) z3 v& l( _4 `7 ?3 Elet local 0' S* b, Q+ B, n
while [k <[trade-record-one-len] of myself]. o0 f. R. v+ {' {: k! z% Y* b
[ H) x7 z8 H- S: p; t" ^/ W9 o- g
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) 6 c5 R# _1 E, s( T
set k (k + 1)
$ z/ ?2 e; Z* ]+ g$ i0 I]
$ O, O9 P! g& ?! W& o* \set [local-reputation] of myself (local) B c% H9 N. T1 v* Y9 u
end! b: h+ Q# q( c
/ M$ V0 ]3 X( Y, D% t" ^# ]
to update-neighbor-total" l @; r& j& K$ K
" k, M( s$ H7 R) ^: Q' E" c/ rif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]; V8 ^7 @8 i+ [7 u
8 H1 L$ p i* X/ e( L' G5 H% O0 G0 D; f+ e4 X( j; ^4 O
end3 S& x* O3 \- N5 i, S1 I$ [
( q* m/ w8 J6 c! R5 I4 n! O8 Rto update-credibility-ijl 7 I$ b+ B( ^' Y, ?. _/ K* v" j
# f9 v) J! [+ Z6 s. O
;;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。
4 [/ ^. [/ o6 ]7 `# w1 Plet l 0
6 O! |' P" ?6 ~8 t+ @' f. S: Y, kwhile[ l < people ]
' b6 B( L6 `! n5 n! G( G;;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4 T& _$ l0 b) {( N) ~: s8 r7 G
[: t; p# y$ p$ ~5 d
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 v7 c: _7 y1 I5 `if (trade-record-one-j-l-len > 3): x% b/ K) {4 d) O9 _
[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! O9 a; q5 E9 w" T4 B) P O
let i 39 w3 i1 o/ ~7 I3 x' [
let sum-time 0
}- b4 p6 r% W& z: c* owhile[i < trade-record-one-len]5 w6 N8 S, E. C. H( o
[- u. H+ C d4 F6 ?$ d8 ~+ ~
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )! s. ^! a' J8 ]1 M2 w
set i( D- k1 ]7 Z; `
( i + 1)7 F3 t7 M3 g7 x, i1 O" Q$ p- k
]
2 s6 |5 l' T, Zlet credibility-i-j-l 0* M2 P$ a: b6 ]
;;i评价(j对jl的评价)' d8 B1 j7 g% G: I# D
let j 3$ B6 S. V. a6 }& `
let k 4
; N" ^- s0 Q# u0 }6 \' x# Ywhile[j < trade-record-one-len]
3 M- p- h8 V+ h5 _% S; g: \[
' _, _' y* M$ M: n3 pwhile [((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
) F: l0 K$ B Uset 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 d/ @+ k; z i7 rset j4 X! h i# P ]/ S8 Z0 p+ D, ?4 i6 Q
( j + 1)
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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 ))" j9 ]' `* ^6 R- i" N" }
8 }: J+ A$ Z8 c1 b' s& s- i: i
' J* }6 ]5 [7 a( o# h; B. y: ~0 M. i) vlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))" Y$ k' D# x# U" U
;;及时更新i对l的评价质量的评价6 p* w$ t8 j# e0 o. Y' j. f3 T6 H% U5 s
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
- E( m1 u- r% E/ A& Zset l (l + 1)
4 I$ l! G; ]" b G7 H/ K]! ~* v, \$ |% [
end
# {5 p# Y7 w9 c% g
; D/ P# b1 q$ b. E# cto update-credibility-list4 L0 n1 ^- \# k' f& z$ g
let i 07 ]/ m3 l$ @2 t
while[i < people]; d/ g0 L/ c9 W' B P
[4 J$ _2 x7 x3 ~
let j 0/ P$ e2 c' p7 F" `
let note 03 F7 B6 F% _ R5 N+ R( O
let k 0
( p; E' n0 s/ f3 B;;计作出过评价的邻居节点的数目
$ R6 v6 p( m" |, S9 v nwhile[j < people]
8 i1 \2 `3 R7 h( l& w[
4 z. T+ |) Z" C' M k3 K' Qif (item j( [credibility] of turtle (i + 1)) != -1)% q2 F6 t; n; r
;;判断是否给本turtle的评价质量做出过评价的节点
- f; q6 o0 Y+ r! s* K$ U. H[set note (note + item j ([credibility]of turtle (i + 1))), q% O* G2 [ \' g$ U& l6 d
;;*(exp (-(people - 2)))/(people - 2))]- S7 k1 O8 r" W: f% `+ p( O
set k (k + 1)6 M! Z% f% w6 ?0 O; `
]
- w7 U" m( f( j! t9 T4 \# o7 i4 q% n, pset j (j + 1)
3 `2 ?) ^9 I$ K( m# r: K7 A- h! q]( ^4 S* D u% B; B1 E
set note (note *(exp (- (1 / k)))/ k)
2 ~" m8 ~5 i$ Y% k3 Rset credibility-list (replace-item i credibility-list note)5 N" M9 Q% C u3 Z8 ?5 A9 o
set i (i + 1)! E/ K3 A+ Q3 i4 G
]
7 p# j$ _1 b0 s* N1 fend) V* t9 e; r+ v1 @& V4 Y+ o
! G9 b8 P/ O/ o3 ?' A& q# tto update-global-reputation-list
! p* V; c9 Z0 B& _4 P7 u: Glet j 0. Z8 l. c1 I: w- ~
while[j < people]
: m) ~/ p/ a7 q1 n' a4 p[! L7 l" t3 J4 v5 ]* K
let new 0
$ M# K5 O$ }) x! `- z5 D;;暂存新的一个全局声誉" a, {" I6 Y% k! Q8 m2 }# M9 Z
let i 0
4 ], X5 v' z0 q* wlet sum-money 06 Y7 O- L O! w
let credibility-money 0' R$ f6 o4 K* @# I
while [i < people]/ Y0 F4 m3 D9 V6 ?; K! G2 T
[
1 H; @1 D$ I) C& nset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))7 C% d7 U% f6 O$ ^9 Y4 ~
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))4 T" M" K% x, v% R0 {( Z
set i (i + 1)
8 i8 D C/ d _1 J]
1 S9 x' K- R$ z6 u+ vlet k 0
9 j$ N' i( y# [. U$ nlet new1 0+ x& E9 q" s& k1 ?/ v
while [k < people]
% P! X! I& G& _2 G[
/ ]' q/ F4 `/ b( E, |- E, p3 sset 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)
/ d- z/ A; Z: U4 w' vset k (k + 1)
5 C; Y" R- H* p4 I]0 r: H- o' O: |0 U2 J5 K9 B
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) " c6 q% P; O- ~
set global-reputation-list (replace-item j global-reputation-list new)
1 K G1 g. d) E+ U) u5 hset j (j + 1): j/ W" E9 R( U j+ J$ f
]5 J; c# a5 K; g& K3 u4 R" k' J
end
* [/ z; ~! Q2 S: T: z5 g0 R
1 I4 ~* u N% f6 J+ e
X0 `+ n% I* `7 B7 V4 ?. V/ b: b9 T, a- B
to get-color
! L9 L0 M5 h x7 V& N7 @
. L4 k' A( O; _# y8 E( rset color blue2 G9 d1 m3 R0 N/ S! y
end: r6 c0 A g4 o5 v! d; G6 Y8 m
1 x3 b* A7 C. a3 \' }
to poll-class
# P/ v \7 { z" Y8 s: X) iend* K2 Y2 ]$ o1 J* p4 |
" O" {# b5 Y( x1 ` wto setup-plot1
0 P' c- M* N D) z, ^( K
, V! I- k5 W1 b9 `# oset-current-plot "Trends-of-Local-reputation"2 f! t6 a8 A; Q) W5 u0 M( B5 w, y
$ @: k& @1 ]9 d: i* w3 R7 S7 f! o
set-plot-x-range 0 xmax# w- A2 X7 D% o/ N2 e
; i$ u' n5 _& xset-plot-y-range 0.0 ymax$ G- P$ E8 {$ `! x6 s, y" D v
end3 y1 r' [" o+ W7 h8 |( a" _! C
& l# |" c& L: R9 A3 \to setup-plot2
, i V! K, o9 q% |; z. @" I0 o/ W2 y; w f: }# B
set-current-plot "Trends-of-global-reputation"5 H* v+ z/ l5 V6 E+ I3 K$ D
- S5 q" d; u; w+ B- d- z2 @set-plot-x-range 0 xmax5 U/ v( C& X" v
, w4 ]. `# a- M: ~6 I
set-plot-y-range 0.0 ymax/ u0 \' I7 E0 B: n, E
end8 R+ P5 Q) W% [/ b2 C% K5 \$ G
$ [: e( e1 N" \ ? Y2 p% {to setup-plot3
; p( [* ^1 D/ ^2 r7 p8 ?- W& z6 G3 j/ l f) h/ y4 m
set-current-plot "Trends-of-credibility"0 \& h. m9 ]' q' w7 |" R
4 ^( i, z* E- T- Y' E/ Y7 Zset-plot-x-range 0 xmax& r2 T* G N0 l8 T' f$ ]
( g6 V% Z# `+ Zset-plot-y-range 0.0 ymax
) O: ]: X3 T3 y, ]4 |) m5 qend+ ~8 y# m j+ k; C/ ^/ A4 k/ v
) D; \3 L1 C7 B6 Y& m. @
to do-plots
1 I* g' A5 o* N. C0 v$ ^) X8 mset-current-plot "Trends-of-Local-reputation"5 B; s# }/ [1 t- ~
set-current-plot-pen "Honest service"" M9 ?- Q4 v! o! Q0 P
end: L5 b3 k+ [: Z
) S+ P. ^3 x, L* }/ ?1 @* e[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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