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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
# U3 @) O3 i8 B, Mglobals[" N+ w, r7 b# D8 x( V
xmax
, Z4 [( J* }5 {; K' s" [1 n, o) tymax- T$ Q; [( K5 ^' t) \! u0 s
global-reputation-list
0 V$ o! C' t! j0 c6 w2 O8 b. \* s
;;每一个turtle的全局声誉都存在此LIST中
: Q4 d' q( D4 `8 Gcredibility-list
$ d) Q% I$ Y1 ?;;每一个turtle的评价可信度
6 {9 t1 z; W( e1 ]5 Vhonest-service5 J) {. V8 ^! f. J3 {% E. x
unhonest-service
& s( q; B4 f& r$ Q9 \6 koscillation$ U1 a- @3 | g. R2 ~7 E, ]
rand-dynamic1 X! I: q) h( y) g
]
9 k9 r( a. i m
" X/ N. f( B) iturtles-own[" @5 R1 h# I/ h/ ~" p) G4 d
trade-record-all
. g- ?& ?& e$ c2 v;;a list of lists,由trade-record-one组成
. o) Y4 g1 L& s8 _5 v6 Gtrade-record-one
- ?9 z, Z% r$ f4 ~! A; x4 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+ W7 }8 O/ ^' ]% \; @
6 [/ C7 ~" E5 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]]
0 X, f u) f1 P# b5 ~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]
5 G% F& s1 M7 H# S& kcredibility-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list6 E- s5 i1 g0 y/ f
neighbor-total
, C; Z$ e' |7 m3 T! |;;记录该turtle的邻居节点的数目: B- T% n$ a/ G c) S I$ ?5 T
trade-time7 p! w* J+ X, X( U
;;当前发生交易的turtle的交易时间4 r" \6 n% M' M' }% [5 w
appraise-give
- W( }! v4 @. I: z/ D( b+ _;;当前发生交易时给出的评价
/ T- ^5 C7 \8 U! ?! mappraise-receive
7 l9 |; A0 m/ l' g/ r( T;;当前发生交易时收到的评价' }5 d/ I9 X$ h# P
appraise-time
' M7 X# f: g# d$ @6 j* ~;;当前发生交易时的评价时间
/ A/ k+ r( A/ ]6 l' ^. blocal-reputation-now;;此次交易后相对于对方turtle的局部声誉4 N8 N5 @* W+ e3 H6 f, T) n
trade-times-total3 h) a0 G5 S2 ?: G8 W% E$ F
;;与当前turtle的交易总次数4 U! b' _3 M6 r. V- ~
trade-money-total6 ?, C3 v) Q( Z2 u8 O
;;与当前turtle的交易总金额- E) }# k! ]0 J3 a
local-reputation8 W1 j( \- |) N! B }: ?' A% D
global-reputation) z, N8 l% S ?9 B# i
credibility( d0 M) q1 z( ^, \. H
;;评价可信度,每次交易后都需要更新
9 O H: R$ q( C; J: |credibility-all
4 w" G1 _/ v# T! ?/ V' W) H;;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
4 H0 d; W: Q8 n Z. N% `5 T3 `1 g8 A: N- 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
2 [' j2 w# K' E X8 i+ X) Fcredibility-one
4 a& p9 ]8 O4 \6 o: G;;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
7 g- I; D6 `7 M x9 ]3 T4 Sglobal-proportion) Q: z1 x* k+ o
customer
5 [4 o! A o* |6 P; Bcustomer-no
x" a/ u. _$ {% z3 ^ ?. N9 ptrust-ok B6 O: x$ T! a
trade-record-one-len;;trade-record-one的长度$ V5 N9 D8 a; h3 h
]6 G# Z, H) o6 w. @: R+ N
- R- l8 E' z- N, Y
;;setup procedure# c3 e+ D0 D, N
! T+ _8 Z8 A4 R- sto setup
0 L, A7 P/ m) |& f
( N1 L/ f* M. N8 e# eca
! j7 a4 ]& p3 b' s7 ~, ~+ Z; u ?* {2 j: f; P; `5 U; i& c5 \! m
initialize-settings7 V3 i& d6 x* P, [$ v. r& W+ U
B4 O. W$ I0 f2 T6 ]1 Z
crt people [setup-turtles]2 x, R) g9 x$ }/ D0 {, ~
, O; I1 K& B d8 J
reset-timer* b" _7 _2 C. @( P1 d
( X8 }$ K+ Z! q/ Ppoll-class
' a$ l. o2 Z" Y C" z( m- @- x) I0 E: S: j" J
setup-plots, Z# i6 t& E; d8 {' ~
% c! a& {: z/ v) r( s* t
do-plots
! y9 |! _2 x: P. t5 Oend7 H0 J$ Q1 ]9 q y, m
2 z, u! [; s V. A1 ^$ f# W* E
to initialize-settings- [ v/ T) I! L D: v$ f
2 Y& v; w' B- K! J1 bset global-reputation-list []8 }( K7 u, B8 n" ?1 u% Z
2 @7 F' b. ]4 b& c% j2 V0 r iset credibility-list n-values people [0.5]
9 ~& n! k: ^+ a4 S. K
0 f. [0 L0 i# \7 t+ eset honest-service 0) h& v: }( L3 k, Q
9 C( i9 E! ~) [! P8 w1 ?! eset unhonest-service 0
9 I' d( ~' c. x" N' J; l5 g. S+ t. N) \0 y( M
set oscillation 0
7 X# m u& x" R0 q& @; _# @% P8 L* a: g& w+ O5 [8 M
set rand-dynamic 0. b- V \2 S' i; h
end
4 t8 Y( d3 e' j/ n* N
$ B+ k& Z4 g: R; X. Lto setup-turtles + u/ L$ u2 U" N5 o f, k
set shape "person": a4 |) @- Q' ^( m
setxy random-xcor random-ycor* g- l2 I( }4 u% r% E, v$ d
set trade-record-one []/ ?4 v* v; d% [
$ I; ?5 j7 f$ Eset trade-record-all n-values people [(list (? + 1) 0 0)]
: R2 v+ z7 N- J# x0 l! f; ?
, D0 k; z2 b5 M$ f# C' eset trade-record-current []/ x; U Y& @" j7 @( J) _
set credibility-receive []
( j: E& N3 V( N0 M; t1 d% l6 rset local-reputation 0.5* p" {7 n6 A3 O8 {' X$ `
set neighbor-total 0
& I, t9 w/ V: M9 J( Uset trade-times-total 0
+ N" B7 H2 e( J1 ]; V9 k/ [! Z+ n0 zset trade-money-total 0
( A0 Y8 |2 T4 v/ @1 \0 T* h6 u1 U( |( Cset customer nobody4 R& c. u7 K. z) M
set credibility-all n-values people [creat-credibility]
* `" D9 k0 L2 \5 B* B! u/ cset credibility n-values people [-1]- M2 ?9 M d( ^3 r7 x
get-color
6 ~& ~5 ~$ K u1 b, u7 x* U/ Y& P$ d6 n# U$ U
end% ]9 M/ I& Q/ \% j$ o' m ]
! `% Q6 e9 \7 [3 x! [$ ito-report creat-credibility9 p& |2 _3 }. B& R
report n-values people [0.5]4 u; o# \9 C8 _+ N2 ]
end/ ] U/ Y8 v7 x5 e" `5 M7 e
; M+ u B, K4 t# wto setup-plots- f$ o2 ~7 n( A& F# N _4 d
( w# L0 ?* `4 B* L% w7 b3 \
set xmax 30+ {% K5 d. [5 _" W
0 ^/ Q1 t3 `# L0 bset ymax 1.0
$ v2 q2 t& T7 U0 g. p8 U1 Q* J8 N( l5 l' v# E. W, ^ x8 v5 _( V4 J( b5 B4 C& H, q
clear-all-plots
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setup-plot15 H7 U' q& |6 r9 m$ b1 V% |& m
0 J5 {6 n2 l, i/ Q6 D, n
setup-plot23 S# j! i; g- i
( o7 h' \5 d" Psetup-plot3% o O0 Q0 U% p9 `* G" Y+ D
end
/ V% _$ J- m: E* a* }
# x1 Y& Y, A# M# [;;run time procedures: K8 g* F9 a* K; Z
% a+ d7 o$ [% k9 b; F" kto go5 i _! S3 r( b
+ C# P* W8 @6 h& X$ R
ask turtles [do-business]# k* O( `# e5 u/ Y) q7 W, [
end
( G% H, U4 `: \8 `; J4 o
0 y/ m) e* N; m E+ `" B nto do-business 2 ~. a+ U' G0 D( _. E- r* |2 E
& m: ], s0 p' j" p
8 h( e/ B' g* lrt random 360
, x5 j1 Q3 z8 |, g* \/ Q5 s! [2 H# w3 _# j3 p
fd 1
, V: o5 a& q7 t) W1 [1 s, D: w% p& v0 R, _) j" a/ ~. ?; b+ L
ifelse(other turtles-here != nobody)[0 c' |$ ` I, z& Y+ I
: @3 c8 d; }, u' Pset customer one-of other turtles-here
! s% I% T& f4 ~- P% C8 s
0 H; W) E3 q+ t. z& D1 g( f" o: ~;; set [customer] of customer myself
+ G# S" M2 ~! k/ y+ l7 f, a4 b) b" d5 }& O/ C W
set [trade-record-one] of self item (([who] of customer) - 1)$ \6 E6 Z* @, `$ P, d: V4 }
[trade-record-all]of self. s( B9 z' u7 e; J% F: B# c/ J2 d0 }
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 U* j g6 n$ }' g7 p. A; Z
5 L3 k0 `/ X0 }/ l9 N+ A- M- K
set [trade-record-one] of customer item (([who] of self) - 1)
, _: r* H$ {7 r! _2 m! s$ L[trade-record-all]of customer/ W6 N6 _* H: H I9 G) y& p
% T0 T8 A2 Q8 C4 Z0 M
set [trade-record-one-len] of self length [trade-record-one] of self% w% v' p: [0 C: B- H3 _
* u& D1 L+ ~; a3 o4 jset trade-record-current( list (timer) (random money-upper-limit))- K4 u+ Q" J% L& G, @7 c {
! E0 y: ]: F9 ^' Kask self [do-trust]
( x- Z" I% k; |3 s: j. G- l;;先求i对j的信任度: Y v$ e3 q+ C6 C/ T
' l# O% l" u9 n! W
if ([trust-ok] of self)1 A1 u/ H/ b# @" B% f, p
;;根据i对j的信任度来决定是否与j进行交易[; R2 p( w& S/ }. X" H, G. o
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself, |8 A# _. D& k/ w) i
, s: v c% s X7 D* u
[" }0 K: r7 g6 N
. L9 T* c: L: O7 l" e/ K! E
do-trade
* b" X' S; i5 w- c1 C. {. r `( E3 K2 N7 h- m$ q/ B* {, q
update-credibility-ijl. r1 ^ n7 n: d" ~
4 ~6 p/ S! a; h0 v9 f
update-credibility-list" w2 S- e& X* y
* y# N. p( I. y# J- s
! H2 X# b) C& U, A1 Z+ _update-global-reputation-list
+ h9 h K; P- v; e& y
% a0 ^0 M% `* y4 D" `/ ^2 {poll-class
- x: U4 @- L+ ?5 i/ C
; p5 S. L9 M" m% Oget-color
4 T" o& C2 n; U: ]/ U) m
3 U j; D/ W( b# A, u]]0 u( {2 p( p. K/ y# w' D6 E, D; N1 ?( c1 }; F
0 k x8 _: ?- k7 @0 ?" N0 A. U;;如果所得的信任度满足条件,则进行交易
$ R! k3 I7 z- p d- f9 W7 o. x$ B2 W P
[* h& T5 J+ {6 [( Y7 c
6 q1 j2 z. H. Y6 T. w2 Frt random 360& [, ]! q$ ~2 @4 \
- { P0 g1 u9 B; g) lfd 1( D0 ^5 m9 R' S- ~7 F. t
3 j: Q/ {& n4 a) z
]# p9 B- F* Y. r9 y: t. p5 L
1 g% B) m5 r# o5 H% D+ send
% ?$ N2 L. ]+ R. V; p4 V6 Y; i; Y% l8 A! q+ e# c z
to do-trust
/ v; x7 |6 d3 E3 z4 m5 Vset trust-ok False
. s y" ?- |% @8 n* k1 X7 @" Z+ r
7 Z7 X% {8 ^, d# P5 p& @- `) h. _0 {1 P9 K2 |
let max-trade-times 0# } \7 u5 m9 w" s% v
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]) J1 ]; z: R/ w! w* \
let max-trade-money 0
9 h* X! o9 O/ H# G. X2 ~! kforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]3 m: f& L3 f9 f/ ?( }
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))9 |5 c, L5 L2 h7 x1 ~
; c/ l5 m* R% e. v* s: c5 `
% I8 q& T- y9 ^* g
get-global-proportion
6 [. S2 Q0 B J# A/ H- M. Ylet trust-value
" y9 T7 @) N! Q% I) d5 |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)4 c/ j A: E# A+ g1 d7 L
if(trust-value > trade-trust-value)) j. u# E2 m. B L u
[set trust-ok true]* G+ e5 T8 O5 Q5 g8 m
end
$ U8 L: Q0 _6 k
* c$ O& g2 J5 l( x/ i% o8 Eto get-global-proportion; Z# g! {3 H" Y5 B$ L8 e) v
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" F6 `) p) W- `; {! a8 ~
[set global-proportion 0]
* O5 h, v S3 r$ s+ _7 j" |/ C[let i 0
) e0 u/ ^# y: A4 m6 jlet sum-money 0
3 M& {2 B0 x( T3 r; wwhile[ i < people]
/ p/ K* D, R) j[- K- ^8 @8 N2 D: s8 U; u
if( length (item i
1 `5 V2 }2 t ~2 t[trade-record-all] of customer) > 3 )
7 w+ D7 ^3 u3 l9 k. Z+ q6 ~& T: ^[
2 e \; W6 n' _( Q+ Dset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
- H* f: d9 [2 C+ M$ G]( g; h t8 y+ M+ y
]: _) Y5 z$ `7 C6 y- Q
let j 0
. t8 Z4 r* [* d9 L- a4 u0 K) [2 Ulet note 0
: q# M. ^) J) {& n6 Iwhile[ j < people]5 B+ r' `4 n& Y
[
" e& F9 l$ E t$ d" gif( length (item i
3 j Z& n' Z; Y: k: w* j[trade-record-all] of customer) > 3 )9 C. a* b0 ?' A, L2 {( V
[3 @% T$ `: K. S2 o. @+ L
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)" `1 f6 s2 O# `- R K; q
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% V! Y4 U/ [; M. q( ?! M
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]4 y0 {; D1 [+ h" T5 `
]
7 [, W1 k8 L* r7 |& g5 |]
" M+ g$ \/ i, @" C* Y# u% L+ pset global-proportion note
' t3 R. u( J N* E# H$ W' P; F: G]
7 f$ O: H1 }7 E8 a% H+ jend
1 {0 Y8 u+ U0 {2 }' t( v0 [7 C6 F8 K: P' N' ~
to do-trade! i! A( \ [; h
;;这个过程实际上是给双方作出评价的过程
" J% V+ Z: N% r: K4 R5 M/ xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价/ K0 U6 R9 y0 ^) g
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价" t* d0 r7 Q# M/ f6 _/ {
set trade-record-current lput(timer) trade-record-current
( u: v' Q: L# Y1 q! }) Y1 R1 [+ q;;评价时间! g8 t6 a5 a$ I
ask myself [, }& f j3 a1 ?
update-local-reputation* T: v4 C/ p/ _
set trade-record-current lput([local-reputation] of myself) trade-record-current; X+ g5 E0 d' A' M# h/ h
]% u% C' m- D+ k4 s7 v
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself) K: `& t$ c+ S, m4 p/ K
;;将此次交易的记录加入到trade-record-one中
9 T2 h8 g. O+ z$ t- p( [set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)3 x' a; L. [( \" E$ \! e- W' P
let note (item 2 trade-record-current )) s3 ^; n" F# ^7 j* u) H* ?- U D3 W: I
set trade-record-current
/ o* A; m9 ?: Q$ T+ O(replace-item 2 trade-record-current (item 3 trade-record-current))* Q6 q4 p+ i) j% ] B2 C
set trade-record-current
8 z* A6 H7 L+ C0 `(replace-item 3 trade-record-current note)
$ K" `/ Q& n( Z- c7 B/ O$ k& f: l8 ]4 c# \: W: |' A
# t. y- @4 K: b+ t: z. ]8 v F( E
ask customer [0 A E4 g! z6 C. f8 u
update-local-reputation" e5 h0 W& T: G }4 |( Y
set trade-record-current
; }2 e- h4 w. `5 h4 F J6 M* \7 c3 p* Y(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
( u& w; H$ q# Z e( K]+ G9 j2 S, Y1 a' d' n5 p ~
3 n4 l1 B' k( Q6 M
' U5 z; L( P ^0 P, jset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 |2 }# o& V! `* k) e) W6 F9 Y/ b. J7 C
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! g+ q# D' i4 D$ c$ @- \: [% u;;将此次交易的记录加入到customer的trade-record-all中5 B9 A1 L7 ` z9 h
end4 @. G" V E* C
6 y8 M6 [: v! i# w0 R- Gto update-local-reputation
' {7 U# V6 C+ b: K6 Z, ~" Jset [trade-record-one-len] of myself length [trade-record-one] of myself2 n4 r2 L! u6 _9 V: E
/ P U! G3 G7 Z8 @
! u1 Y" e0 H! q8 i;;if [trade-record-one-len] of myself > 3 : S# W7 l; X2 H% a' i* V! G$ w
update-neighbor-total0 a# N. U0 T; o) V. S
;;更新邻居节点的数目,在此进行. |4 O9 q$ {$ Q: O. h
let i 3
0 i/ q2 I2 f1 klet sum-time 0, b8 l: a) ]% Y) h4 @
while[i < [trade-record-one-len] of myself]7 ~8 D8 J; z6 L) Q
[
# n- f: Q8 W; H6 Oset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): [+ r8 G. G9 Y4 v& J' {
set i
) J+ l+ l1 I$ l* o$ l( i + 1) s, T* S) J* v. Z: g
]
) _: I. s( V. w: `7 \0 |, Rlet j 3
8 c" S1 Z e+ T, i% Q7 u$ H; hlet sum-money 0
( F0 ~) i% g* Vwhile[j < [trade-record-one-len] of myself], N# ?: L7 }8 i% v0 G6 m
[. E' B7 {9 g; y$ Y) E& a0 l
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 \& b* R' X/ V6 Z2 a/ b4 F1 xset j( P9 S3 c+ a' |) I& Y M9 ~
( j + 1)
- ^# Q# {, g5 A& f9 P" Q]
& n* z; `, r* R# i0 ?7 \let k 3
: Q! @; |! @/ ~5 Y* d0 C* a+ P% ~let power 0
. Z/ G) b" p7 elet local 0
; ~# H& l# d+ w( g( g: h2 Z& hwhile [k <[trade-record-one-len] of myself]
$ P4 X1 [) Z8 L; T[
) D& u% M) T& H) M) yset 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) . T3 ?5 i$ Z+ w( ~
set k (k + 1)
4 \8 T: L* F& q, [/ F: A]
9 \: B, H, d4 K0 q* Gset [local-reputation] of myself (local)
1 `! j( |, i% L$ F% D0 U: Rend; `" B5 K9 I, o9 e7 A7 {: ?
6 z, n0 F l, R T( N5 g
to update-neighbor-total4 M- ^$ a# t o( Z' m- D! M8 D( x- @
9 V4 L& U! o6 S0 d# f; k* uif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]5 }8 f# i( V3 I- r
6 ?: i, f' t3 b) n1 H* W8 n
1 d' Y- l9 T, S$ Q0 i! x: ]end
- G1 p. \; a- H! T8 [
c( B) j$ b# m* Uto update-credibility-ijl
2 I4 e) I- c: `( O; y7 s# p1 d: i+ [! i) G
;;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。
$ c# i: ^; V! [! a5 Q6 hlet l 02 s0 j6 v0 D8 m Z& h' d2 f) E
while[ l < people ]8 p0 k$ g/ [4 {* o
;;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
8 B6 J# g+ A, h$ Q O[7 s3 s' \* S, E/ p0 N! s( @
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
. c& r Y9 ?5 H1 p1 mif (trade-record-one-j-l-len > 3)
" d1 {2 t2 S* [7 q# z1 {( i# m6 R[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, V b, s# `2 X% ~
let i 3+ e2 r- v8 t- @5 \
let sum-time 04 l; m; O. y+ C! o+ [. f
while[i < trade-record-one-len]2 L4 R6 d- _" R; Y
[; W4 r" a' x h0 y" N4 I
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% ]- E# h D0 Pset i
) f, B% C+ l1 n6 B+ g( i + 1)
0 W4 d% m/ ~9 O' \% z, W0 ]1 ~4 P]
* c7 x4 P' v2 z+ plet credibility-i-j-l 0. e5 C& y" K1 {/ A& Q* {. V
;;i评价(j对jl的评价)
! o1 ^. ?7 P5 Mlet j 3
9 x2 m* Z7 l6 g$ |5 u/ flet k 49 A0 S8 n0 ~+ g% s, d
while[j < trade-record-one-len]
( c9 X. j+ T f/ K& }[0 F& e5 i5 V# w) m& J) N, W- B
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4 T; v6 _! m1 ?, b4 K6 Q( m8 c
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)$ Z L/ t: D. z: q
set j
, R* ]: a% G0 P% f7 F2 G/ a. R( j + 1)5 u) r) ]/ }' [! o
]/ R9 ~: ?3 e {! ~& X$ |
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 ))1 B- s( j3 d( W
4 E" o! P$ o& W u, E* J, B$ Y7 m5 B) s$ x- A
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))9 W* `0 c1 }8 v/ D
;;及时更新i对l的评价质量的评价
& j7 p/ b; k( Rset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
. X8 h5 O9 L# G/ {8 ~set l (l + 1)0 Z [8 O# J% u6 y! @1 O! u0 A v
]: e/ H$ [$ Y- K( a3 B) q; M
end
; F R! i& s5 I _$ [5 X, [) h; ~: o& s' v/ o% F1 Z
to update-credibility-list
( I; `% y2 a. T _let i 0
, _/ E$ p: c2 D# Swhile[i < people]
$ x) J% R" c& t% ]5 v. k9 t[7 m0 H4 @4 ]$ N' {2 k
let j 0
1 O" i4 g8 v0 f/ N1 A8 n$ E& Ylet note 0
5 `" j3 B' C0 P( @let k 0
" i" {& X3 S5 j! x;;计作出过评价的邻居节点的数目3 b3 Y- x; e$ g$ @. C# D
while[j < people]' s: Z* [0 x" }& u& U
[
5 e* i5 W* B8 ?) C& k% r* Q+ O oif (item j( [credibility] of turtle (i + 1)) != -1). R) M$ V6 \& C, H) S3 U
;;判断是否给本turtle的评价质量做出过评价的节点( a7 o- Q8 X; V7 l. ~* n: I; Q
[set note (note + item j ([credibility]of turtle (i + 1))); u3 q# D, `# A5 X+ S M& u# q
;;*(exp (-(people - 2)))/(people - 2))]" Z# d5 p* B- p) V2 U8 b! z
set k (k + 1): `4 j- n q1 H3 S+ }/ Q& P0 ]
]0 f: K8 p/ z: y: a( J
set j (j + 1)1 M# x/ b5 S" D* a, `6 ~
]: g* |; ? r, a7 M( |' [ A% e# a h( u
set note (note *(exp (- (1 / k)))/ k)6 x! ]( B& v) B- A6 b' o
set credibility-list (replace-item i credibility-list note)7 H* m) [: O H/ \& ~
set i (i + 1)
7 j# l @. U( Z$ `2 B) ^! }]( E% u: r: X/ |, C; L
end5 Q) e3 y |. a, R9 `1 B
7 B) E+ W( S( W. i. _
to update-global-reputation-list
+ Z$ r% p( ^* M& E: h( tlet j 0
) z9 C# \6 X8 v: m' Y$ o$ ]while[j < people]
1 F( c2 Y# r& [. l[) J% V$ I! R8 _- ]0 p# F
let new 0
/ u1 U, H# p3 b2 Q: o;;暂存新的一个全局声誉+ x1 ?! T, ^" P7 Y9 y: Q
let i 0* X w# D4 d, Z3 `# `/ e
let sum-money 0' t( P8 C# Q5 q5 x) C
let credibility-money 06 v: l: r5 T5 K. F2 J4 z' ?. A
while [i < people]* r0 `. G) j) f
[
- M/ Q4 H' J7 [7 {set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
# j B) k, w# W3 Wset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) }; @; _" R* ?2 t! Vset i (i + 1)' F8 P9 d; s: q5 h* e' |& ]
]- o) B) v8 V) w" ^
let k 0# Y: C; ^3 p) N9 k+ g2 O% ]
let new1 0
) F! w2 D, L! ^- [- V, zwhile [k < people]
N3 ]' e, n n& h7 x8 Z6 u' C[
$ q' |/ S( U. k) y1 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)( M/ ?' A% Z& H' v" C, X
set k (k + 1). j H# U, o8 y, o
] b5 y. x5 ?/ Z/ x: |
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
9 t+ o0 m0 J: t% v: ^0 `6 Yset global-reputation-list (replace-item j global-reputation-list new)
; ~1 P; ~, [! x8 Gset j (j + 1)) M$ ]. \7 J6 I7 v; t
], Y& D# j; Q7 w7 x! z0 }3 O9 f
end6 @" B" v7 g X+ Y4 t8 t
8 m6 a3 b b. a3 [$ `5 J; w0 `# I( ^, g% m1 \ i
9 z M5 M6 g4 i8 Q6 N
to get-color5 X2 F2 g! K% K7 u
; s0 @: L/ O' \' o
set color blue
% [$ G! C- e% L) Uend% E; M. z+ z9 _9 Q- G
2 |$ q. h( f, f/ m, ?* D& H
to poll-class
) n8 P. v& {7 s* j: ~$ send
7 N( @" [! M4 B) J$ z5 O9 k+ s! _! j
to setup-plot1) [1 J p1 w% Z4 D8 N( L1 ^
2 J% L3 x% d# T+ i$ l
set-current-plot "Trends-of-Local-reputation"4 K) l& n% Z$ |' w
: }1 ]+ K$ U6 uset-plot-x-range 0 xmax
7 z$ ?5 j% m; a( u
3 g% n2 P* n- ^1 o* e0 Kset-plot-y-range 0.0 ymax
: Z0 C5 o' v! bend: s8 V" s+ \. y( }. t. I7 S
8 p8 T: b) ^4 P% G/ q* C% t3 T
to setup-plot28 L1 H: Q' T# T- j: F
# Q4 t3 f2 O4 T! lset-current-plot "Trends-of-global-reputation"
7 a+ U, V6 g$ Q' q$ P9 j3 v I6 p+ @/ k
set-plot-x-range 0 xmax& Q& m9 ~1 t2 U; W( M7 q0 L
% O/ k; W) r* V' T( C9 E
set-plot-y-range 0.0 ymax
$ d5 F* w( x- d; ?end
$ Q! N& z; j$ c4 L% l
8 v. R" h' I7 }; r% dto setup-plot3
$ z! z7 s( K) o2 j4 F
4 X; L/ q. f$ }: nset-current-plot "Trends-of-credibility"
3 a7 D# f+ M5 S8 k( X2 K; A s' l" D
set-plot-x-range 0 xmax
/ w7 \; r) o2 y3 I. e j3 x) ~: `: {, ^% \
set-plot-y-range 0.0 ymax' m7 k9 P: Q, b- K' ^
end- g+ W t1 Y T7 k
/ v o4 C! A0 K Q- V0 nto do-plots
0 V0 y) K1 T7 \" a4 x9 ]0 Fset-current-plot "Trends-of-Local-reputation"% W( j4 U. j0 X6 U
set-current-plot-pen "Honest service"+ r) R# y5 u# Q
end# Z- y- F( F- ~
9 t! M0 r2 Y# T/ o ]4 _# u5 H/ c
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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