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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
5 E5 c$ C- K3 J" Iglobals[
+ M e: o+ S% ~xmax
. b2 p( ?' w) |0 ]$ J# R& d( Eymax
8 @# C7 t4 Y Y* Z; uglobal-reputation-list
! Y& K! N8 {# v: X* w* {( |5 Q2 h' d% W y% u
;;每一个turtle的全局声誉都存在此LIST中
- D6 i; w( O. A; Ncredibility-list, K$ ^9 V6 } e$ \% }
;;每一个turtle的评价可信度
. h% G; }& V5 b+ x. Fhonest-service* l5 H0 A0 `5 |
unhonest-service
' P8 D) P, t/ }: s" ~9 j; J5 b- ^! Noscillation
5 \' V0 }) J4 E' ~rand-dynamic
3 u5 T4 X* S1 a6 ]4 x2 U]
7 Q" J7 i8 E, X: O9 N% o8 g
# l$ g1 e/ z# R( h; n9 M0 xturtles-own[
; D8 B; m2 E. T& y- }1 ptrade-record-all
1 S7 F9 [; |. K+ u;;a list of lists,由trade-record-one组成
/ X0 l- t, M4 t, f" r. gtrade-record-one
7 t* q$ W m. ?, r;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录' e: `; M& g, L( R, |$ L
/ p6 J0 j x6 ]% l4 Q6 J+ Z;;[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]]/ G( G5 }% g3 ]# j# s+ Z* m
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]# |# ^9 \$ @/ R( M% ^$ s2 ^' ^
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! Y' R$ L# M, Y6 ]- z
neighbor-total# X2 {* U9 ?/ f7 R* C4 J
;;记录该turtle的邻居节点的数目
% Z2 D" x4 g3 D% ztrade-time" ~; s5 J7 f9 ]4 Q5 U4 z8 h2 A# Y
;;当前发生交易的turtle的交易时间5 _5 V% M, f" N& l
appraise-give, F+ w3 h! S' K
;;当前发生交易时给出的评价0 Y2 ^0 T' s% U% J- i, s) G
appraise-receive
" j# C5 X- @+ h: f;;当前发生交易时收到的评价2 {8 r ]2 ?! n/ r/ a
appraise-time
4 a2 A' c, P& b8 a2 `5 L;;当前发生交易时的评价时间% r& S- N$ G) l5 J* I
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ ^4 e# j0 z7 ~! y8 G2 q$ w! ntrade-times-total5 j' \1 L- {& o0 o9 s
;;与当前turtle的交易总次数
2 P6 D% {( j$ p* ~" s/ \; wtrade-money-total
, p. ?- l/ r* t9 g# M1 k6 ~4 U0 O;;与当前turtle的交易总金额7 F# Y. e' l4 C1 |' v/ \4 K# k, p
local-reputation
* Z, K" W ~ Q, p$ p- eglobal-reputation$ S0 {% h: V k9 _6 e
credibility
6 L+ V( l3 s- r$ ^0 I' T, U0 r;;评价可信度,每次交易后都需要更新
# I, ~( L1 z% b2 icredibility-all
3 |& j% e. d* {' s* 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
% c, O( r$ `! x% z
( L# u6 z; \: U, `* L;;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 a( k9 o5 y7 g! o1 l' E
credibility-one3 n; ~3 c4 n% P8 O/ X
;;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
) ^! W5 I0 O# j! hglobal-proportion. t3 v6 _' j" D) i" @& {
customer( o; g9 r- |' k+ n. T3 q
customer-no
$ C! q0 n% n& Ctrust-ok
8 {# j/ _% i3 {trade-record-one-len;;trade-record-one的长度* o9 x6 _; P* N% a
]9 _* m. s+ Y: k9 p: p' \' d4 A
5 T6 W1 M6 B* Z o" M3 N. C6 _9 v- E;;setup procedure) l) Y& {$ [8 R. f, d* Q
6 }& b1 h6 P3 D, U
to setup3 V( a2 M6 I8 Z6 Q! W. N
Q5 U3 f4 o# R0 d
ca
( B5 {; y0 v9 }4 s6 ~5 Z
# n6 d1 I" Z) H, _) Y! i9 S5 Kinitialize-settings
! b) J3 P! G: P
; w% W5 H# ^! V- `& \crt people [setup-turtles]; z y9 _7 W9 m0 D" F% \8 x, J3 L
) m0 q% U# e: x Z7 a4 h% Y ~- areset-timer7 i. m$ ?% ]3 P3 b
8 l' i& C0 F/ {7 r
poll-class$ n1 ?0 \3 S( ?$ ]5 T: t2 o% u' m* Y
7 y- K0 h$ N& O& C; V6 W$ |
setup-plots
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do-plots; Y3 s; w0 X9 j* v$ S* C$ r0 \! O
end( L6 d2 {' e1 N+ `/ z
/ T6 L, C7 d" Rto initialize-settings
, _2 Z" V1 ^* b% z# w6 K$ B% X' d; O% X4 C- V2 v6 {. \) h
set global-reputation-list []
# ?# i6 R8 R9 F# |- h! `" _6 F! E0 t6 H. O, v
set credibility-list n-values people [0.5]
. n# E1 j6 s/ f) x* y. d( b2 d: Z$ G& V, [, F4 y- r
set honest-service 0
6 e' n. R8 R1 ?7 t& K" M# K: R+ E
$ x7 v% v0 x- \, fset unhonest-service 0( y2 ]1 I x \( I
* J9 c& R" S3 z+ A4 E+ A8 L! r
set oscillation 0
s' ]$ m) x. W4 s: y9 A5 [8 U* V5 `6 @2 q
set rand-dynamic 0; q1 B: ~8 ^3 k( ^% h/ I
end
) a, R3 M( _/ B {8 h# Q: ]2 B! G+ v9 j) M0 f5 H9 z2 a
to setup-turtles # J% C* ^" b$ } R
set shape "person"
% a. T" I8 P) \4 K5 f1 T) M) R6 ysetxy random-xcor random-ycor" ^9 L1 ]5 a4 O
set trade-record-one []8 X( n0 H6 l* E ^, Y2 N: q# f
) Z* N" @0 m2 ]' p
set trade-record-all n-values people [(list (? + 1) 0 0)]
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0 n$ Z: P6 Y8 d, A, o+ Nset trade-record-current []! |; y S% G, E) Q- u( l+ |8 Y
set credibility-receive []. n, i' n/ B; Z6 m {
set local-reputation 0.5
; P+ w% I% i6 f/ [1 J8 E7 M0 f& g, y9 qset neighbor-total 0 z C- @+ p) b8 \
set trade-times-total 0
, v, E' c" d' z, @& Nset trade-money-total 0
+ |! U2 v0 m8 v! h# k& @set customer nobody
5 A- N6 ^9 M/ E' {: H! wset credibility-all n-values people [creat-credibility]
4 ~, ?) V! W$ B% z2 j8 Fset credibility n-values people [-1]
/ T. o1 ?7 N0 J3 }" e9 Gget-color: h4 Q" m5 d3 k
( t# p0 a( Q# k
end
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0 i* K3 q- \$ l3 w; qto-report creat-credibility8 h0 X$ U4 o @9 N- B
report n-values people [0.5]
9 E K5 |) N) s/ zend
$ D* t. K. o- c; z4 T8 x1 h8 ?# |! s, {; a+ \. M; x+ Q6 _
to setup-plots1 }! a1 b1 s3 J9 c* L
# `: q" l% S \ i5 s; L o2 ^$ aset xmax 30
6 X, P. T$ k; Q% o9 ^" J I5 f& D! H$ y2 G8 V
set ymax 1.08 h9 v: _! ~+ o" T5 B3 S0 v
, N! A/ h" B1 F- W ^: c9 S7 Sclear-all-plots
2 ^6 N* G' c( i' k, G- B; {/ ^( I* E7 _
setup-plot1
: Z% \+ B* ?/ O* T" u
) s4 K. |4 ^0 x; H( d, w- z" V: Tsetup-plot2
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4 D! n0 y, T: i& c+ Zsetup-plot3: G& h1 i9 `1 \5 f4 z
end6 ^( F. }+ p* H, i; b
( q/ z* O; E, b P7 @* z, S2 z( X
;;run time procedures
; t. P7 R% g, F# e0 @5 W/ k6 W4 A _6 `+ z% [1 _
to go2 C e% ?9 `7 y* P9 j
* e% H0 d; @3 K. n1 o! U6 f8 z Mask turtles [do-business]# S: X2 e$ a. L7 W( H g0 i
end% p/ H! |5 M& j( e+ R- K1 n
: v- B/ g8 c; z6 C! G
to do-business
s! D5 d7 B+ [
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0 J, X, a9 R" x# K( ~rt random 360
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fd 1
* e Q" L% o* v+ l
3 G& g* E" A' D+ m$ M- Kifelse(other turtles-here != nobody)[
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# \9 D X+ D1 C E0 i5 nset customer one-of other turtles-here
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;; set [customer] of customer myself) w3 ?8 n3 g4 ~, j
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set [trade-record-one] of self item (([who] of customer) - 1)
; f9 w! c# O8 m% e1 A! X1 v[trade-record-all]of self# T6 k8 v; A7 X6 |2 X; s, S
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
/ @; t# J* E" m( ~% S4 e5 I) O" [8 a: g1 M% S) m- P. S; {
set [trade-record-one] of customer item (([who] of self) - 1)3 b3 ^2 h }5 x- `% j
[trade-record-all]of customer
& ^8 S5 |1 B( K
6 U5 s/ K, d' t e. L3 uset [trade-record-one-len] of self length [trade-record-one] of self
& Z7 a5 w6 A* Z1 d; Z( ^' u V( ]1 X" m. T' |2 ~* {% {2 i3 `( c& u
set trade-record-current( list (timer) (random money-upper-limit))
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) |! f( ]4 O4 k, a: hask self [do-trust]5 q- p4 H& l. e) l: L/ |
;;先求i对j的信任度
. m9 P9 }1 o& e3 U9 S+ H$ M, ~
) a* k; Q- i, ^. D- @) O' @" Hif ([trust-ok] of self)
( M1 a- Z0 C3 p2 t1 I# ^3 h;;根据i对j的信任度来决定是否与j进行交易[
- p$ |4 |# {1 v/ j4 Sask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
+ Y2 E5 W/ I8 e
) o, ^4 v; p& c4 M' H( ~5 N[5 D2 _" J! k7 R" p6 M
% h1 ~& ^/ b, J. O# { v
do-trade. j2 W0 ?2 z# U3 Z
7 m# S+ o1 S7 j$ K. |update-credibility-ijl
9 @" @- [+ L1 J0 [
: H( @ B* Z# } Q) o. Aupdate-credibility-list3 Q5 c+ y4 J, s6 g* J* O. @
# F9 b/ E5 Y8 q4 z, w, Q& p3 R
8 g4 q' Y7 u' F" h) X) i {' \update-global-reputation-list& {& x. |- p3 S' K, ~& F f5 }8 x
+ |. f. y* V5 }, E+ J8 Z
poll-class; G1 j. b" B% R* T n& G4 y% w
: j3 f3 [& g* Z# |# Vget-color
. P3 n7 y! E9 |3 I7 e
; ?6 u- b7 J1 D]]
- t- [. |5 `* q9 @* T. T J- [# O
;;如果所得的信任度满足条件,则进行交易6 m7 C- t; d2 k1 u; G4 R
) u5 j a' {' \) \3 ^, z% ~[
9 C1 n- i) o4 J3 O
) ^7 g( r. Z8 _7 V" Grt random 360
2 ^) E. j# @3 \3 m. G
! \' p1 |2 l+ _8 W) }& ffd 1& o/ N7 V, ^7 I4 k
! O2 q2 z4 c$ ^3 i j- j]
6 \& P9 i) ?3 b8 f: G
, w) p( P( t" [! c4 q( u+ Gend/ E# M5 k& C, d* [% X* o
3 O! b9 X1 a8 C* g% K% `
to do-trust
2 z& w) J5 _7 w+ I- s0 a8 u" p/ Vset trust-ok False
$ @* B5 R) S8 [2 C1 v
9 ~" K4 f" m) X& H' |+ n! {5 m" a8 L- L* I/ Y b
let max-trade-times 0
3 S& n3 Z/ T& g; s- Rforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]- ]; ^ P7 E a, O# I$ t& L, E
let max-trade-money 0
' k3 {8 @1 E6 b9 C y/ {foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]& a# ^, R) L: T7 L% U
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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+ w0 m& H; g; i' ^/ H0 X
& h, [( }) Y( s" G- Fget-global-proportion# s" ^3 N J& i$ M! B1 z$ `$ U
let trust-value
" h) v2 ~/ o$ q; `. b+ zlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
) [2 t3 q3 ^& U; v9 n. _if(trust-value > trade-trust-value)1 G# Y& _" a$ d8 t* H& S
[set trust-ok true]
& `; R0 ~3 P# k2 A8 zend
" Z* O/ m) ~! [
- I/ ?- T( k8 D2 tto get-global-proportion
; o! G8 ~! L0 ]" U% N8 u/ difelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)! w' c5 t0 W: _& B" G& M: s$ Y/ C
[set global-proportion 0]
/ h& _1 ?; P/ u, R9 h( |3 G[let i 0
8 t4 x& K$ C I$ a% Z Q# Llet sum-money 0
- b4 T/ l1 h2 H, ]/ nwhile[ i < people]
6 R7 m. B' U) ?% R }/ q' R- P[$ I& C R4 e1 X/ S; ?
if( length (item i
3 G9 o! o" |' P0 ~4 S[trade-record-all] of customer) > 3 )
4 W$ b- y# Q7 X% }' _! l+ h4 q2 x W[
- [& }0 W4 O6 r, kset sum-money (sum-money + item 2(item i [trade-record-all] of myself))% T* t0 n+ ~' L+ h# p
]
: ~0 k2 |- ~% H% F7 s]
; [& p# `' {4 |3 clet j 03 F6 P7 a3 u( \9 ?/ y! w" A
let note 0
+ G9 O, ^9 @6 t) v# dwhile[ j < people]
4 y% P3 T. W) b[
4 h5 K* F! a7 j$ L4 D$ b! t8 y7 e* Pif( length (item i
2 Z& n+ b4 x9 V7 W0 D+ s[trade-record-all] of customer) > 3 )
8 L. L1 X5 K4 C! J5 f[
6 r$ p( D) w7 l. M. D- Fifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
0 |$ \ Y- _, Z: v. v[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]+ ]2 }! e1 w% S3 V, n+ a5 V
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]$ z: d) h1 X/ T/ D, p/ H4 o
]
T. W7 c( J4 y1 ?]
6 A F5 \: a& b% M$ Vset global-proportion note
0 X) R7 Q6 ~; o7 p]
% ^: x7 v- V6 F% uend6 {$ ?5 s; N- V1 p- M
5 n% ^ |1 H; q
to do-trade$ O1 p1 u/ a: @7 l7 a% O7 j. `
;;这个过程实际上是给双方作出评价的过程$ c4 g6 ?; Y7 x3 r
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价1 k; m5 [# {5 D1 j3 s- a& l j
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
8 A! Q! e% A' |# p- k+ }' Eset trade-record-current lput(timer) trade-record-current
& u) Y- |6 }' _; O) w2 b# p4 ?; {;;评价时间. V/ I9 f9 K6 z! i5 Z; o& ` O
ask myself [( U W- O& L; [( ?
update-local-reputation i: H7 m! D" r- p/ i) c) |3 I5 ?2 L' C
set trade-record-current lput([local-reputation] of myself) trade-record-current, f1 N' S) F+ u& u! F, S0 k% I% L% }9 f
]
" i" m' a4 [ A/ t, R+ p% Sset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
1 D/ k# T' V5 t X/ ` }5 s; |;;将此次交易的记录加入到trade-record-one中8 v3 V6 d, R7 v1 l! h
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)0 E$ A! {5 N1 I
let note (item 2 trade-record-current )
* F+ |5 G+ R6 i! v, dset trade-record-current6 J/ b& \' ~% F4 \+ O4 {: [0 n* I
(replace-item 2 trade-record-current (item 3 trade-record-current))9 I; \4 z" ~. _' K- u" u! h. @
set trade-record-current
, g" Q4 C- u% A# x(replace-item 3 trade-record-current note)
" Z: x' h2 d; e% L& }% F; Z: h! |: V4 t- M2 f. [
/ v1 _, b% s$ D7 c) nask customer [; X1 g5 C, u& r2 D1 k" n
update-local-reputation; @( H! r3 w* D- H
set trade-record-current3 o! t4 O+ E X
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( g: A J3 n l* r* K* ~
]
k; l! l6 t$ B0 I6 Q% K; y* d1 [7 y5 R
7 _' @! ]# {# a; G: \8 _3 A
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 X2 d- \1 N$ S. m0 O: e) E- p
* L3 H, C( q: y6 W0 {
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
% _) I8 X# [+ `( P;;将此次交易的记录加入到customer的trade-record-all中" U9 q9 M2 d& f$ ~
end G. [! U; Z! D0 d' ]
6 k# I$ T) ]8 L5 q' L6 N0 ~; x5 x
to update-local-reputation0 ~1 o" X' z) ?6 b, \
set [trade-record-one-len] of myself length [trade-record-one] of myself9 C7 @2 I& f, e1 S6 ]- F
, s# q$ i+ O( k% Y5 D
5 c: O) D) ]! k: c8 w' H, B+ D
;;if [trade-record-one-len] of myself > 3 5 Z) e6 w. W" Y( n
update-neighbor-total: e% l ]* A) I: V+ q
;;更新邻居节点的数目,在此进行
/ H" n: y/ Z( c, Klet i 3) v+ V% D- W3 j9 _" Z& {+ p7 R1 O
let sum-time 09 W _' ]: ]& d4 ^
while[i < [trade-record-one-len] of myself]) R r9 ?6 h" |, |* _' ~" \
[
q* A7 p( C6 Z( W. xset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! B0 P' I: T' M! Nset i7 b' J: q# \+ y5 d* k4 n
( i + 1)( ?7 U" E& M; y
]
7 h$ U2 S; m1 m4 }# Slet j 3
5 j2 Q6 a/ b6 e& klet sum-money 0# F# d/ [4 f% H5 K H
while[j < [trade-record-one-len] of myself]
! J& c. z0 Y( k; E1 O' Q7 U[
( L* G' W" v3 e- t. ~3 Z9 {8 wset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
# ~( w9 W! T3 G6 \set j4 Z. S- m, C' \1 F7 o0 i
( j + 1)1 G ]3 ^; N2 {9 f# J
]
5 [% }7 M6 X2 slet k 3
* M3 k7 W/ |5 C( O: g5 j3 }let power 08 `! q& _, W2 u! v, k2 w! g
let local 0
1 R5 C# e* H6 m1 v9 [8 Uwhile [k <[trade-record-one-len] of myself]' M6 t1 Z2 u5 f" d' m& u7 M
[) v/ V" e: B$ V+ V
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) . k/ x/ U `( t7 u& i# m
set k (k + 1)
( T* H7 B) Z4 x, s]
9 k0 w* {& r: p6 t! ?set [local-reputation] of myself (local)
& j4 y: {, a( f* w3 {! O wend1 t# Y/ b5 |( _, i% O
( S! U) s0 n) K4 K1 ?
to update-neighbor-total
+ ?8 C/ R. G+ P& g3 M. w4 f0 ~
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
& k, l8 e2 G j+ l& {6 C1 E3 M' P" ]. y- |. s: J5 u3 U
, r! `3 _& Q/ U; h0 K. Wend
7 C0 Y% ~9 h ?* C8 o
8 }6 b5 _; n- l2 ~to update-credibility-ijl
6 G7 W1 ]& |# R
. o, X: z, [2 m8 Q7 v/ k;;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。! @/ ~+ c9 Q1 ^* i
let l 0 S0 f7 L) w3 j8 b: w$ C
while[ l < people ]
~2 S, F: [! _4 S5 F. 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. O, W+ t4 r( l3 m! A
[* v2 w9 u7 q& P% Y
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ U6 [# P* I6 w; g( M. D! }if (trade-record-one-j-l-len > 3)6 n" w. a) b2 n' C' Z& {5 n
[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/ e% b5 l [0 k: j) i
let i 3
6 x3 u8 L, t# H0 e V) Wlet sum-time 0& i1 V9 f& g0 `5 }) _% U* C% p
while[i < trade-record-one-len]
! c0 p& _3 P9 x) z. t( p[
" f7 |) v r# p8 u( @; @- mset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ o% F! ~3 c: Y2 E, G4 N
set i
' o- Z) I8 h: L. L* y. O( i + 1)
/ w3 W0 d R K/ L]
# f5 K( X4 F; k- v/ D7 y z* Rlet credibility-i-j-l 04 d0 M; V2 W( g# V8 G
;;i评价(j对jl的评价)
+ v0 H) O6 W* r( W0 o' j) slet j 3
! {- r2 V- _9 l+ H6 qlet k 4
2 w: N4 \2 X$ Vwhile[j < trade-record-one-len]% w8 u5 q: n/ \) y1 U9 t
[) U4 W; a. A0 `0 A
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2 u& g6 `8 p: q/ `9 T) ~* F
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)
6 D/ B) d8 G T W4 W; A3 S2 \- mset j! ]0 L ~- u3 i+ v
( j + 1)
& x# _- ?- I* T3 p3 h/ J- w! H]. t: z; r. J& `! a
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 ))
- f/ z$ t; T: D- H' y8 n+ u8 }6 _' x2 f* u4 c# F6 I- \
$ z4 D3 @. f8 p! g0 g7 b4 ^
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
M- g$ c, @$ R; H- b;;及时更新i对l的评价质量的评价
! C7 }; v: C, m2 {1 g8 c2 hset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
7 @( C* E) w/ J* N# Aset l (l + 1)
: k0 P/ Y/ F/ ^7 z/ d( y" p( ` O]
: i/ @% Z" q+ q$ h2 e0 l) o' q, l0 Oend. G7 d+ o8 K, p) A
6 O7 {+ _* w2 m) H! `- ]" Q
to update-credibility-list
( ~& p) I$ F( B5 }/ f9 \! `3 Blet i 0( G+ x' v9 d7 g) y! r. v
while[i < people]
- m( F/ f2 L( l: ~2 x[
- e6 J8 r3 U& q) R4 Rlet j 04 A3 o# y3 I0 S, ?! ^% a) X+ Q1 O
let note 0
# { _6 q# @3 o9 l" {, ]+ ]; o7 I* glet k 07 @9 C. p4 e- a
;;计作出过评价的邻居节点的数目0 w7 n0 {4 s/ J
while[j < people]2 L# m5 P, g5 k5 w7 V: w/ ]1 j
[+ q; Z( a. v) M$ V0 D
if (item j( [credibility] of turtle (i + 1)) != -1)
2 O) ]+ j! O7 R- f" D;;判断是否给本turtle的评价质量做出过评价的节点+ M [ X7 |! f3 {0 N4 J- v
[set note (note + item j ([credibility]of turtle (i + 1)))" n* L- U" H, t; W3 R0 m
;;*(exp (-(people - 2)))/(people - 2))]
8 V3 D8 O9 r% z% H9 iset k (k + 1)6 n6 }. m f f2 X
]
: K3 E! M" l, g" x5 X7 P& e0 _) Jset j (j + 1)
4 i; Z6 k4 p8 c8 D]0 p% m. n) _, A0 g2 I# J
set note (note *(exp (- (1 / k)))/ k)
) k9 h1 a3 O! c; o. l, gset credibility-list (replace-item i credibility-list note)
1 P6 p, H, r# Y& ]" Xset i (i + 1). o# N; a6 L6 B f) A8 Q* ]
]
& \5 K B- C5 K3 M' C! mend
5 C) Y, }* D5 S" R3 q7 v7 N) h: h- N( e( u: }2 J% Y
to update-global-reputation-list2 w# ~5 u; b# Y$ _; x
let j 0
' @6 G) N+ v: S! I, Cwhile[j < people]
5 }2 U+ l' h6 k% k: [$ L" x[; L0 F7 I- _# a W
let new 0
# M0 M+ Y- m; s# }3 G4 d% _;;暂存新的一个全局声誉
* y& P4 B3 X a- m' P# }let i 0! Z( \. D9 R8 n5 e7 {! Q
let sum-money 04 {" _* p1 {: f& q a3 N
let credibility-money 0
2 y1 @2 y7 w! Z: x" S1 |) gwhile [i < people]' n3 c% s% r/ c$ L8 I; F9 W7 @
[
: n7 q% j) f6 O0 J! Rset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 A1 U7 d$ S5 T( ~4 h5 I
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))( A: W/ @ D5 S# r
set i (i + 1)
9 y/ N3 S$ u Q5 E2 q]
% i, l+ [( j, D- f- \; S* f" Llet k 0+ [- R, [3 L! L; a. E. n
let new1 07 q( E8 {6 p' v/ J
while [k < people]
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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). |" F7 n- e8 Y( ~. ^
set k (k + 1)' e( b P3 M, q& g8 {. r5 F
]
- |, {7 p/ W" H4 R. P7 y- A& t6 aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 1 t1 ^' k7 x9 n! {" w' q' `" `) B
set global-reputation-list (replace-item j global-reputation-list new)
9 y" N% }- K* S( e, M6 z0 pset j (j + 1)
: ]$ }+ G" h3 Y4 e7 O, V0 w8 H4 _]
) n5 e- f3 p0 X. r! Vend
& d9 d/ s& o% G9 q" V- ~0 J- x
2 z+ k5 C1 `( ` n4 }) l; x
1 |( a$ j) w6 f" s/ U3 q, Y( c( F r/ v: {
to get-color
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* R$ ]* V$ X; m$ oset color blue* y/ S0 V" V3 G1 R' @
end
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3 `- k, z- }6 T* v+ L8 k3 d5 v Lto poll-class
1 E: ^3 a& N7 mend
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1 e% a. t' R0 A, q4 X Q" [) cto setup-plot1
$ o% i* |2 b/ B7 O& _
5 K% [: e* U; a: K* v& K; kset-current-plot "Trends-of-Local-reputation"0 a0 K$ N) R8 p! z2 R( x: x0 K( B
n; _9 N' [* X4 \
set-plot-x-range 0 xmax2 K% E6 d, Z, R8 K3 A
2 c5 S$ C, Q+ A3 R, c. ^: h, f Pset-plot-y-range 0.0 ymax
8 Y, J" k) M; j9 Aend! `/ b( e2 B" L8 T7 c- x6 f
3 ^ x$ N. R# Dto setup-plot20 v1 g9 z1 v; f- {! Z
, ?, e$ G8 E' V" ^' s: T( f& v
set-current-plot "Trends-of-global-reputation", I8 O9 j5 q& ?/ \: o
6 s: K X3 [1 G4 \2 J8 r$ {set-plot-x-range 0 xmax
2 ^3 N- P, i# X) f+ l
2 _3 n$ g# k% Y2 N5 e/ Cset-plot-y-range 0.0 ymax
6 V1 P7 g6 p# E! O) z) _end
; \0 E& i, w1 ^- ~! C4 E
) b. ]5 m" t8 ~4 c. ]: z, sto setup-plot3
2 r2 _, u9 w' n( W. t! E5 U
# b* Z+ u0 u' Z# |4 W5 i( @6 r" jset-current-plot "Trends-of-credibility"' x, G2 @# R9 }5 @
& {) _6 b7 n( ]
set-plot-x-range 0 xmax
e& ]# O; g9 N3 f$ d% x
) ~3 O$ ]3 ~/ z) ?1 b, ]9 `( ]$ O9 oset-plot-y-range 0.0 ymax! L2 b* ]- d& ` `3 n+ f* {
end
2 [: @8 M( y- |& o( Y+ N; o6 f2 ]* @
to do-plots% t9 B# ] d! J" Q) t; w
set-current-plot "Trends-of-Local-reputation", }. u8 ^8 T* |1 t" a# c( \
set-current-plot-pen "Honest service"5 v, H! c* c( `. I- `
end4 ^4 k2 E" t7 D; [! C$ o7 O
& P+ h' H- o& b- M0 T- b, O[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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