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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! A" Q* `$ I& u# Y0 r; g6 r# m
globals[
( |! j9 j$ z, {' p! ~xmax& N2 O2 `: q1 s; M& D- _0 `3 Y3 C
ymax
8 u: [! k: o) U0 [* b9 L3 x! Wglobal-reputation-list' @0 w: {+ U9 r, [. g% d
! `0 Q, n! M: x C- Z
;;每一个turtle的全局声誉都存在此LIST中+ Z+ |; \" [3 e( k" V1 x
credibility-list2 s6 o+ @5 |& O0 v. K
;;每一个turtle的评价可信度
c- h0 u1 @3 t& ~; X4 q3 a) \9 lhonest-service
% K2 L+ e2 W* ~/ D+ Hunhonest-service+ i3 ?0 y4 f% r9 t8 l
oscillation
( N. Q0 o# F! s/ ?! Srand-dynamic
% z4 i* T* T: s( X; p1 Y]$ b4 g5 ?! I, K! ]' d J% f
) k, y0 b# k! `0 p$ T# W5 f) Eturtles-own[
& u! ?$ `9 n g$ @& Otrade-record-all4 X# Y1 U+ f$ C" J& m% z$ V0 v
;;a list of lists,由trade-record-one组成5 R" T7 P: `* ]: O& f6 O" {* V/ m
trade-record-one" o+ a4 R% Z) {
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录$ [4 `+ ?% h* v5 b. u0 f
, R2 N' l3 ?, T; o;;[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]]
1 P S0 _% ~- G$ _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]
+ ] k, W. S- s' y5 F2 @, mcredibility-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
, I9 F+ K# ]: u& tneighbor-total* P* {, F; s& C8 E. M
;;记录该turtle的邻居节点的数目0 q A& L3 ~9 s& a. A% L8 S I
trade-time* \/ a% K0 o i& \/ z
;;当前发生交易的turtle的交易时间
, L, [- I; I4 Lappraise-give
6 b1 A' h' a0 b;;当前发生交易时给出的评价
$ Z' \! G( v) sappraise-receive
5 \2 j! d; W$ G M, ^;;当前发生交易时收到的评价* {0 e# Q9 z! U# {
appraise-time
. F& n7 N9 v, h0 F;;当前发生交易时的评价时间: V9 T) t# B5 Z0 u9 r/ I: X
local-reputation-now;;此次交易后相对于对方turtle的局部声誉' e3 n y( d4 Y; h% [: {: `
trade-times-total* h* d1 E! g/ }
;;与当前turtle的交易总次数& x: p' b$ z' M
trade-money-total" z* ^# P6 `" @" p4 T
;;与当前turtle的交易总金额& A& [( o3 S3 x. O, F
local-reputation
4 D' a: d: m$ x r: ~global-reputation
4 l0 W% }7 Y4 v7 n h0 v$ xcredibility- [) o2 O' n8 l( V5 P
;;评价可信度,每次交易后都需要更新6 a+ K/ y1 W" N) @0 @+ H k) I
credibility-all
( ~$ j$ {/ @1 e# I' y0 `;;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
& Z- r0 m9 U5 A- ~8 ?: n" B
) r6 [+ b, {1 v7 @' A;;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 d5 x Q* f% x8 A v1 ocredibility-one ^2 r! ^ \% Q3 ^3 z; @; L) F, u" V
;;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% L1 T6 e6 ?& [+ eglobal-proportion
4 S4 K/ P, }2 |# {' kcustomer5 T4 H' e" D* G; |' j5 B' W
customer-no: `( w- k, N) s1 [& C% g6 g* m% _% r0 t
trust-ok' {& ^( a" c, ^3 f) R* O
trade-record-one-len;;trade-record-one的长度+ A; I" |- w- z) b/ C
]6 _/ S7 a W' b# `" h
, L; e2 P$ a' ^4 F* [& W2 b
;;setup procedure& R% _: \9 Y S, T {; H M
; d" _) t* D( w+ z
to setup2 y( `5 c5 F7 ?9 @' |7 _0 Q
2 t( B+ }/ J) K, H4 ^+ {- `ca# X+ M( ] t8 X( z9 R' B$ Q: v6 }
) @; n; h, w/ E* L3 {# X3 F. \. f( uinitialize-settings, Y3 {3 ~" L. _' u& }# W* }; M
2 |, ]# e/ }4 Y& k5 J* ^; D$ f1 xcrt people [setup-turtles]2 h8 \$ Y( E+ E) f) c6 k7 R
$ |/ D& f2 K2 g- S2 t9 `. G. h9 X
reset-timer) P5 u( m6 J6 z2 ]5 \! o. ?
. v( X3 J4 w1 {2 r
poll-class1 a! v0 }8 d: E
$ I9 Q& ~* S4 s T2 L8 Asetup-plots
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do-plots
9 J- C; l$ {6 ~ Z# B- eend; w+ N: z2 O* j2 s
& t& M% H2 s1 h" jto initialize-settings
+ `1 i2 y% h2 g0 d, |* S/ `4 i) C! D( a7 b4 W9 ~
set global-reputation-list []4 y4 |8 U2 O4 C5 r. g# Y
2 k% G t `5 D9 _
set credibility-list n-values people [0.5]
$ Q5 e$ j" ^( Z$ y2 y2 h+ \3 h( d1 w4 l- M, n& e; K
set honest-service 0, t4 J. r# S. |5 A4 S1 u
" z9 k% \! J% b8 b; v' d! X/ W
set unhonest-service 0
/ `; n' R( @0 M4 @8 m7 w6 L, L+ q4 _/ I
set oscillation 0
' T0 A4 J: i" s( {( u( _6 V6 e/ a- R. p& G
set rand-dynamic 0
, N5 W! b: o$ B* a8 Xend
+ `% _ T( I$ `/ V0 M: C# W4 j2 \) c6 J# k
to setup-turtles
' s7 S6 O: f3 Y5 X+ Q D: K/ yset shape "person"
2 l* ]& v" N6 B) S1 asetxy random-xcor random-ycor
$ a; T3 K" N" S+ r) H |set trade-record-one []; l- a( D5 V+ Z8 w
6 P8 U: U- q) R/ ?# Iset trade-record-all n-values people [(list (? + 1) 0 0)]
9 i$ v. h7 ` S9 ^; O$ }5 T8 T% P0 c- Y9 H2 L! g
set trade-record-current []
8 M$ g8 k# Z3 ?set credibility-receive []
5 c5 J- `0 @" U) `set local-reputation 0.5* i4 s/ Z, o: ]+ H2 V: i& c6 I) B
set neighbor-total 01 ] E- Y0 \; s- E' \, }
set trade-times-total 0
% L! N" I, J( Zset trade-money-total 0. j6 O- x/ v+ z @2 \
set customer nobody/ N' f$ E( ?2 ^: |6 n
set credibility-all n-values people [creat-credibility]
2 A8 @3 e3 j3 _; S, P5 Y+ |8 v" eset credibility n-values people [-1]" `1 ~' S$ u* F8 B* d' ~) [9 E6 [
get-color( b! _7 t4 d' C$ z; ~0 N
4 d( P$ z6 o$ l8 D6 Nend
8 i6 ~1 t8 o, G! @' C
o& P$ m# Z9 \3 R$ T- Z2 gto-report creat-credibility. l7 k1 O" K: r# m3 Y
report n-values people [0.5]+ o3 n/ i% W& {4 G J' S
end1 s& c. y* Y! m) w1 M
4 x1 N& |+ Y0 R% Q) w/ h
to setup-plots
$ u& A( ?/ M1 j, `4 x" E
$ ^4 `8 m' x4 y7 X, T0 C1 Lset xmax 30
7 Z( U U- p4 f! O' B1 v J1 u9 M0 p* t
set ymax 1.00 w: N, e. T: B# P
4 k! M4 A3 ]6 x% P+ \
clear-all-plots
8 W, _- u, r$ v! l. y/ h. o$ b N: K( I; J! f5 W5 d% D
setup-plot11 i4 J5 H: M. K# P# _ m9 m% ~2 \
1 C* m c K7 R t# k0 Zsetup-plot21 E+ x, m/ ?; K8 o
, e# v W5 k, d. `3 Bsetup-plot3
; H9 v/ c* m/ [+ U# ^end* V8 E5 t- y+ V. P0 B
6 f* @) x% ]# c7 [7 k
;;run time procedures5 k; O7 s% H8 k! T
& T& q5 ?! Q! F$ H! Ato go
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5 g" i5 Z! h, aask turtles [do-business]
8 h# H, R, _' v. J- Send/ s- V4 i$ N8 M. X \* Z% L
, l+ s. m% s0 x* q9 V. f# f
to do-business : c/ ]! D) e0 I' m; O
- J3 ~" N7 k+ N; u7 K/ p% m
. ^; p" F) \, J/ G- g; y& E
rt random 360
; ?5 V' ?7 W, k
. z# B; u& m1 W2 \7 q: }7 V; t/ nfd 10 t3 h' r0 @4 O$ d7 t* ]! m( n
0 g- S6 X+ ?+ b6 c8 \6 X. X) Kifelse(other turtles-here != nobody)[( x6 r S$ G4 `4 x8 e
% m) |- b( d1 |2 W
set customer one-of other turtles-here; {0 e6 n' Q& M o
4 l H* o8 f- J% t# o# Y6 T
;; set [customer] of customer myself
0 ~% z8 S0 _: P9 x6 l9 w7 ?2 |7 {( t5 W8 g8 G8 ^( [4 C
set [trade-record-one] of self item (([who] of customer) - 1)) P; ?# a2 T7 S# {4 t
[trade-record-all]of self/ S0 ^2 ]( r* ~) q: G8 G
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
5 k5 w9 Z, V2 @$ S3 p6 { B; }- K& x, f, g( U2 e3 o, I
set [trade-record-one] of customer item (([who] of self) - 1)
9 P( B8 s# S! s! B- l, O[trade-record-all]of customer0 ]* A( x$ D1 h4 K" s$ `
- @6 j" N( S8 t+ m4 ]' B
set [trade-record-one-len] of self length [trade-record-one] of self
3 F& U% l1 p# K# _- }6 d% y9 k3 A$ w& `- ~' }3 F% e
set trade-record-current( list (timer) (random money-upper-limit))3 y! q+ E' x( R" Q5 s
. s% s3 S5 @. Z' L# {1 f+ g
ask self [do-trust]
& z0 l) l% _, \ q) g" I;;先求i对j的信任度
, w; X6 p7 y8 J9 A/ G8 S5 v5 e0 ]( a+ F9 ~
if ([trust-ok] of self)8 e( B7 A3 O' g, j; U) `9 s i
;;根据i对j的信任度来决定是否与j进行交易[
. \- l- M! m4 J, E: ^4 o+ Nask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself' A+ z/ M$ N- {8 n3 _ A" z
+ d& V/ R3 q6 D& w- C& i W
[
$ C3 c9 v- G; k2 v1 A$ [& t: ~' I
do-trade/ M! R" s5 ?' j3 e. n' O6 D
# D& V/ R& x" G, E
update-credibility-ijl
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update-credibility-list
' H; N6 [) R4 H; U& A n u, }/ I3 p, e7 ^* y3 F
. c& f6 Y2 s: |9 e. ~$ F: p* o6 E
update-global-reputation-list' z3 E0 S5 X& j) ^4 a0 {/ i
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poll-class
9 b4 F! r/ z/ R, v0 g3 m! p/ d% y+ W9 q5 V* z
get-color
. i, `3 u* x0 b7 b' m7 E
" o* j: x& k% q$ Y& u0 E# F]]
; D. A; e+ K1 q! H: A: t1 H2 R8 w4 z0 G5 v
;;如果所得的信任度满足条件,则进行交易6 [' a/ ~; ~0 J7 C/ y; U* t" E
$ T9 ~2 H3 j+ \" `
[+ j& _ p2 P# q+ T8 W2 r6 k- M
. o# _. F; c( j1 K$ rrt random 360- v/ l/ k& R. a2 Y5 Q- u
% n4 |$ e( z2 Z5 bfd 1
: s3 ~! f! s6 Q- W6 u
+ S b: H1 b( }1 I: @]. V* ?( k8 u1 Z- m# _
* R. |! v! [1 K ]6 ^
end6 B# f5 m4 O8 X+ [0 P) z
2 [: M6 z& x$ H8 Gto do-trust $ d0 @ x2 b# M: i4 [1 j
set trust-ok False2 y5 Q N) Q: s0 h r7 {) G+ J5 l1 k$ j
: V6 [2 S3 ^$ u$ U) ]( g; N9 }6 U/ T9 L6 i+ P- c% C
let max-trade-times 0( y# Z7 J2 {& c* M8 ^( H$ u
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]) m+ z" r+ N1 _" |4 K! c
let max-trade-money 0. s0 F _3 m% B4 K4 z
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ e1 d& d' D2 g! L' L6 E6 hlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))" A1 P9 a, l5 H/ A8 n' D
! \% t! E" `- O7 ^1 o% Q/ c l! i: R& F3 t* @' B& b) G8 k- r9 a/ |
get-global-proportion; N' p1 O2 H- J5 S5 ]7 q8 j
let trust-value
6 `7 B9 F' K/ V, x- t& clocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
* e& u7 P0 z% M& @% iif(trust-value > trade-trust-value)
" Q: w o8 j; v[set trust-ok true]/ \4 m+ W9 u& f- b, X" y
end0 r- y6 ]6 i3 }+ y
) W7 X5 b& F- f8 e4 e
to get-global-proportion
; K+ B" G! v5 |9 z3 R# Z( uifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)# a, T2 x; D- p
[set global-proportion 0]* a. H& D' K6 x
[let i 0
- O8 f0 G( Q: y# n/ f/ @let sum-money 02 P- b- o! D# l' P& K" [
while[ i < people]
; K; T# E3 L: q[
5 K/ J* P5 ^# w* s. {% e/ q7 Zif( length (item i
# X G2 c' P, W7 N! W[trade-record-all] of customer) > 3 ) W+ t) e3 e( e2 U0 h. L) [
[
! V! U# F0 q1 U- a8 h7 kset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
. Q; f% F2 l' t: q5 a2 m]( {# c8 a: S4 R- d
]- W: T, S2 Q4 |- K
let j 0& L8 ?+ x: ]* J* o
let note 0+ `+ G9 }4 R$ E$ u. D7 f- `3 D
while[ j < people]
# B- Z1 ^8 ]( ]: ?- Q; g[' \9 y, `/ B2 K8 R4 N$ }
if( length (item i
0 q! Y+ V+ \& j[trade-record-all] of customer) > 3 )/ H5 ~/ w- R0 M) w! a+ {
[
* V: J3 Y' ^; ], _7 ^ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
5 A/ e6 `, T3 b. e9 x0 i7 z[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; `* o* V5 Q- |. d2 ~[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]2 S7 g5 B6 Q. n3 l& P6 P
]$ S4 K/ _5 J8 R7 }* C2 e& t+ j
]3 `6 B" z1 U! b# T, h% Y
set global-proportion note
2 U4 o U( |4 } Z]
# b9 v* o# \. P5 I0 S% {, `9 tend
: R# ~! d1 {- T2 Y6 ~% ^# g/ S+ i6 a+ U$ z9 M) P* U
to do-trade
4 A; b0 c9 x# Z- @( j. j5 b;;这个过程实际上是给双方作出评价的过程
- f7 T8 j( F6 ^! qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价; M- A8 l5 h7 x1 d
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 w' ]5 E8 e' j2 j# b/ oset trade-record-current lput(timer) trade-record-current! V3 W+ O% O/ ^! I0 @- Q# x
;;评价时间; t; l) u5 z& E, o4 S7 S
ask myself [
% P6 m+ u) a6 W Z$ y r( u/ F8 k0 supdate-local-reputation( s0 E8 b$ i) y7 P0 E$ `0 Z; s) x
set trade-record-current lput([local-reputation] of myself) trade-record-current* l q; i. L, }7 J
]% j+ Z" p3 O4 e9 t8 Z
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
: i! e/ k- L1 ~8 \3 e, d9 E6 V;;将此次交易的记录加入到trade-record-one中
0 D/ M0 ^, z' f- x' ~9 }set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)* a: @& i" g) G' m7 M5 [3 W y; `) [
let note (item 2 trade-record-current )( k; F" I) r, D, Y# j8 n' w
set trade-record-current
9 r! s9 F" {8 e0 t7 y(replace-item 2 trade-record-current (item 3 trade-record-current))7 e5 t4 M; D% \9 x
set trade-record-current
7 V# W- l. _0 M* \(replace-item 3 trade-record-current note)
# h8 z' S4 l+ {; y" c% l7 X4 p* [: |, \! m
& b- S! }8 T9 ^
ask customer [/ K7 M7 L- Q6 E& c! Y) V
update-local-reputation; E3 u- \, N1 J- p" r4 |
set trade-record-current
1 J% L- Y' Y' I* t5 T0 G8 s(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
8 o# z' w/ k# d6 I]
! c+ w- w' K+ `6 f( @( a9 V' X/ _ e. ?/ ?% ^8 J. X# u" |
; V& F1 E, g2 y" b: t1 c9 y" aset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer6 r2 s/ x# |8 c% n: Y4 y
# G# m& ]0 f2 d4 l+ E
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' H8 A5 u7 @. i- w6 w( r4 T. Z;;将此次交易的记录加入到customer的trade-record-all中
" g; x. m2 [2 h- l oend# X7 F% P2 X+ X
# q2 a+ h+ w& _. a% Eto update-local-reputation
- d, @& H/ e9 d( m: u+ aset [trade-record-one-len] of myself length [trade-record-one] of myself
) J/ ]5 O& T( ~; E g2 Y; A0 n
( J0 Y& ~% E4 U; b" C3 e4 I. m3 F o' b$ Y
;;if [trade-record-one-len] of myself > 3
2 H8 P& E; ~0 J/ n) ]update-neighbor-total3 y' u2 i4 V, T+ R+ H3 S; c
;;更新邻居节点的数目,在此进行
% R( y5 B& y; x5 s/ n" Blet i 3
+ A. |! y( \8 D+ ~9 mlet sum-time 0
9 t4 ]7 m7 V" q' c" W( vwhile[i < [trade-record-one-len] of myself]" c- ]" U0 Q9 n/ n: I/ \
[
) E3 v* M0 S8 i# B7 u$ N' A: uset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )! q- X) a/ _1 A/ k! z. k
set i4 w5 _5 T0 \/ ~; ]% Z
( i + 1)9 Q5 L* E* D: \, I4 L$ m
]' g/ C, P) D" Y9 j. G
let j 3
+ h3 R6 F7 I4 }! ^# Y: Vlet sum-money 02 f: u& e6 s( e% o, I' s
while[j < [trade-record-one-len] of myself]0 A( y4 Z- x' X
[
& h: Z& p( t. P9 r9 c1 p* Gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
% x+ }% r# `+ d: v, P& Wset j
/ h+ y6 B% _* Y' Q( j + 1)9 Y$ O6 s, f5 m4 G' o6 l' d2 f0 F( v
]6 W0 r/ T- z; h. g' A) N
let k 3% t, L+ z: x% H- [0 f
let power 0/ C# A" K. e3 l, q6 f: @
let local 0
* x/ j( n- Q3 a: g0 w7 L' Hwhile [k <[trade-record-one-len] of myself]9 B1 b5 P8 y F, F4 O, ]# W4 a
[7 v/ y) b& t) o' w( _
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) ; E' H, s6 N, A8 @9 ^
set k (k + 1)" G' p" I9 m3 Q9 @2 J8 s6 i2 ^
]3 A. M* v2 w) F8 ~% t# k
set [local-reputation] of myself (local)
+ m5 @) h( \5 | P( \end4 `" E& \& V5 a/ `- |% } G5 I
3 ?4 o7 S7 j5 q* A7 F R# q' x8 q( k
to update-neighbor-total
4 N' p& d+ F! {2 C3 y
" \% x: a( ]7 }1 H8 bif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]+ B; X! X: \3 W) \, { t2 W/ ^# n
9 `2 \7 G! }, k, ~$ h7 S
2 N. z9 |3 I6 S1 D3 d2 D2 M9 u1 {end9 x K" s2 \1 P( I7 _ G+ {( O
* z( U5 O' H, h
to update-credibility-ijl 3 P( P/ M0 h6 ?/ f9 y9 H
7 P6 l8 s, \4 S* b
;;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。+ l9 n: p! K' V% B, f; M. N0 `
let l 0
. X+ I# s8 A* b9 I4 jwhile[ l < people ]
_% U3 j6 \: h4 Y! K& W;;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
! D/ j+ _9 i3 F. g4 \) h[
% w+ a5 u- o# w& d( Ulet trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 D' p' V3 p1 z5 X9 `" h
if (trade-record-one-j-l-len > 3): m+ ]5 h* K' s; W4 A
[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
2 b0 b( f: L, U2 `, tlet i 3
" w8 U$ ^) ?6 e1 Dlet sum-time 0
' C& T/ t W9 \9 e& l/ w# lwhile[i < trade-record-one-len]
! H" V/ m8 V4 A[
3 [( M1 ]0 ^, x# Tset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# n$ v6 K. d3 Y s5 T9 y; hset i
& r, Q5 T2 G/ K7 p) C- v. t. |( i + 1)$ f2 u& E; t, O3 J% P! s7 R" ?4 I5 a+ L
]. Q8 c$ i* e; N0 X$ h I Y
let credibility-i-j-l 0
9 p3 z& b9 S, i- t2 w;;i评价(j对jl的评价)" n. c0 K& Z, h" S9 p3 ]7 A
let j 3, ]& l, j2 R# Z( H- b' f" _
let k 4
P+ D; q8 @* g0 A7 b& W% C. N3 F. Cwhile[j < trade-record-one-len]( m! `$ h" {- ^
[
! y6 A4 s) r+ O4 ywhile [((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
9 [. l, I1 g/ \3 `7 vset 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), p4 @3 M% T2 J0 y9 ?1 K
set j
# N D$ ]0 x8 o$ g! r, ~( j + 1)
" G& X! Q R0 s, T, L]
; [5 o& [# b' Q8 G ]' F& M2 xset [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 )). U( b! B$ V0 ~3 ~! R
* U5 }0 q! M) z: w( B
' U. U* B7 B6 V% ~let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& m- }& b' l0 U" D
;;及时更新i对l的评价质量的评价
1 m/ k+ f2 ]' L W$ iset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# D5 _) r% b- R; ^" n R' xset l (l + 1)! j9 z: @1 L" v& R( @
]
! c8 N, A2 x, c: q+ f& k+ ]8 w4 H2 send3 s( U* z: E! [% y9 T( Z
# y8 B1 e/ `* ?$ q2 _
to update-credibility-list
2 L: N8 S; N( l K0 qlet i 0! f& |2 U+ B% ^; {
while[i < people], o" v- i4 A t6 Q
[- i1 D7 V# g- O
let j 0) y9 ~ v7 Q& I/ r* o( N0 J6 W3 a
let note 0
) g7 _3 e* \& t4 {4 V% [let k 0
# h5 E- K, F3 o4 z* m1 n$ y;;计作出过评价的邻居节点的数目9 \7 e8 m3 x2 @
while[j < people]4 p" z9 }: O- v1 X: r
[
4 v$ a% c$ ]+ R4 E! T3 iif (item j( [credibility] of turtle (i + 1)) != -1)4 v) B- a! W$ o$ N
;;判断是否给本turtle的评价质量做出过评价的节点2 |1 g0 @ N9 |
[set note (note + item j ([credibility]of turtle (i + 1)))
+ b @3 G6 {3 ~$ ?, w5 r;;*(exp (-(people - 2)))/(people - 2))]
4 O( d! k' H; J' \. z! s. Iset k (k + 1)
+ w% ]3 v0 R& t3 j I]
2 Z# p* z5 o# ]! ^+ Tset j (j + 1), y7 L1 G8 c% g- U! J% l y
]* G( j1 i# c/ ]/ k! G" v" X9 r
set note (note *(exp (- (1 / k)))/ k)
7 b% [4 v7 g0 h. rset credibility-list (replace-item i credibility-list note)
( u5 a6 @6 o$ N; t0 R0 Uset i (i + 1)$ C. t1 {7 b9 [+ ?3 ~ O
]
" q: {( M/ y) wend9 Q) R: q7 ]3 _
6 f8 G: m- M: R' u( j, Nto update-global-reputation-list
6 R- C/ f3 Y6 y% D7 ~let j 0
3 `( i8 a; w rwhile[j < people]
8 ~0 ?. I% I4 x& j/ ?; g( m[
3 Y: z/ \: d) A/ O# ~let new 08 J. _ D \5 [, r+ p# ]5 c; F# H& m
;;暂存新的一个全局声誉# d% b U5 X3 B, r$ w# H6 H$ U' V X
let i 0' g" V0 n9 y1 i& _. \* M5 y+ [
let sum-money 03 F& W0 S' |1 P6 Z8 l4 @; H$ R8 ]
let credibility-money 0
$ `6 _; |. w$ J3 o9 c3 ?/ mwhile [i < people]: ]. O {" u& L- U5 L5 N& o
[7 G ^ ^) }, E# W; @
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 P, R4 `+ g$ C$ B5 ?8 M- m
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)). [4 H; S: U1 e+ ^0 ?/ S
set i (i + 1)
' G' P+ [( S7 ]2 _1 y P, P& s( K]
" |0 T. s! J% }& wlet k 0 Y2 b G8 z' M) R M0 m- y
let new1 0
5 Y7 S& X+ S. `while [k < people]
6 m$ f; I, d+ y[
+ w2 a1 s/ Y( S# Vset 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)
) @3 i) T% \- i% \& iset k (k + 1)
6 X |( p; o9 }]
; @# R8 n1 n4 Kset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
3 O- c. C: i1 z6 K/ Q Q2 a9 t" Hset global-reputation-list (replace-item j global-reputation-list new)
8 Y. T6 |- e) qset j (j + 1)
) P: p* {3 g; e% y]$ t2 f4 l6 i5 e" Q' J) Q
end
( @, D* ~" Q% c. _$ q
* {* c1 j1 v; Z( J$ f# M% P" y |5 p& `& L7 I4 ?) V" K
* R9 B8 e$ g. r$ Q% t, S5 Yto get-color1 b* n8 u% y% E
! f# s- u( y# V& Z5 yset color blue2 ?' @0 b# O8 C7 g( i; b7 W P
end
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% `1 A# H- _4 T! R- I* Fto poll-class& l6 ]* J' {. O2 @" u% z7 x* _ A) b
end& [, m0 h1 s$ k# H% |( Z
3 H9 N9 x! P _8 Nto setup-plot1 A" w1 e2 f0 O" ~
$ y i( f1 M4 Q2 y8 `set-current-plot "Trends-of-Local-reputation". o" N* i4 F' g" o& m& y
' v4 e* m3 a7 x! f' N. y5 L* ?) a
set-plot-x-range 0 xmax
* l# k: R2 L5 s6 {- n9 X' M/ \" l! e; J+ \5 _+ v* o
set-plot-y-range 0.0 ymax
! `6 |$ O: H7 j/ i& {end7 ?1 t+ \& L% D# A( d
) D$ }0 T' I+ H# \! Z6 Wto setup-plot2
, ^9 E7 `# L! `3 V0 ^& d
5 D: s8 _# K) d) e' W$ Yset-current-plot "Trends-of-global-reputation"8 O" l% V. U* ^4 Q
4 r# G) n# D# ] \, t
set-plot-x-range 0 xmax( c, r/ L- q. F" Z6 n7 A
' Q! j, h9 v% Vset-plot-y-range 0.0 ymax, a; D E9 D: o
end) m/ w4 ~/ Y3 \. F
) ?/ c$ G0 A& Y0 E- ?5 G1 [to setup-plot30 O, q: N+ f; O- J+ k; S+ `0 j
+ Y& [) I& ^5 \6 B4 a8 u
set-current-plot "Trends-of-credibility"
% Q7 J3 [. J- R# w q8 }9 ~" o3 q @+ @: Z% [
set-plot-x-range 0 xmax
5 n$ u' a/ |- U/ n9 O. I
, P. i- Q) H1 @! K) e" l/ N5 @$ W) a( lset-plot-y-range 0.0 ymax, y7 x& `* J6 B3 j
end* `% t* J9 B! J% g9 ^1 B2 H) O
/ \ J; U) T2 v# ito do-plots
% r7 Z, U% F/ m+ Z1 fset-current-plot "Trends-of-Local-reputation"$ v9 v0 I/ l( S8 b: U
set-current-plot-pen "Honest service". z/ X; z9 i/ f: Y3 R! K
end
6 \' R3 y# W0 _6 X3 J" ]( m; E1 @0 Y
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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