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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 i" q5 C e/ \4 Z, {2 O
globals[
" A! Y9 g5 I7 T. b+ _0 Y' J {& sxmax
$ p" I/ w+ i' rymax4 u/ ~8 P/ m% h+ D' ^2 o
global-reputation-list& B, g6 k5 c9 Y: m/ k- [
0 n4 y0 a9 o" [: N
;;每一个turtle的全局声誉都存在此LIST中" p$ v: E" E4 |- y+ |7 j5 e* y
credibility-list& v2 q1 r; F4 G8 \1 I) i4 L
;;每一个turtle的评价可信度- Z% e+ S$ k: K" g) G& w
honest-service
9 c0 C' l) S# Lunhonest-service) e* z4 ?! u1 l, w9 i! z* o
oscillation
1 ]9 N9 `0 Q& T5 r( Arand-dynamic
. a# a( Q% ?! P. H: k] q) H- u4 z6 J# a+ o+ n" J$ t
8 c; H0 n0 i( F3 T: X( E
turtles-own[" l0 ?% J% u- i5 j
trade-record-all
/ H" w8 q) t7 \7 ]" m' k& l) ?7 M;;a list of lists,由trade-record-one组成! R5 d/ ?, R5 R/ {# n( a
trade-record-one4 ]+ R; _+ B' t( z% x+ I0 [) @) J% c
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录& ]# N% H& u3 ^- s2 m
; v. L4 f X2 h4 A5 \;;[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]]
4 h& J: Z- 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]
6 v1 l# k# y& [8 F$ ^' 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; G$ ]5 G3 d$ l: q+ P
neighbor-total
' u, w- {9 ?9 p8 p;;记录该turtle的邻居节点的数目
5 w D( n- c& c5 Jtrade-time
6 D8 [/ m4 U' K2 {, P a& W;;当前发生交易的turtle的交易时间
6 i8 H2 E6 ~0 b- L) \appraise-give3 ?. Q" x- R/ ~, }2 E* |# _
;;当前发生交易时给出的评价/ S8 z" |' N) R; M5 O7 j* {
appraise-receive$ `# G3 p% A! u- E& g
;;当前发生交易时收到的评价
& S* K7 }: z' i2 v5 j; @2 ~appraise-time+ M) x. w+ O! g! X: d! g
;;当前发生交易时的评价时间& ]' [4 V; Z3 V, F1 Y% q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
" t7 @$ q# f" _$ q2 k4 [/ ?trade-times-total
: ~6 G& @! W# j) m% T& r9 m& L;;与当前turtle的交易总次数
9 L4 Z" Y6 M& `: \- _trade-money-total3 W C c0 C: F% G( l4 ?
;;与当前turtle的交易总金额
9 ~' u) l( n. jlocal-reputation
. X: E. b0 X; cglobal-reputation( l8 M! l& Z- G7 @0 p, H! [, R! g
credibility% Y. Y4 W9 f! I R
;;评价可信度,每次交易后都需要更新
7 Z$ E5 ~" n" F2 v4 j2 \credibility-all
: C8 d+ l4 P" s3 v;;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" A0 n: z" H, Q! N
1 q4 R# C& A& [6 |% U4 ]+ Y- m
;;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+ ^$ O' h# y3 H& R5 N1 s
credibility-one
# }- V6 _6 p4 y+ p) R;;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
9 W2 E4 r1 k" T, U" j" h! wglobal-proportion
( e' O8 L1 x" ^1 e3 f" \customer
, o- A5 c9 R4 M0 r1 T2 {: y4 u lcustomer-no
3 h3 R- u( C# etrust-ok# w$ {; L# X! a# e! ?8 x$ Y
trade-record-one-len;;trade-record-one的长度
7 V; b- |6 j5 ~" z y% y0 d! `2 F]9 ^- ^- {3 W$ j" j
4 N. W0 J7 ^9 Y9 U;;setup procedure, F. P: s" }# t1 r
7 c7 ^/ C& V5 g! D
to setup2 M* Z3 x( }. A6 X Y
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1 R* C# z- {/ M6 i y
initialize-settings( n$ I( v' z/ n/ |0 r
( c! m3 V+ ]" N7 H5 N3 Qcrt people [setup-turtles]
( K. }8 H% h! \) V" T2 ]5 c- z3 n0 E* U+ U' F' F6 @
reset-timer" ?5 V! V1 e+ p0 g& u: |' Y* ]
9 t$ N# @; q3 l9 s* |8 R; q7 Z" N
poll-class
0 x ^' {, Z* O2 ]* x! r+ s; W
. D; G$ }- I7 z) F3 Gsetup-plots
9 J0 {: U5 p% H! M# u3 W" H! ^1 _7 h7 c% P9 h
do-plots
! G: F& V: p+ Fend
2 r; D% K0 O; M! j% R
. G5 s0 L% Q. `& f& v1 zto initialize-settings2 W+ ^4 A( x5 o
5 X- S, c. E6 X! V8 F
set global-reputation-list []
9 B# m. w* i. w
1 b* T6 x' g: i6 a6 Pset credibility-list n-values people [0.5]3 k# o3 J7 Y# N
4 ?' g# ]* U* |/ Q
set honest-service 0
7 v6 G3 V( j% Q3 j2 S; ~! f4 W q. a! H* F
set unhonest-service 0
: j1 w, G' P Q' I" S! y7 A# ?% B; J1 d: b3 C* z
set oscillation 0" B' R* b% B' R- D( L3 o
* I' H5 F9 q0 `4 Q" g& j0 Xset rand-dynamic 0
7 ?, ]7 ~0 q6 A: Z8 t4 u* ]; Iend
1 r% \- @ j$ o0 M( K. @
- W0 M# P- e v5 Z4 H" _2 Dto setup-turtles
( V$ k- Y! p/ A5 ~2 D3 iset shape "person"7 v6 R# @- X( L/ B
setxy random-xcor random-ycor
9 p) I; L$ e: |3 K+ _: @set trade-record-one []
9 c5 @% z9 l9 J" }6 N
+ N3 |! b* t8 s% N. t& H4 ^! eset trade-record-all n-values people [(list (? + 1) 0 0)] Q. D2 x$ ~6 E2 G+ n7 Q* ]
% W# i7 d( V: c2 yset trade-record-current []" h$ t5 K% p& y0 ~
set credibility-receive []
6 X/ f6 Y7 ?0 z" G* h5 [) C' {. ?set local-reputation 0.5
6 q1 z" e0 H- }6 k4 M* D, hset neighbor-total 0
l( f; F2 \/ ^" V1 Xset trade-times-total 0
4 Q0 S/ Y+ _; X' j0 gset trade-money-total 0
) o5 G# `: I# \1 v* sset customer nobody Y$ K2 d4 S) h2 [! N z8 ]; o
set credibility-all n-values people [creat-credibility]
2 B9 k6 y, _: c6 |3 ]set credibility n-values people [-1]1 K8 y8 S* ?$ x& O2 [4 B7 W6 T
get-color5 F2 p/ @0 k, A4 B3 Q+ ?
$ t- u8 {3 W0 v5 W. ~9 {3 `. Nend; D2 D4 X4 Z" A; N" l. _+ K
" C2 _7 w4 D, W* V9 j. `to-report creat-credibility+ X1 @4 ?" v! a5 Y
report n-values people [0.5]& _" w$ Q, f: U" }/ q0 ?6 R" [/ k
end- R3 C0 G `9 s6 D
9 ?7 I, o$ _* t5 e
to setup-plots
, E4 C* M' x: v$ ?& {
7 N y& v! y# Kset xmax 30
3 U/ ~2 H( e6 \" Z, {0 ]4 _' a+ Z5 m+ i7 ~) |0 ]
set ymax 1.0/ ^/ w. O2 C# J% i p. k
, M# u0 j B0 {9 _
clear-all-plots
o+ {: h- ]" q% B( e+ v! q2 v4 X" A' N! N$ I0 U
setup-plot1
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6 \" r! _/ {; G9 h, b9 ?7 Ksetup-plot28 \/ {' k/ S" O; _+ B$ H
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setup-plot3 P1 }$ O& S9 r5 n4 h. N( L3 b ?( B! @
end: q$ A- ~0 C$ ]
7 w, o8 p* J9 d n, h: U
;;run time procedures
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: Q8 u4 v* _9 n3 j+ Z' @* r7 nto go3 n- Z% d$ B5 r, B* [; b1 E
6 \- O7 n, f# x5 u$ h) l+ g% b/ u
ask turtles [do-business]/ J7 p1 C6 I, G
end
( @- H, V N' s
_8 I" r5 r' E* ]# ito do-business
% k0 c. v& h) L- v$ N+ |5 {3 B6 `! ]& G& N1 R/ n. H
! V5 s& k: C, Z# j& N( P
rt random 3608 R% s6 |% R G. h
2 s. M* ]( q& C2 `8 x- W) ifd 1* ^/ {- B" g0 t' l2 _
# O# [3 j3 P `' M% a X& d2 f( Lifelse(other turtles-here != nobody)[) ]5 p! P m0 M7 z0 Q& p1 Z W
3 T) H# h5 i+ y6 z" pset customer one-of other turtles-here! O/ j+ I% T( P; c
7 N5 x8 c3 V. f* Z8 o" |& i1 o;; set [customer] of customer myself
7 U% \; t5 Z3 m* ?" h# ]7 N! D# ]* S+ b3 ]7 G& v2 E2 a$ b- Q# Y
set [trade-record-one] of self item (([who] of customer) - 1)
8 M2 B5 f7 w& t/ p& h3 _[trade-record-all]of self
% a& {& \2 _3 H2 x1 {4 };;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self& }6 ~- H7 X4 U- E
+ F& `* |8 s6 \
set [trade-record-one] of customer item (([who] of self) - 1)0 h, d% }" m6 x3 k* l- j: f
[trade-record-all]of customer
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4 G8 n2 l6 C# n$ O# [+ g2 x8 fset [trade-record-one-len] of self length [trade-record-one] of self
% N0 M% D+ T) U/ k
! ?- S4 e, m) ^3 Q0 Wset trade-record-current( list (timer) (random money-upper-limit))
; z! c4 D, G, f1 F; b+ J, \3 j( @1 C8 g% ~' f9 @: w
ask self [do-trust]! O# U8 ^, V5 j4 c( e
;;先求i对j的信任度
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if ([trust-ok] of self)) E' n4 t& u% J! ^
;;根据i对j的信任度来决定是否与j进行交易[
w! P' R1 {& u2 M7 p& cask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself* X1 R4 N$ }% w. L4 C3 _
|; n) T9 _+ g' D
[, l8 Z: v* o% X# C
5 i: x1 H; [) i- K- |6 A5 W1 ~
do-trade1 v/ t. Z3 t& n5 l2 ?$ {) M: ]
2 \" L! N9 s' k$ Z, K$ o: w" lupdate-credibility-ijl
) C6 m! ^/ ?9 \
0 A" i6 z1 y* Rupdate-credibility-list1 C8 g* C$ o1 s# W# _. V
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5 k9 v# |1 u1 ^$ ?" b
update-global-reputation-list0 a2 `/ v. @; @3 R) [' l+ W
; J6 }7 G- p. J3 W- q9 C* X
poll-class
# p5 C- I. s7 D2 v% m
. r* D: G6 G% ]+ z6 w* uget-color% Z) v0 g7 B+ g* X1 }& H
' P$ M C1 q/ o2 i% |
]]
9 s4 Y) \/ e4 t1 X! N! |# @' ` G: R2 r- e( S" S# D
;;如果所得的信任度满足条件,则进行交易+ `* A. d6 L* R6 ~
5 a8 W! g1 V7 k( q7 [
[
' \* w5 z+ Z/ j" [' v0 Y+ f5 N9 d
rt random 360
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fd 16 s( `0 Z, T7 a/ j8 f/ e
1 N% `7 A9 U5 c( `& p]
% q, L$ c# B( y8 T2 i" a, M$ C+ U- S3 A. f/ w( F
end
$ b6 h0 V$ Y/ ?6 o% g: P9 d$ }) j- n) g7 x- V& w# b% v- p; d4 n- m6 t6 ?; ]
to do-trust 2 R Z" ^+ J- Q2 g& z
set trust-ok False+ F0 C8 A6 H) d K: g. U
, D6 \/ X+ H6 [
4 ]" T8 v3 A- E5 x3 W8 Klet max-trade-times 0* X0 N% j: v/ \" v/ O
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]) L" ]5 ^8 b1 [
let max-trade-money 0
) O) s$ ~9 g" x8 }2 Y6 Lforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]: X3 F' `# E4 z- \0 k+ h# i7 j
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): I7 d) N* B8 x, I. G! Y
4 j0 j4 S% x7 {7 X
- e8 W% F) r0 M+ y% pget-global-proportion/ k3 l6 P4 i( z1 }4 ^- _
let trust-value
1 z1 J% I; P1 o) W2 ^; ?; d1 u5 ]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)
5 v. Y& H9 \& N7 M: `if(trust-value > trade-trust-value)8 l% a! I" _! ~' t
[set trust-ok true]8 y: z2 z/ Q4 j, O% ^! {: ~
end
8 K+ G- \; P, W# o6 q
* e" E a- o2 c8 `to get-global-proportion$ x, g' d, e0 f8 S3 \
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
* l" N; X" `# f+ V8 ~! d$ l, {* l[set global-proportion 0]
+ b) f2 D9 x& U7 Y9 n[let i 0
0 L9 A- j8 Y: }# k, [# N& Nlet sum-money 0
" E ?9 n" v4 hwhile[ i < people]4 C+ Y/ u* }9 f* `$ ?
[
6 _2 d/ B2 w5 k2 n# sif( length (item i* I) o- V, M8 `/ _
[trade-record-all] of customer) > 3 )3 c) z: _: X' ~$ V! h8 O
[
3 [8 K5 ^& A9 M* G+ mset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
2 v/ D( p1 o3 @* {+ {]
6 P5 [( r3 E, r2 L* q]4 K2 K6 e i1 P1 @
let j 0- m8 \, b( a4 t" r
let note 0
2 Y6 L! T9 I8 H' j% k; ]3 Z; ]; lwhile[ j < people]
" n0 F' p5 ?" i( {% y" ?[
& N6 e U3 v9 R5 }$ X2 Sif( length (item i
& t# r1 z0 H3 M7 z[trade-record-all] of customer) > 3 )
! l6 D7 X0 S" J# S1 {' O[
4 v3 y9 A, m7 b, ~/ a+ }ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
, ?# e: u; x0 V3 e( \& O$ a7 A[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& W' z* f6 G6 s( U+ W$ ?/ E; ?
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
- t$ B" S F) C' Z/ t]* p: v9 p; C6 i( O/ @7 A
]/ J4 S7 ?' M% H( g2 ?) M
set global-proportion note
! ]5 g( q. ]% [; X$ V& v T1 F]" s7 ` y) j( f7 w$ U1 @6 ?' V
end$ S' E5 v* `- v1 F3 I) D/ b1 X5 r* s
_; R9 W5 c, L0 f
to do-trade/ M' K2 q7 a1 l
;;这个过程实际上是给双方作出评价的过程
# O" i+ e4 E- l2 A' dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
$ J" F8 P% D! |& P# m7 Qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
; f# T! j" j bset trade-record-current lput(timer) trade-record-current
' \" g* F; J& ^$ n$ S/ {; x1 c. r) q;;评价时间/ u+ \- [$ j9 z+ d* P: m
ask myself [
2 |4 N6 b6 h$ N9 cupdate-local-reputation- r; [/ l6 k8 n& m( Q3 W# D
set trade-record-current lput([local-reputation] of myself) trade-record-current
; L! |; J- A4 S+ A]4 k' N. A j, t' e3 a
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
k4 U# X" A6 n' N6 W I9 o;;将此次交易的记录加入到trade-record-one中% j" C9 g0 Y' k% I" Z
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)) u. H w" C, Y8 z, c" u4 ^
let note (item 2 trade-record-current )
$ ^) y' ^# {6 `3 E# ]set trade-record-current
& I( R8 z2 t/ _1 w W9 H(replace-item 2 trade-record-current (item 3 trade-record-current))
4 V4 _ M7 ^6 K/ |set trade-record-current
' l& N% E8 P! T+ ]# n. C9 n(replace-item 3 trade-record-current note)- c5 U7 p2 u8 j: j" _: v
5 E: [4 G* s; _8 g
% `8 h& O* ^0 L0 k: i7 a8 |( A/ Iask customer [* k7 n! x. e0 F0 R, {/ ?% S) h
update-local-reputation
7 v$ j3 |5 k' w u9 l. }+ Aset trade-record-current
5 W: K: f/ \) e' i/ H7 M; z(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
/ Y- E% Z" {( J% b( Q]% W3 x& T; ?4 {& Y1 `8 k
! |. [, o6 ^8 J; k8 B$ O
$ N2 C6 c: w3 f* e9 n6 vset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 Q6 E5 @! C2 Q0 X3 |3 C3 s S N
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 p$ D' Y- ^7 Y; \;;将此次交易的记录加入到customer的trade-record-all中
) A* @' ?. ^$ m' Y) nend
9 `; y& m/ r: [* h
! a. n; k! ~: e' T$ r# z: nto update-local-reputation( E8 g2 _6 p+ O* |3 N9 P) e
set [trade-record-one-len] of myself length [trade-record-one] of myself1 p0 W2 ~' U4 e- c3 a: y N
& T, i- E0 q& i- r2 ?: ?! e$ u
3 ?7 X( i5 \3 `7 F4 c; z# f) {# l
;;if [trade-record-one-len] of myself > 3
8 K$ H0 ~3 d" K3 Yupdate-neighbor-total0 l& [1 {- d% y$ p
;;更新邻居节点的数目,在此进行9 s( c; a9 s9 E: [
let i 3+ B2 [6 f; L1 t2 V. @. p5 _
let sum-time 0
: [6 M' C) `' X+ Y' o7 P3 ?. Q; [while[i < [trade-record-one-len] of myself]
, s5 g8 y; J' R/ {$ T$ C' }) D[
4 W6 U: z7 H, G3 dset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ); {9 P8 h6 J& N& g1 }
set i/ M% i) W+ ^, k9 _1 h. I2 y: B
( i + 1)
" c. ~4 j. @5 X7 [# S X]
0 `3 W' w7 P" g3 b. D/ [3 Xlet j 37 H8 @( T3 k" @( b
let sum-money 09 u, G! ] n" a8 W
while[j < [trade-record-one-len] of myself]
2 D% J/ }1 {% [2 G7 c' e[$ I. Z/ g8 a; F. e! x9 Y5 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)
: i4 m) ?4 G+ z$ C, Hset j( y; o# o- P2 D0 ]
( j + 1)5 w) ]& F" ~6 Z8 S1 `: H" P
]
, a6 b& G$ `. ]1 p6 S2 b# Klet k 36 p. @4 Q+ \2 T! D0 ?
let power 0
- @# M, ]. W3 w/ ~7 C9 d# U$ y, Wlet local 0
0 @- T) \4 Q7 Zwhile [k <[trade-record-one-len] of myself]
( y5 k3 p* H3 @# ~( S3 E[6 d, G# X8 V4 P: X3 v7 p
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) & p& q5 \6 ~2 U6 \6 Z
set k (k + 1)
& Y: V9 H& j1 G* s' X. H], l& U, S- q/ t/ p8 e
set [local-reputation] of myself (local)0 E% W2 n6 P9 ?) I. @
end' H- N7 ?: w6 w9 B
. Z* f- V! i. E/ M9 k8 q6 k
to update-neighbor-total$ k n5 S0 a- O. F2 F7 E" W0 e" [
6 e$ C+ m! Y1 A
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]8 q1 L* Z9 c8 s; m
" h0 G, T' a- d
) [2 Z7 B; U+ Z* b" r. Dend
! e' `, N; k: k. m( ?
- `8 i" p) U4 V: F. `1 Wto update-credibility-ijl
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;;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。
% h# }( j% |- R9 n4 G$ K* G. m$ klet l 0/ n9 A; l: G: m4 u, v
while[ l < people ]
/ t2 ^# N+ [1 q }3 f8 P. 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
! C7 f* j" ^' M- i3 {" u5 e( t[
2 o5 L% ^& i8 Z1 j; k& }let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
8 p0 [" G1 f! u4 q# s( J$ ]if (trade-record-one-j-l-len > 3)
; {. g4 ~6 \# ~% N5 b+ a8 u6 l) Q" Z[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
7 G! d( z9 ~) s9 F$ `% Elet i 3, C+ b! I- V$ p9 y
let sum-time 0* S" ]& `9 u) w
while[i < trade-record-one-len]
: E6 h! _) I, c; L[
; b3 @! L7 o3 l4 N: a$ y0 Nset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
7 f: c: C4 I# lset i* K, o2 c& v2 m( k
( i + 1)
' u$ n/ s' ~ z- `* |7 }: _5 f q% O]
" D8 R* _4 V$ y" M2 K& xlet credibility-i-j-l 0
5 i* q V) g. e/ p;;i评价(j对jl的评价)+ Y( L5 t+ b: @- R$ G# J8 c
let j 3* w; j& `3 z% l; X
let k 4
/ _! m& K; S f2 hwhile[j < trade-record-one-len] U+ w7 b& Q" q; t
[9 B7 T5 g0 Y$ w: |% T5 b" O
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1 c* c6 z8 S" @. R& ] ?
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)7 ?" s0 M1 h* [, R, h
set j. N" u3 I& M; P; ?7 Z) a
( 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 ))
: F8 v+ f: f& a9 w
0 g$ h+ c0 {% t
. ^/ t) x, m7 \. Tlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 b x& ~& O. X% A, d! ]
;;及时更新i对l的评价质量的评价
7 p" i* J }) n) O" T. }9 I) o3 Dset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. _; e% C( r* V, C$ V `; {
set l (l + 1)
( h6 b F W' A! Z1 T" ~) N* x6 L+ []& H* U. p0 j# Q+ i5 v
end* A$ V& `) Z s! R" ]& o) y
' ]* G9 p6 y. Y+ ]+ O8 l
to update-credibility-list/ C0 o9 F2 J# ^* e8 L/ o8 J" Q' R
let i 0# D- v# E! S w
while[i < people]
/ x: ^. N! S% m[
6 ]2 U# e% @% u/ z: q8 mlet j 00 }3 b0 j5 ~' I+ U$ e; B/ a
let note 0
/ u7 O9 g- ^. O6 j6 n+ y( glet k 0& w6 u x8 C* ]" A9 k0 y
;;计作出过评价的邻居节点的数目
+ p8 I4 k% a8 Wwhile[j < people]
+ Y9 @5 z2 e3 L! ]# l0 Y9 S. Z; ^0 Z[
6 [4 Z" C% ]" kif (item j( [credibility] of turtle (i + 1)) != -1)
5 W8 Z: g1 W8 ~& d;;判断是否给本turtle的评价质量做出过评价的节点7 Y o6 f. x! m: U- _- R
[set note (note + item j ([credibility]of turtle (i + 1)))
: ^9 v5 g# u( J/ |1 e! B6 X$ p* W: e;;*(exp (-(people - 2)))/(people - 2))]' ^; Q5 v a5 ^6 C
set k (k + 1)0 _$ g9 n' k3 k9 w
]# B4 ?2 z+ E: S1 s- R
set j (j + 1)
& n1 C1 S; L$ ?% U4 U) T]
R1 ^9 p. q# J& ?8 W. pset note (note *(exp (- (1 / k)))/ k)
! C: [& e$ u; yset credibility-list (replace-item i credibility-list note)
7 C8 j9 p; {8 @3 Y# ^set i (i + 1)
S; `0 M6 p& i; B( [+ E: g+ A]
4 I' T" c) z( {8 D) pend$ \, b9 E n, Y; X9 c1 A
/ A& |4 O! p( ]* ^* b% L& ~& z. k/ F1 d
to update-global-reputation-list2 g' \: P, m! K/ r
let j 09 H& R9 a, S: |& b1 \3 S
while[j < people]( T) o+ y) y- p
[9 e$ X0 y* ^' a m0 W
let new 00 J2 D/ ~0 ]1 n6 E* f
;;暂存新的一个全局声誉
' U6 y4 z$ \2 I7 r5 N4 W- p& dlet i 0
9 D$ Z6 o# h' U5 o2 Zlet sum-money 0
/ _& K Q1 T% r4 g' i$ p7 j& x) jlet credibility-money 0* Q3 F, R$ B7 O {$ L* W" N
while [i < people]
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set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))5 m( j; n: u3 ?4 F
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))/ f5 |( m+ E7 }' }+ z
set i (i + 1)
# C' E& x) E2 W]/ B1 G$ _$ l& J9 d4 D8 C! e8 q: f
let k 05 O: F9 a) c1 ]+ m# m* g
let new1 0* F; P! u& D( ^" }$ {5 Z6 h
while [k < people]) K7 c( p6 D% `/ H9 u! P$ B
[% N3 F" F+ K1 _' l
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)' Z3 S9 m$ k! U% F: i# {- ?
set k (k + 1)3 t5 f8 v3 c! G; e: w8 b
]
7 o, q- l/ \; q+ \set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; r+ B' ]# d0 `8 V! N3 n% f" {set global-reputation-list (replace-item j global-reputation-list new)
& m8 m2 M3 t# ^/ i" lset j (j + 1)
% W" t }0 C- a- _]
+ e* t8 i6 v$ nend B( |8 @' X9 [# j
7 X1 p! d" Q1 [5 N& _/ X
# h# U. w. K. Y8 ]/ `- s; L7 m& P; G! R" h
to get-color
8 q2 \. ~" l- {/ f7 N
0 ~8 _+ B. Z' D1 }set color blue
0 ^2 A% B# }% }end- o9 {- M8 B" f: E. P/ }" ]- J
& T8 g9 e4 X& |7 s% F- H( ^to poll-class
4 b+ s0 Q% G; k* n) u; f% C; Vend
# h! d3 Z) k7 I F# P# ~9 \
- N2 {0 W e! @9 D) E$ ^+ Bto setup-plot11 b0 k ^( K' R) q5 x8 E' C
; e4 M& U3 P. B( d4 K) Bset-current-plot "Trends-of-Local-reputation"
6 ?" r; M( s2 m8 E+ `: c$ i/ y3 O; k* ?3 f0 C6 j8 ?# W% _
set-plot-x-range 0 xmax) F5 l) T, n, U
' S3 ]) d# X, y3 p1 R0 c4 wset-plot-y-range 0.0 ymax
. z9 z5 |, F9 W8 pend- g$ x/ n6 U# }8 y% x( W, y
) e- J4 y- }' a8 i7 u
to setup-plot2+ k. D& ^. l* R0 Q) |/ A9 W
: @/ q' k# S" m/ r" F. m
set-current-plot "Trends-of-global-reputation"$ X3 } v: Q1 Z1 ^
& J- N+ {3 q! }$ gset-plot-x-range 0 xmax
7 A6 v6 G4 @2 Y! Y% p( B. ?' E2 c" {) i8 v: c, r3 D R6 `
set-plot-y-range 0.0 ymax. b+ F# T5 `0 F* P
end3 c$ z3 G5 G& O) u+ @$ B
2 A/ J' d) h9 n; hto setup-plot33 f) D0 q# M5 z! A8 ` n9 ]" V
* G: d0 T9 S$ P/ ~" g- _
set-current-plot "Trends-of-credibility"
+ f) X! k7 |4 x2 d% _* I& N7 e& s' [# {, J# }
set-plot-x-range 0 xmax
9 @ x' g: U! e* v
* y. e% f- m ~5 t" H! v ]( U5 eset-plot-y-range 0.0 ymax0 T, B# V+ h1 r
end
G7 u9 v9 Z" C, P8 [: l4 q! _
5 O3 C: E7 E2 C1 V/ k @to do-plots0 l, T# U+ B8 j9 Y. t
set-current-plot "Trends-of-Local-reputation"( X: ]- {8 P8 Z
set-current-plot-pen "Honest service"# N2 f# s) D& A
end
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- O/ P5 O R. h: C% j[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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