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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* o# y- P0 `; d0 K% w4 Q. M
globals[
# i# u. G8 b T( k: Axmax. h( `; A5 S3 f* A" m% o8 q
ymax
8 L/ t) T& ` @% V7 xglobal-reputation-list! C- _4 d8 U, R) n9 v- P( L. j
! f* t+ C% f) O, z" t
;;每一个turtle的全局声誉都存在此LIST中
; U% O. Z% U! e) `( k$ Rcredibility-list( o0 h/ f/ V# D* Y- L4 w" p. H
;;每一个turtle的评价可信度
) `; Q( [( b$ w: qhonest-service& x2 Q) L( ]" @. ^* o
unhonest-service, F$ ]& |5 s" y+ f) f' L9 f
oscillation
4 `! @/ B# B5 Q# s, Trand-dynamic
7 i) C) V+ V) p }4 [3 @]
# W- K1 U/ G8 ^) c6 |8 C( R( P/ S+ H1 f5 q, B5 u+ [# h
turtles-own[9 |% b' P+ J0 @. @* U7 k; j* {
trade-record-all
0 ~. d3 P) z/ c8 P. l% r; p;;a list of lists,由trade-record-one组成
' \. [- C0 p: D: U5 A6 T( ktrade-record-one; X( M* u( t$ w! _( }% ]
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录. g$ H- b2 V& g M% D7 P( E! \% ?
# s! u; G9 c. M6 |1 q; E6 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]]
/ _2 \' a0 V+ w6 g3 h' Dtrade-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]: \/ H9 G& X% i6 V( I( k) Q
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
: y0 `) X" h6 j8 f7 a5 l$ Bneighbor-total
& j6 L6 V" B! x2 i( o! u; e;;记录该turtle的邻居节点的数目% p4 g' [0 S# ]/ V" R0 j4 U1 v
trade-time
% |) s; {1 S t* P% L$ }1 j& r1 |+ A;;当前发生交易的turtle的交易时间2 N6 s# ~2 ^' e J; x8 e1 \
appraise-give/ Z+ v2 S' a' X; @9 X8 P4 n
;;当前发生交易时给出的评价
+ G/ n4 l9 \" b5 Z; V2 p7 f9 rappraise-receive
, d k* l' F- S) R0 @. J' R;;当前发生交易时收到的评价7 M8 F+ N1 j& ?/ k: X$ D7 Z
appraise-time
$ W' ]( U' P# I;;当前发生交易时的评价时间3 O. B% }( X+ T% s* u9 h
local-reputation-now;;此次交易后相对于对方turtle的局部声誉) k1 y+ T2 l) ?- \" F' w
trade-times-total! ` J' Y# V7 u- P3 G2 z5 V7 S
;;与当前turtle的交易总次数
$ ~& P1 ~1 {% C. _7 I+ z w# p* v8 ~trade-money-total% B% D$ V3 F: D% l- [
;;与当前turtle的交易总金额
( c3 r6 {# I# M: c; Olocal-reputation! {0 p5 |: {9 }$ e2 g
global-reputation
2 F0 ?) V4 q& H0 {/ mcredibility
. y. r7 d5 s3 a;;评价可信度,每次交易后都需要更新1 P5 u# _5 z6 h* |$ j
credibility-all8 K( I' }; H) k
;;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
1 e7 L; ?" o& Q4 `' n. P \* ^; m0 @! [ x
;;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0.55 m( H* k4 ^! t3 N$ i
credibility-one
: _$ v) p3 k- [: q. z8 i;;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
3 _# e0 N' z! P/ fglobal-proportion/ H: ]3 C( T1 q
customer$ ]9 a" F) N) I. ]9 _! x0 U @1 u( ]8 T
customer-no
& `1 R4 H0 ~+ `. P! {# etrust-ok
1 M4 G$ @; ^. f2 u5 U# F' o2 ~trade-record-one-len;;trade-record-one的长度' Z( ?5 q x( A9 y1 T
]
4 s# N( K. P* @, J; ~
& F, ^6 ]4 _6 V6 y+ G;;setup procedure+ | W4 g1 ^& L* j* [/ X2 K! W
$ D1 {3 t8 Z/ t; x @to setup
$ W. V+ T/ j* F4 l3 G3 D* D+ h; J ?; e1 W. w( W" N P
ca) W' p: |0 H( W+ t0 l
; R. n* E7 c3 J' l9 W2 qinitialize-settings2 a8 v0 M' s" r9 U7 s7 \; j
$ G6 D, W; Q! C' m
crt people [setup-turtles]! S' O) I( Y6 k. p- p, e, V* |
( X, S3 F7 r& Z/ jreset-timer. h) L% U) ]7 l& H/ g' J
; d4 m3 A$ N( U0 A7 P2 f( Y% S7 Q
poll-class
1 `9 S( B* b6 `& {: q7 p& L$ Z( e
setup-plots# f7 w/ {, ^: H- f( }
$ J4 d( e5 w9 v) jdo-plots
: X! H. f$ [: ^ K( L3 R4 Eend5 P. }! j# ~6 W. [( q' T
7 J4 C0 t) v" X' E: Nto initialize-settings
5 |, g1 g& L6 G/ |
' E0 Z9 B8 ~0 O ~0 Fset global-reputation-list []0 U. u( S( z: Z( ~ h" q; ^" E
% @5 x- A% j: _, U+ y
set credibility-list n-values people [0.5]
) {9 M% \( Y9 W1 X. v! a& C
/ W5 K) F" F8 r! f: M& Kset honest-service 08 G1 c% Q1 E2 p" h* }" y( h
/ F, c8 Q+ h# N p; A- P9 i
set unhonest-service 0$ M' y: }& U) x( u: D
3 H, c' d1 K1 Vset oscillation 04 j0 k6 ~+ z5 @! g* K) R' V; Z
# j0 u* o) w" W; o7 n: }7 Y
set rand-dynamic 0$ v8 g4 J# x4 a \! f2 V
end
. Z6 g. h6 b" ^+ L% Y
j8 l8 v: f8 t$ @8 {% m) Vto setup-turtles
" y4 O n% m) h9 N. ^! uset shape "person"
, q2 D* ~9 Y2 A" u+ i5 W& w; lsetxy random-xcor random-ycor
; N' [" R0 u, m. gset trade-record-one []4 h- K7 ~6 ]7 ~
1 z; I# [. @& c, q5 gset trade-record-all n-values people [(list (? + 1) 0 0)]
( _ I6 J ?# d* B1 G9 Z+ j( q, ~, {- H0 ~" J( @8 Z6 [ r5 t( ?
set trade-record-current []
! f) u K7 {* ?$ Z' j3 _set credibility-receive []
' }7 _$ i2 t& hset local-reputation 0.5
$ V8 l/ Z" M% }6 B! z, Oset neighbor-total 0/ `2 w8 ?7 C3 P) e; w0 J
set trade-times-total 0
3 v0 @, K: O2 c' w. y* yset trade-money-total 0
- J% B; `3 t6 tset customer nobody
" ]! H$ A6 C; }* Y2 a! Kset credibility-all n-values people [creat-credibility]
( j) x* x0 |/ V) d1 H" ~set credibility n-values people [-1], a0 F* e8 E; P# t+ D
get-color
' m+ g9 v% z5 _- k8 ^8 @
6 h# g9 X+ b$ [1 A" W/ Send
6 z* U9 p( E$ B/ N( ?0 g! |
: W) U" I" k: t) ~6 j. `, f5 F2 ^to-report creat-credibility1 ?* b m. A$ c; y$ Z( z F
report n-values people [0.5]' ~0 a6 {9 f6 [
end6 W+ j4 y" E! q
( k* i# o, d$ g$ u0 yto setup-plots
- A% c9 I7 ?! }; e, K$ N3 S
: C" ^" s+ c8 d+ U# ^9 iset xmax 30
; V$ \( O/ E6 w# v
9 O5 q8 m% W8 n- z& Y4 W$ |set ymax 1.0
+ U7 F+ V# H8 M8 N. ^7 z( E+ F5 @! `+ q# V; T9 R$ n4 k) G
clear-all-plots
R, ?: C' h5 {8 o$ D. r( Y6 N P7 L3 P0 t8 {, ^8 Q
setup-plot1; T P) X" x2 X+ `$ s* W5 ?6 |6 w
0 h% S% z6 l9 O' g9 c b
setup-plot2
, Z1 T0 z- J0 J$ o% a3 ?8 t7 Z$ i1 x% o9 D0 N* w
setup-plot3
) Y; H1 F& _' D- q7 {end
6 h1 P! x6 m1 |' w3 D
- E5 v% m* b+ T( H;;run time procedures
4 Z4 x9 {6 c( K; z$ |4 p
$ l; {% S; `8 O0 Hto go' o* U7 U) I, r) ~, A0 _7 u
3 q- A$ m- p& Z: i& y1 [ask turtles [do-business]
7 k& Q$ |- s" ^end
E% P: Z; C, _- r. L& w) c+ e f7 M7 P
to do-business 6 {4 z- {& p. b: s! C; _
. k; i9 L8 Z: _; {
/ }$ t7 q0 j* p) e( grt random 360
( ^ s- O; \0 Y) ~+ D, D1 o0 @
fd 19 R" _8 P* n1 Q' X
+ e2 q+ [8 R+ Q) [
ifelse(other turtles-here != nobody)[
3 E3 i( u M/ G J/ v. [3 m- V( n+ J. [0 A) v, R+ r4 P
set customer one-of other turtles-here
$ ]. A D% ~- O* ]* K3 R6 [
" x* ` Q9 o6 v5 g;; set [customer] of customer myself$ K! a9 n, O* z3 G; l
6 G- Q2 E" N- v3 m: d9 |- }
set [trade-record-one] of self item (([who] of customer) - 1)
& O! O4 n' P" X8 k[trade-record-all]of self
) }* Q1 c8 ^0 ~0 Q! h$ h;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
7 s5 f4 b7 I$ T$ t9 ~
, b: N# z r9 W) a. M. Iset [trade-record-one] of customer item (([who] of self) - 1)- q- g) g+ o$ t1 j9 c
[trade-record-all]of customer
. [. `4 U( `/ t& T8 J' q# D! R# D' Q
set [trade-record-one-len] of self length [trade-record-one] of self
6 l3 K& P" p0 g. ]- D0 D8 W; L/ w0 i) j W6 G
set trade-record-current( list (timer) (random money-upper-limit))' ?+ o. B) m1 y1 }* |( p/ s
6 J- F: _: L( C& J6 b# T R
ask self [do-trust]
! b% k! z& |1 ~4 _* \;;先求i对j的信任度3 d1 O3 a" G3 [& l0 k Q) O7 Z; x
, k, k+ I' d1 A
if ([trust-ok] of self)) |+ ?# \ J8 w4 [+ w; o5 Z/ O
;;根据i对j的信任度来决定是否与j进行交易[
~. S$ I! a+ fask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself2 i6 R. X# u4 M! m1 y7 r u, S
# N3 z2 u: \3 c" G
[
+ d R! G+ ~1 `& {. i8 v0 ~2 D5 l/ t. V+ ^8 P1 ~2 E0 `
do-trade
: o; \( b# e8 t' ~
+ `) S; U- Y; I$ _# O' C+ cupdate-credibility-ijl
, a7 T' o0 q [5 @% j: S4 P8 f) G. Q# }7 a R
update-credibility-list2 p. q6 U) E1 B$ w' M2 l
% [ _# A/ z% [
# N; h; B1 Q- O( j* C8 cupdate-global-reputation-list
5 S3 o2 H0 N/ K3 x- M/ ^* ~7 h3 F' u8 u4 d; [' [' J( ?7 e
poll-class8 ?% E p7 g9 ]
2 a \6 v8 u: N" u' Yget-color/ a2 |8 v' e) j/ A# m+ t ^* R
! L+ u& y, C1 ]# S" M2 P3 R]]3 [3 @: g2 H; W6 t3 c
+ m: `) ?) z* L+ n/ B$ ]4 u& P
;;如果所得的信任度满足条件,则进行交易
- j$ M7 f4 \* S, p
7 l1 J T* `8 i6 T7 z% u[
n& X6 ^. ^& R3 Q5 x; I- c+ ?$ `/ |
rt random 360% e% o1 B$ Z; p* D6 q; p
5 q4 b6 n( d5 I, C8 |# u" r8 Lfd 19 {. h" @. |8 }
5 W! Y' d* C4 d0 x" ?- Y
]
2 _8 G3 d p* v; t& w5 @; l6 O/ m, ]6 e
end
" c, b H7 [/ y1 r: j# I$ L
" N4 C+ e( {4 ]/ Kto do-trust
, p+ T P! G; l, @9 }9 `3 bset trust-ok False7 r9 M8 _# K0 J* k( U p& @, L
: C* _6 v9 z; F( o
1 [+ x! l% n- v9 Z, j% T
let max-trade-times 01 S3 N& E8 w: e h$ v
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]2 V7 W \6 z0 G# c6 W1 |! N
let max-trade-money 02 g, r- Q, m: E- C" X) d0 ~
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
* w+ i) s1 A) mlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
* }' M& B7 I8 e; q1 I/ X
8 n/ y1 Q# X9 J) s
2 V b1 C, i* z8 |5 o3 Iget-global-proportion
! u" k) v' |3 ~# N5 q( {5 V1 Ylet trust-value
7 e& u2 C9 P0 X2 f2 Q, F9 flocal-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 u7 R( b) w: |8 Fif(trust-value > trade-trust-value)
) c2 h' O4 y$ k* J: I6 Q9 c[set trust-ok true]: |" v# D, N/ c; z5 z) O2 ~
end
/ W' M1 R, b, i0 O7 X9 V" K) P% G- ^' [) m+ g( t) O
to get-global-proportion3 A+ }2 ^7 `1 X6 e4 i9 d
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)5 m5 B, e" ` n3 @$ u
[set global-proportion 0]
j, N) |8 ` T[let i 08 q' H2 f" b" t% K
let sum-money 0
! r3 L( V8 _0 L# T. _1 V( o( d; `, xwhile[ i < people]9 D" J+ k% }2 V4 t
[) _8 Z/ I+ G: }* X q
if( length (item i
; V x& M/ [7 v[trade-record-all] of customer) > 3 )
3 q+ x7 X4 Z: W[7 A7 K/ o' b( m- B! f5 b
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))$ m; e* D9 o; I
]
' a& F. F2 l: W+ w- y( D]5 C: X1 ^& F/ n( ~
let j 0
% Z& U ^% L! Z6 \let note 09 n+ d2 [, u% \4 f7 S5 X, c( t4 F
while[ j < people]) h* `! i0 z1 Y/ t- L! t
[9 I/ R! Q! _6 @7 n
if( length (item i& M1 W; o0 K! E0 o
[trade-record-all] of customer) > 3 )
$ s U* d4 I R1 V, ~' E9 h[
7 D. }8 y! L+ G7 g" W: Xifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)2 a! d. z, @9 _! m% z: e6 _8 ]$ ~) n; V
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
. a- G5 u3 P/ Z1 y! |) m+ e8 M! S[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
' q8 O4 W- m, d' c. b]7 f7 k6 j2 n5 M' I, \7 H; r! d$ [9 H- u
]
. Y6 N* w# ^6 Qset global-proportion note9 a, Z' |% w- m, z; r
]6 e* E7 v0 @! n+ {8 @
end& M% k+ Q: u/ J8 U& A6 X7 E* s- h
M0 i# l g/ K/ e- T
to do-trade( Z [( F1 m* H5 y& ?8 b
;;这个过程实际上是给双方作出评价的过程) u8 f2 O6 `: H& ?. Z3 \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价0 B# Q$ H$ m* e
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 ?8 f. L; L( a5 _/ uset trade-record-current lput(timer) trade-record-current
3 f/ n* K- K( `- z9 o0 p;;评价时间
& i9 q' {7 `0 U0 h8 Uask myself [
* W9 e7 y* } a" v. X4 d( gupdate-local-reputation
% F' l9 q' P: D v+ eset trade-record-current lput([local-reputation] of myself) trade-record-current
h# P, Y& m$ j' j+ a4 z+ o]! L8 B0 q7 J4 W
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself. |3 {& w8 G, j- }1 ~3 n4 a1 W
;;将此次交易的记录加入到trade-record-one中$ C& |( k. }( E" J" x* j1 r
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- j/ E9 @8 s3 N
let note (item 2 trade-record-current )% U. G& d& Y9 o7 P
set trade-record-current; r4 Z) V. E4 A1 V5 g4 ?3 \+ f" n0 r
(replace-item 2 trade-record-current (item 3 trade-record-current))% {$ G8 [3 z0 A$ [' y) F2 o: X
set trade-record-current/ X0 Q5 w9 q! w2 z& N) b+ Y& [
(replace-item 3 trade-record-current note)$ f& z7 Y$ ~4 j1 @
4 G. b) D) \" }& ~ q( S
3 H: d' X$ j6 M# \# p3 \ask customer [2 M: b& M$ }: \9 \- z( Q
update-local-reputation
/ _4 R. ]: \+ ^2 C4 [: S4 r# ~set trade-record-current
8 a; r. F- x* M4 E \8 O(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 3 ?: c% ?9 L; B! ~4 ^
]
- t# O3 i; f2 a- [# o O+ F, w* b0 U5 T! ~
, j/ ^: T* V, r
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
$ M8 ?+ C* _. u( ?+ r$ ]6 R5 ?) g0 q: \' d" i5 B; ?5 z" D
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))5 D7 e) l$ H! r1 |4 A
;;将此次交易的记录加入到customer的trade-record-all中
# \8 g8 x8 n/ i: F. W% @end
2 Y" j( c- [ `, S3 j' a3 E- b( c; y2 t4 `" x% _( m+ t- y
to update-local-reputation
0 I/ X% w& a# _+ [" R" x& z" o, tset [trade-record-one-len] of myself length [trade-record-one] of myself
8 ^1 G* N, y D3 |5 H+ ?
- R6 a4 T+ H# [; k) ~# c' O' U6 x$ [) c8 F5 i
;;if [trade-record-one-len] of myself > 3
! ?0 W/ W/ V+ W# I) e! Mupdate-neighbor-total( t; `7 T( `, Q& F7 Y7 n
;;更新邻居节点的数目,在此进行
/ F. [: @- I! ^7 T) olet i 3
* k: a' z7 T* x5 rlet sum-time 0
# X1 Y3 n# m" S! w% y/ Fwhile[i < [trade-record-one-len] of myself]5 l2 c$ H: p# f" M$ y
[1 U) t! j8 e' w& ]
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )# h0 V5 `2 ?/ f% I; H! E
set i
/ _9 H2 y$ f3 F$ n& H- P( i + 1)
" q5 H! [' j; I5 W! c- r. D]
" Q- @8 I: [2 R( l! a% P: ~let j 3% e I; J( N% c+ k6 k3 m1 C
let sum-money 01 b9 }4 v4 z5 P- p# J
while[j < [trade-record-one-len] of myself]& J: X2 s. @3 G' y
[ u7 ?: w. ^: z2 @9 i* }7 h A
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)
H! e. m" b7 Y4 o! w; Yset j# ~$ {' f0 X6 V6 z+ Q
( j + 1)
: e, E6 @) O3 U]
' P+ b5 {5 O& m: n9 x# klet k 3
! X* m( l. j. W) L! _$ Klet power 01 i: k* v( c* R, `2 i
let local 0' T8 ?% O6 P; x) _/ _
while [k <[trade-record-one-len] of myself]$ f. r8 z, T0 |' }8 K8 o# j) d( ?2 k
[% v3 p& X) S' {$ F- 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) 4 G$ a2 ?: Z, ]; E
set k (k + 1)1 W+ g M2 W0 R+ H
]
! }, v9 z2 V" R$ t2 D) i' nset [local-reputation] of myself (local)
- w$ } D7 w7 Tend
8 J5 q, k* I( O
' B4 g' ?0 V+ D* G+ e1 Eto update-neighbor-total
) ~1 F D) R. w" P2 B: C6 T8 [2 T: |: m" P7 d; l0 ~" J9 ^5 O
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]+ p6 r" K* [7 G1 D# w
3 [6 B K; R; g- g4 P
2 [9 I7 h3 n8 _1 L5 p7 t4 Xend8 F* I' y+ B4 N( P
" ?8 t( b7 x1 V1 O# l P" Q) p# Q
to update-credibility-ijl ( G. m" Q- ?1 e
. A* u6 s$ c3 d4 @; j. ^8 Z;;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。1 F# {. x. Q+ C0 r, c9 Z- ~1 N7 c
let l 0
/ l8 V* x' i6 t# A& J; c, Vwhile[ l < people ]
' u ]2 h. b( W% S9 |" Q) @+ q;;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 j. w4 _1 I3 q F1 E# @8 h
[# z( s& L$ Z$ }+ D$ L# r$ [8 c
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)5 g4 i* g8 o& i- R- U' L
if (trade-record-one-j-l-len > 3)4 n8 J" O3 Y) i3 K9 Y
[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' u; D0 m: c" t& C6 a
let i 3" ^! i. h2 M6 M7 f+ Z3 [
let sum-time 0
9 v+ G1 h6 l- q. l4 kwhile[i < trade-record-one-len]8 U; F* |" j4 P$ ^1 A1 q& o$ S7 Y
[
9 P9 r& {+ j! ?9 E- `set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )" \" P' _5 A" V( i3 ]
set i& r! W9 L. ?" Q+ }5 |
( i + 1)8 Q) G7 a( t4 A' W& e) S* q2 F
]9 @- b6 h9 s! ?4 D/ ~' N: b
let credibility-i-j-l 0
* x' X" k: B) M;;i评价(j对jl的评价)
2 \+ n. [+ Z" n0 ^* I2 \let j 3
" Q7 [0 A$ R* H" q4 f( Tlet k 48 C0 M* I' l6 b! o" {4 ]) @
while[j < trade-record-one-len]
& f" V' D) o7 F9 ]. K[
1 ^5 I7 B# T/ a. a0 P2 y0 `& lwhile [((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) h. L- D- j- J
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). u/ M2 n9 L& Y1 {' f* c
set j
0 s9 |5 X3 g( | r2 R# t* t0 P( j + 1)9 `2 ]$ }. v# m" W/ w0 h8 r
]
8 E c) R/ l+ g$ r7 mset [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 )) H$ ~/ K) g) s: g- `
' v0 \$ h: a5 _9 e4 J
7 ?, z( o+ u) \8 e9 X$ l" `
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
. P' t# `/ K9 r/ h: x5 _;;及时更新i对l的评价质量的评价
9 [6 ^+ ~5 {" @9 f2 Q, s, nset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: x$ Q7 _9 X- q! T5 Iset l (l + 1)
, @# s" @8 L+ C+ } a' m]" w' ]8 u2 w) i# x/ U
end4 u1 t! L6 Y g% t& q; f( G2 c
8 q; Z( D1 L4 S! Z0 b: Vto update-credibility-list
$ T. G9 s( k+ \( i5 Llet i 0
' M+ ?: Y0 i/ j6 d+ G6 _* cwhile[i < people]' R7 ~/ S1 l; V/ ]
[) `2 A0 ^5 @, @6 o2 S. c& V
let j 0
o# r5 n' K" Q) Rlet note 0
% e9 N: M4 \' I0 G9 Klet k 0
* A- }7 H) V; T9 \% `3 x" h) [/ t;;计作出过评价的邻居节点的数目
0 i" g- g6 J: u# z/ N- P1 Uwhile[j < people]% n; }. d4 K) {5 a9 G& S t
[0 O7 C) S# \! g4 c" C; n/ {7 X
if (item j( [credibility] of turtle (i + 1)) != -1). {! P/ ^! h, b
;;判断是否给本turtle的评价质量做出过评价的节点
3 k" d) L9 L( }9 K[set note (note + item j ([credibility]of turtle (i + 1)))
1 N5 [; i& v$ c1 ];;*(exp (-(people - 2)))/(people - 2))]: K9 G) ~& r" n/ u8 m& H
set k (k + 1): @8 j3 P2 A$ ]) i4 P# L
]0 K2 k, I2 Z+ m D3 R
set j (j + 1)& N0 X/ ^ A9 F! S2 }3 p& o6 x
]
4 ^/ Q0 P5 b Z/ A2 j* Z3 bset note (note *(exp (- (1 / k)))/ k)
% m8 C4 N+ U- }' A+ f4 bset credibility-list (replace-item i credibility-list note)
' J$ i8 }3 X$ P& G( ^set i (i + 1)
* p3 [5 k' W3 }" ^( M1 c]$ g3 [( [: G4 }: X
end- z0 z6 o: A) J& V
2 j4 A2 C ~" q" }+ `) `/ o: Tto update-global-reputation-list2 z& `) k* E1 f" f- S n
let j 02 ?2 `/ Z$ T' Y1 K+ L) G X
while[j < people]8 X( z( n! Z3 G" j8 W+ ?1 i
[( a* ~9 p1 Y% h5 |6 Z3 ^; i, g' h
let new 0' w" O( y$ }. w* C3 ~
;;暂存新的一个全局声誉
% Z5 {$ H) x9 i: m' A+ V, Wlet i 0) g$ {. b/ O1 J3 n
let sum-money 0
7 V& w6 ?# d4 \let credibility-money 0
5 U8 C$ Q! y8 `5 {- a# |while [i < people]
, x4 |5 j# }4 f6 k/ H6 Z[! j. R, I1 U' H& _, H6 ?2 v
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
* u' D7 N+ ?+ k3 V& H4 eset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
' K- t- W+ ?: o3 S( L2 k o3 ~set i (i + 1)! t7 X6 v% _2 N# g6 K
]
/ y% S: k# d. x: \: Z) p" y4 Jlet k 0
! G& n. I' R5 C: C) x& Nlet new1 0
, N0 t5 C, i7 f$ z" `! f8 ?while [k < people]' e3 d3 Z' i8 V7 v/ B7 J9 ?
[
# p% o3 Z% ]- Y% N# A7 w4 j+ Gset 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)
: i8 W/ a5 `/ w: P, nset k (k + 1)" ]+ G3 T9 p9 M! j
]
4 T1 Q7 T& w8 n! j5 Zset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) - |( t% S2 g, \% f8 Q0 V
set global-reputation-list (replace-item j global-reputation-list new)9 O M) X" q" A' x. G1 f* X
set j (j + 1)1 ~' w# Y! c7 \ m, G
]4 E9 \$ `) C0 \0 k; h0 J0 h8 P* f
end
# s$ m1 O/ k/ L5 w; n4 h( L9 A) i( ]. x9 Z% U- B/ G
+ r9 c( K; W8 }- b6 W3 ^$ g! u4 |9 u1 g
+ Y& `& ]- M8 S" @3 \1 cto get-color1 U: C% |" Q# f5 C# z
+ a/ y. `: y& P+ ?0 s6 vset color blue0 ^+ a- w' O% a) d# V; N# \
end5 X1 h- z# B& E x2 d6 \
! D7 H) T& w! K1 l' }
to poll-class
8 Q6 r$ j; k0 b- e8 |% a/ M1 xend
- v$ S) X3 K% r, e; P
0 |; J& c( h, K- E1 p% e2 _to setup-plot14 ]$ X' O/ c5 K& o! B3 \4 n6 t6 y6 H
[% o8 U; V& K! V! q( z) O$ Cset-current-plot "Trends-of-Local-reputation"
$ M7 t6 @ |1 s
/ m8 Q6 [1 H" ^' ~& k: Bset-plot-x-range 0 xmax
9 f0 ?# P0 N1 J2 N' w, |+ M! D7 U0 j
set-plot-y-range 0.0 ymax; r5 N f( d% U4 H! v
end
0 E! L9 l# J8 D* t; {0 L2 B2 e* O- h" d) G R$ ^1 D7 C
to setup-plot21 c7 X: t+ l) b3 i% o! O" u
, g' \* q x! l: x, ?2 z
set-current-plot "Trends-of-global-reputation"
$ r; S3 d" T% P6 W7 ~1 O' U( U' n. l& Y# H. j( @2 d
set-plot-x-range 0 xmax7 |- A, v/ A0 L: b Z8 P; v3 o. I
; y }- N9 W4 q6 x6 A- C, Z4 h Nset-plot-y-range 0.0 ymax, z8 W# E. m' Q# \# r& _
end
) w. A3 N& ~/ d; _# W) U* R! [, Q { ^8 q5 }! D" ? m
to setup-plot3
% H5 W5 ^, m2 @& ~/ T7 J3 ?% p z P& @7 o
set-current-plot "Trends-of-credibility"8 v, ~7 E% M6 r) D2 X
( h7 f/ N' ?% `2 w& K" g( c; B
set-plot-x-range 0 xmax
- Z( f& O$ M" U* f3 N
- @0 x1 a2 ~1 W2 |, C( t% O, bset-plot-y-range 0.0 ymax
5 }+ F7 m. d: e$ T6 g5 yend# O: y$ J0 C4 P4 D2 \
( \- o0 A. d. Q) x/ ^! gto do-plots
- q: \' Q% |5 r1 ~5 L) f) [5 E0 Kset-current-plot "Trends-of-Local-reputation"
3 h; S4 m1 o6 Y. Pset-current-plot-pen "Honest service"
8 _- C2 L, R. c/ _0 w" k6 Q, u9 Oend
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% C! X- U1 @6 H[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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