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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
+ W3 m) |/ S7 }: k* L0 qglobals[# F b' Y8 ? F1 U' u$ K8 m: a
xmax
; v4 R2 M! Q3 I5 n9 Cymax. O0 v @1 I6 q9 T
global-reputation-list. e0 y* S8 B% `$ U" Z
- |- v9 R# u+ V+ I, {$ J( f+ m
;;每一个turtle的全局声誉都存在此LIST中" \( z- @0 a4 ~ Q: W& z
credibility-list
% A5 `, G) k4 E. M;;每一个turtle的评价可信度
, X7 l+ y9 t1 B$ W# Thonest-service$ Y$ R5 Q2 v5 ?$ O( s
unhonest-service
% U9 }* \/ J% V( ?oscillation4 |) R. t2 W5 n' M" ~
rand-dynamic0 f% F* |1 M+ r. A& x: p* k
]
5 l- P; \8 j' r0 f0 P, \
@) }: v4 j* rturtles-own[& n0 x% F& j P3 N* W n
trade-record-all
" n b, C( ^% t) k5 J;;a list of lists,由trade-record-one组成
4 j; M3 b9 u6 B8 I) t$ z+ Jtrade-record-one& n$ ~3 I; ?8 p4 R, L; K
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
! X0 S$ K' Q5 y) R1 r, `) z
7 q; {/ z, J# q1 J e;;[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/ I) v z! ^$ f
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]7 S4 |7 c% C: B
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/ K& J' r4 F+ L+ |; q4 e
neighbor-total# Z5 W# D" b# ~7 l- I/ ^' w8 t
;;记录该turtle的邻居节点的数目
; J$ X( U$ X8 S. q- z" s, }4 ~& P/ ~trade-time9 j0 d' j/ P, B3 I* u$ S
;;当前发生交易的turtle的交易时间4 i: e$ A2 `# D& e/ k/ C2 L7 F
appraise-give) _' { [2 B; D3 J
;;当前发生交易时给出的评价4 i8 x( T) j' a& b1 F; T" G
appraise-receive
4 I, S3 Y5 k( n/ U% G;;当前发生交易时收到的评价: v6 I4 Z7 A* R8 T& H
appraise-time( N& l t& G6 y) b
;;当前发生交易时的评价时间
1 ~5 ~4 X. d7 q1 I! Dlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 ]/ y: b! J6 _trade-times-total2 x k0 O5 O" x4 [6 I: u
;;与当前turtle的交易总次数1 K& o2 e2 I: v( v2 y: o
trade-money-total
3 ]* {6 W# D9 @1 w7 q* g! k: L. J;;与当前turtle的交易总金额
, |+ C8 @" ?; I3 c/ llocal-reputation
* Z( i! P" O. \. G2 @global-reputation9 E8 [; c* @0 z) b- {0 g
credibility
5 J6 o. d+ R6 [" J- H;;评价可信度,每次交易后都需要更新# R! T1 p. a! l$ b2 L+ n
credibility-all
9 o6 Z6 S3 u% C/ z: O1 I: b;;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
/ j. U, a# @+ _ V4 D1 E2 H
1 |1 J+ @6 d7 e( f;;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
$ Z2 U) G& G$ ~; o$ Z4 ^ U, i$ lcredibility-one
) w& X7 k6 [& O+ X( W* _;;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
p3 }3 I4 f! C: H1 N) {global-proportion
% A5 \ A- A8 g2 s. W: pcustomer
9 O" P3 R8 M0 F: v$ m* I% acustomer-no
1 ^5 ? h2 @7 P5 z h5 ?trust-ok7 r9 A! P- V+ O+ N, G8 h& p
trade-record-one-len;;trade-record-one的长度% ^: U/ Z* J' e1 a. l) u/ |- [" a
]7 G' ~( I0 F8 f
: U) V% h. A1 |7 t+ C: d& _+ W;;setup procedure
( m. ~/ [2 G, [; ]4 I5 [0 J$ R" G
' A3 X3 A9 {! tto setup
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ca6 h. k, p% D: _% c& P' r
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initialize-settings
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crt people [setup-turtles]/ E e! N" Y" j$ f/ X+ F# w
+ {7 |/ C9 T/ }3 r; Zreset-timer
6 n! U, T& L2 f3 F! w- u/ V+ i" M
poll-class1 F% Y, H9 |# \ s- ]6 _2 f6 X
1 u7 ]1 A6 U3 k% T+ L4 Gsetup-plots
: u! X5 }# J; K
4 W; g$ [2 f( L8 n! ido-plots
( i/ {4 B7 J9 D; @end) F- Y* h8 z7 R3 a! N' H; i: I
7 s# e5 g" g4 r2 R; a u+ Sto initialize-settings
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set global-reputation-list []
+ P( |. K& h9 i$ B2 T% v8 w. M; o: H7 n& M6 q8 }( v( G2 D6 ?+ m
set credibility-list n-values people [0.5]
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set honest-service 0; t. m7 c. P4 W w# N4 ^4 |. P* X. V
! {, Z0 B: D- `6 X! K; R! M" i2 bset unhonest-service 0# `; h7 J; u* f2 a5 V; E
0 v9 \: l2 R4 M" O
set oscillation 0/ b) T" C: `1 P4 _% F! c* M( R
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set rand-dynamic 0
m% i/ M# k2 Q7 d" w$ u, f3 mend
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9 @% U2 V! M; `* ^ Qto setup-turtles 0 u6 l( j4 t$ b' Q. |
set shape "person"
* x, ^! h" _6 j- f1 U% msetxy random-xcor random-ycor/ H$ h: ]- P& T2 R7 T! i2 k% C
set trade-record-one []
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3 P0 ~( v, P$ M! \( I6 Oset trade-record-all n-values people [(list (? + 1) 0 0)]
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set trade-record-current []5 g7 F$ r( g9 A
set credibility-receive []
8 u0 N7 N0 r4 X' `set local-reputation 0.5' W$ h% J+ S+ l6 {9 q) ^% g0 S
set neighbor-total 0: g2 p: F+ n$ d, L$ i* d1 [' [
set trade-times-total 0
; B" j! m K5 `: S" Xset trade-money-total 0
& b) n8 ]* r) v& I% gset customer nobody
2 r0 z7 U+ n% j5 t: j0 dset credibility-all n-values people [creat-credibility]: m5 b |% G' ?% ?6 n
set credibility n-values people [-1]; ]( i2 A# f- l/ F" s
get-color
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& r+ c9 ]# l) N% `7 |2 S) rend
M2 S% ^! V q @; X( Z' K! E, Q- e- K3 O9 _
to-report creat-credibility3 l# e+ t6 I4 c
report n-values people [0.5]
" |( X9 X0 G. ^* m5 mend/ S, ]& E7 y; r, U. {) U
5 `1 i7 ?! v. e( E) }
to setup-plots% e: X. w s1 `2 B6 }) l) e4 E r# o, j
/ V; b: R; F' A9 r1 V- ]# Cset xmax 30
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set ymax 1.0
$ S) ~ z& P+ c5 B3 A) ?* j) |. X0 b) z6 t) o7 F# B5 w7 p
clear-all-plots% b, m7 Z" l6 T5 j- R
& u' j+ l1 d2 l, Esetup-plot1
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6 I+ P* R& n1 R K" B5 hsetup-plot2
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0 t) v: H& n2 L0 d9 @" Dsetup-plot3
7 d3 ~, T- _9 tend
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- m: T: I4 D: R, z! h* l4 v2 Z+ };;run time procedures9 v; } c! ~/ C e" j# ~2 B6 a
, H& s! N# r( \$ E7 w; s+ jto go
$ n( j- b0 M/ M2 ~$ ~! S0 E0 n/ [, G. L6 L2 w
ask turtles [do-business]
9 O" \4 Q- v. A; S2 |1 H" B zend
* u5 x& k* c: p1 p! ]+ Z
! e# O; f3 z2 fto do-business 5 t) F8 c5 |4 S, q; `
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$ o6 U% N M; c* ` Q! W4 O: zrt random 360
3 [4 K- a4 ^" P+ o" g T! X$ p6 W" z( e$ l& ?7 }; |. {
fd 1
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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& j3 ?+ j, a) s- n$ D;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)" T; p* P1 A6 c3 z# b) g% V: V
[trade-record-all]of self
k: x3 @3 G" I0 O8 k# p;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
. ^ Y+ n/ B4 d8 D6 X }
+ b6 u7 R6 v+ I9 `0 L4 lset [trade-record-one] of customer item (([who] of self) - 1). k$ f7 @* n" N3 N, @' @5 U
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
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% S9 T; i- `2 x8 S) Uset trade-record-current( list (timer) (random money-upper-limit))) X; Z* Z7 H. o
b5 \$ G# W* U( O0 ~8 N0 b3 O
ask self [do-trust]
( `% K* I3 r$ M$ l! L;;先求i对j的信任度
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if ([trust-ok] of self)
- e( Y0 T9 U% H! B. P$ B! `# p9 q) Q;;根据i对j的信任度来决定是否与j进行交易[
" ?0 {: d/ M2 L( U5 [! o/ c- L) Xask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself j; ~* l0 @) q; Q3 X/ C9 g
, C3 }" |* A# ]5 d a[
. `9 `/ H% J% F/ r6 }2 E
+ } ]; o2 C4 S L: }( L0 L$ k0 J* W Ndo-trade" U: d4 A$ G9 [" d$ k e, @
; Q: Z$ i( R' N0 F9 t
update-credibility-ijl
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update-credibility-list4 Y9 `: C$ Z* |( M7 A, F
0 ]2 P; B* P6 f2 [6 C# V/ o2 [- r5 N3 g( _
update-global-reputation-list
7 [" l. [5 h3 A0 h* s; D8 w" z8 _. ?5 v" [5 X) t% U/ X0 N
poll-class8 o1 I5 ~+ {6 r: p8 G* ?
: ^+ `; I( j* p: c* _
get-color F& Z S3 p7 C. Y
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$ G" @+ D: J& k, Y
;;如果所得的信任度满足条件,则进行交易, n3 r! T3 B5 x& q$ v, x/ {2 v
+ Y. b# n$ K' p) B3 n( j
[
3 \; R" Q; `% m$ n/ }& ^/ w; c' Y- ~0 v, H
rt random 360+ ?9 W, S+ D7 t( z4 R
/ \2 O9 B! B! ~, ] @
fd 15 f8 z& r/ j3 W0 q$ o: o6 J8 z
0 t1 ?+ c1 O t1 t
]
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1 L% U7 {* Z& X5 _! s9 [; Yend
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H- ]' p6 p) lto do-trust ) b0 Y9 z, x' J' z+ v
set trust-ok False" C' o3 i. ~+ K( q7 ~. L" E
/ {# j; n) _, a; x$ t% A+ c. {
& {/ ^% d5 F6 `5 `
let max-trade-times 0) @4 @& o% M4 P
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]0 I" X! q3 m, D: i' ?) a4 i
let max-trade-money 0
1 a2 t3 D! z' y& dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]], h+ S ]( m. N$ b; H
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))3 K* o" g3 w1 i
: \9 t9 D7 S; C) T2 }
7 X% Y) x8 v9 I( K* o( @! |get-global-proportion
# T0 v6 `) z& {let trust-value
: z8 ?) F! {* Glocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
+ c ?7 m: T( B( i/ S4 m7 n5 ?if(trust-value > trade-trust-value)3 X% W: m: m" x) k" e
[set trust-ok true]. f/ K; O- D2 F F f) w
end/ u) p9 m* @3 m9 n C
% E) b! _' g& k2 u* v7 Z% I2 T! Xto get-global-proportion9 G# V$ j( d% M$ I) A5 E
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- l+ o* U' a! D# n- |# u[set global-proportion 0]
3 H( d3 q% N/ I' }, _6 s( G[let i 0/ a9 K6 J' U8 `7 K9 ^
let sum-money 0+ c2 L( _, R% ~; ]# F7 D) y
while[ i < people]- r- W5 V/ H' l
[
; j& N; Y4 Z. Hif( length (item i
* U+ w! z: `. Q7 N) i, {[trade-record-all] of customer) > 3 )
6 [" {4 p5 b8 t[0 `7 f+ c/ V% X9 \: r
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)). n- n; F$ K3 C$ I
]; U4 G+ `7 ]' S- I! R+ {
]/ {& b0 H* Y; d$ q) R
let j 00 L! X: g# V9 P2 A
let note 00 t+ l" n9 G& r' o
while[ j < people]" ?9 P! y4 w$ B( I, J: D; s: S1 e
[
9 S+ ^2 R% i5 n) |$ u* tif( length (item i2 X, l* G9 G* J# b: h0 v
[trade-record-all] of customer) > 3 )9 q* a' l! j( z3 n
[6 o, W C: \$ Z* q5 U k# G$ S' ^
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
) k8 [$ V8 d5 G* I, t2 y1 e# v[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
) \ B0 Z5 w: x[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]. y( Z8 k1 L7 h* b; Z3 {& C7 A
]# } q! r6 Z0 \( ]
]! T7 O% k2 j& O
set global-proportion note
3 ]3 V6 B( V& @1 A7 S3 B, Z! d+ }]; Y, u2 E& K8 `$ f A0 F' d
end$ i, @) |9 j1 n$ T# P# j
1 X- q" c; g. l+ x$ m! d6 w& _
to do-trade: F# ?; s, J; J7 K" T6 c# m
;;这个过程实际上是给双方作出评价的过程
2 X. J8 ?0 ]" f; bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价4 ^2 j% z! I( C3 T7 |; |
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! ?1 z. W+ D! \- I
set trade-record-current lput(timer) trade-record-current
6 m$ V! D* @4 P1 Y6 R;;评价时间
9 ?. w3 b: d7 qask myself [7 J) @2 f. w7 Q7 S @, U/ _' p: d$ m+ [
update-local-reputation
' [8 |4 F S/ b, K; N) W3 Z) @set trade-record-current lput([local-reputation] of myself) trade-record-current
8 F$ ^) y5 M1 y2 j* g8 c]
6 _/ J+ x5 H, f- I- B1 Zset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. e' v7 O& P7 O$ W" }/ ~;;将此次交易的记录加入到trade-record-one中
& L5 |- i/ a' R4 K! b0 Pset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
. Z5 g* d* B' d/ ^, Clet note (item 2 trade-record-current )% Y+ W7 y1 b. `8 l" R
set trade-record-current) [. b, D# P$ d" X8 F ~6 N
(replace-item 2 trade-record-current (item 3 trade-record-current))/ v: P" i( V/ u; k1 L9 h s, [
set trade-record-current) G# Y$ X4 r$ b1 P5 _
(replace-item 3 trade-record-current note)2 A5 j4 @" [! n
* K9 G5 v5 }( f' `
! ^4 w* E" g9 ~, L$ y# [3 Mask customer [
8 V7 C8 d e* g( g gupdate-local-reputation
6 _& p! k, B. q8 V* fset trade-record-current2 O; E" }/ j0 a" E2 g, m
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
! q; W5 R( V0 e6 e6 \1 ~]3 \. M! r6 l( k' Z4 Z) C" F
8 X$ g; C( G9 ?0 m5 I" Y
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer P4 L& y* ?! w- G
6 \& r7 |5 k8 zset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
2 {" X$ ^( c3 G, V! L3 z6 [;;将此次交易的记录加入到customer的trade-record-all中
( y/ F4 u3 ^" o9 F9 z3 r& B$ eend
2 ~9 a. n6 k A3 B; W% i9 F v
! P/ g! g$ G- | tto update-local-reputation% c8 u6 r/ E0 n0 v% H4 M' G
set [trade-record-one-len] of myself length [trade-record-one] of myself
0 c* t3 y' `/ \7 I! A6 Q( v( i( z* A+ m7 \
: V1 s% N* \5 D; I6 d ^# d;;if [trade-record-one-len] of myself > 3 ; ~& g' p$ M2 l1 T
update-neighbor-total) c4 p) O2 _1 V
;;更新邻居节点的数目,在此进行
: P3 d H- Q3 H7 tlet i 33 T! A5 Q5 R c8 K, L8 S
let sum-time 0) M# T3 Q) g( X0 D9 L
while[i < [trade-record-one-len] of myself]5 L% n! a" a4 E$ D& P6 P% l) b7 {
[, R/ |6 f+ \# ?3 Y1 E+ T
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )/ {2 G! p1 _* D( G, R/ N( T% q3 w
set i& A2 G9 @' R. b/ l( Z' ]9 N
( i + 1)1 r8 c; s5 `% A. d" C1 v' _' ~6 o G
]
) l+ E# P8 s% F- Ilet j 3% n( ?6 _6 R3 G2 L0 P) u; m# F
let sum-money 0
' O) @) s! F% ]) fwhile[j < [trade-record-one-len] of myself] `* _9 O! v4 o4 S8 b
[7 U1 s& Q( C# m* f
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)/ d& B J: g. A6 C% A" |
set j
/ l# E5 b4 A) g1 k( ^( j + 1)
- R _( `9 z3 J]8 h0 b- l: e; G j1 s
let k 3
+ l2 Z& e& H6 I' _let power 03 u& G) u1 {2 y/ I' k, C2 A
let local 0; {6 ?" q, x0 l j$ Y7 o
while [k <[trade-record-one-len] of myself]/ a6 K8 W: \, k0 D* t8 A
[
+ d3 c+ [) M3 T/ E5 S$ Wset 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) 3 t8 q. u: H# F& i; g5 k
set k (k + 1)$ d7 B2 A0 C; n0 ?4 J r- `) X; P
]) H- W0 T( o% o( A. Q4 E5 \
set [local-reputation] of myself (local)
! }7 E/ `3 i6 Xend
8 x8 |) x; F6 m: @' {$ ~$ {+ }( v h; [1 a
to update-neighbor-total/ X: e6 Y9 P. _( A8 _4 r* V
* I5 y9 _* [0 O4 Tif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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5 X7 M# G0 u2 o7 ^5 L( n. d/ P9 u. B; { n
end9 R" K3 |- A9 J! [6 ~% f
0 o) @/ o0 t# O$ ^, t
to update-credibility-ijl & a' y; w9 _ X& |* [
5 Z8 D: h Y9 m% r
;;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。$ \0 @, l2 R \+ q! L0 `# u
let l 00 l2 a, r4 i6 G {2 c; i) ^$ n
while[ l < people ]
" r- U7 \" x9 z: w6 U( X;;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; k; A# R, {- q# Y: l
[3 p, Q& s- K- ~; \
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
3 c6 s) A* r& I1 n* H2 A' Hif (trade-record-one-j-l-len > 3)
5 `# U5 m4 U' l[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
' p2 p) m8 n; Jlet i 3
+ n$ N6 L9 ?4 Llet sum-time 03 _, r) L$ _% y6 \! V9 a
while[i < trade-record-one-len]
7 e" _) s' Y1 P) u0 G0 e- D9 I[& X* m4 [' C* ~/ n/ u
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
: C4 q2 B" l0 P! u$ w; u. yset i% Y- k" \/ x0 {; t( D) w- M( t
( i + 1)
, U+ s1 K# q5 O$ }/ p% Z]3 L3 \. }* }5 w' b- T. j& u
let credibility-i-j-l 0
' y1 t' x" W/ b# s;;i评价(j对jl的评价)
8 b3 I1 A2 H' v( N1 P5 Mlet j 3- R' J/ t- O" A. i7 A# N
let k 43 I( S5 y: c& N: |" _
while[j < trade-record-one-len]
O" m/ w) t0 V+ k% ^9 A[9 S3 u7 o% S" { j
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6 E$ u! [5 Y% j* D! }
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)
- q' f9 {4 s9 `$ lset j
2 O% R; I# d5 v- v2 Z* f% |/ n: V( j + 1)) b9 _/ Q" N ]0 h2 z8 ?
]7 y B1 ]- ~. Q3 {& Z
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 )) ^5 J) Q o6 [ F7 Q
9 {1 P/ X( @8 \5 x- A: \
3 s, o3 ?! c! l ^ M
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
# B# [ X# M2 [;;及时更新i对l的评价质量的评价
/ i9 D6 ^- u! \8 n" G5 l' Eset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
. `( e1 T: a7 D, T! ?; O3 C' H/ ]set l (l + 1)
$ j1 w7 A$ S: L! k5 \5 K]
% Q- i2 t- i( e$ P5 N; D# wend
4 w8 `% I( K d- U7 o8 J
! c# y# i" [' o% y8 _to update-credibility-list
5 C. r. F; {9 c1 i- w* Dlet i 0
( i9 r' b5 i/ X3 qwhile[i < people]. f& E) R' B/ g. w. g2 Y. ?
[
! L6 w# H! `" _ A* s$ flet j 0
' | s* t( H/ t( llet note 0* s' |7 s! |0 u# `/ i# R: I8 L
let k 0
# T0 M @% \6 d8 S1 G;;计作出过评价的邻居节点的数目
! V6 C. u$ w) i) V4 N) k( ^9 b2 \while[j < people]
' a+ Y. m6 a' Z) |, T+ D[( w; [$ \4 q; j! p% I! r* d1 H( x
if (item j( [credibility] of turtle (i + 1)) != -1)& s( |+ G3 o) f& F% y9 N& r/ C9 a- d
;;判断是否给本turtle的评价质量做出过评价的节点
0 s. G+ S) H% G; q% r1 k[set note (note + item j ([credibility]of turtle (i + 1)))
1 P9 S+ d$ E, U2 [0 F" Q4 G;;*(exp (-(people - 2)))/(people - 2))]
0 n$ R4 Y: p) ^0 Gset k (k + 1)
C, r2 ?& c& O5 R& T% h$ z]
8 W, E6 c, Z* T2 Z$ Mset j (j + 1)
" ~: r6 _( H( m$ B]0 R( `' l( I% Y* y: A4 ~0 L9 B
set note (note *(exp (- (1 / k)))/ k)
. A3 D5 }9 r( [5 e4 ]; ^set credibility-list (replace-item i credibility-list note)
8 m4 F) d0 g9 I# I# Pset i (i + 1)
3 ~* D) e# G% J* `]: p; t9 ]( z( v1 t& S$ X5 s2 t
end
4 C) } f; ~, w4 }
6 t# S6 p& z3 D5 Y+ H; hto update-global-reputation-list
E3 g: o# y1 w& ? k$ clet j 0
, c9 f: B3 J. t; {4 Twhile[j < people]
4 G# f5 D( H. O5 w# O[2 a8 p: F2 H, {$ j
let new 09 L: l! l0 X8 w- u* J9 x; C
;;暂存新的一个全局声誉% ? `& V" p6 P$ y" |3 G; a6 r- l
let i 0
, ^4 W3 a0 Z' {) k8 h& zlet sum-money 0
1 N5 ^6 E l2 D$ Plet credibility-money 0" z5 [+ c2 l( K1 W- _) R& |
while [i < people]$ n/ v3 e' U) D9 D2 _% o( k
[2 Y, U% y# T2 R3 ]* f
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% L. Q& j" K _ t; K; N! L
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
, @) w# N2 c& I% I: o- n B' j- N" ~+ uset i (i + 1)
, L0 [. n. T6 h1 D3 l y) K, r2 `]9 x0 O5 n% O# I3 f8 S. F6 S) r2 ?- N
let k 0, g: w3 }: k" p" y8 C/ d
let new1 0+ n8 n, q o* c; w5 }
while [k < people]! d* A7 S4 l; C
[
% _, b+ K: f; E. b/ A' @: n6 T* qset 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)
2 o# I8 T9 S# a Tset k (k + 1)
5 u! {' E7 S6 W( T2 t; u3 }, k]1 {% c, Z6 n7 y; D* K$ t3 p. ^/ p( ^; I8 q
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 8 M! t5 K: T& w& k
set global-reputation-list (replace-item j global-reputation-list new); L& s, Q- B7 t0 ?9 M, ^
set j (j + 1)
6 B* `4 R4 z( G# I& A ~3 i], G8 I$ g5 n; s3 X( @
end- }0 j2 d& g% h
- S/ M: C5 k, [* S' a* T9 X
5 [- K9 C4 c5 z+ ^
. Y$ ~8 ^! m" e9 e9 Y2 ato get-color
6 k) i4 I) s4 ~2 r
0 J8 W( n4 [" p- l* sset color blue& V% n# Q2 P! ^" H6 s: D0 N6 w9 i
end6 ]9 \# S! { m7 [7 ~0 a' D
* A" t1 ^- L" A8 B- ?( ?
to poll-class/ Y- T* a1 d. e! K* S: w( m) f
end i" R/ g6 f, W8 _5 r- ~8 c
$ y ]+ A. j3 B, Ato setup-plot1
) A5 p9 \4 O, `* F- j- b/ F. p- N' }, \/ [
set-current-plot "Trends-of-Local-reputation"
' }# q1 q X8 b! q. @
4 |! a/ V7 h9 t3 Jset-plot-x-range 0 xmax |' {5 [" }+ a
$ K/ p. C6 j* I* e- K* ]set-plot-y-range 0.0 ymax
3 ]/ Z' ^5 b3 ^9 send
* O! ?. g7 H3 s- y& k7 ?0 g6 I# z4 d% @. D
to setup-plot2- ~" W; a5 J$ d
! }& }' x7 p& F' Y0 u9 w
set-current-plot "Trends-of-global-reputation") K! B/ `2 M. \; c& O6 F6 @# t
8 c# j/ i7 V+ T0 ^5 [
set-plot-x-range 0 xmax {8 y1 [/ [8 ~/ n7 `5 a7 L- a5 _
. k' c: w R- ?0 z0 I Zset-plot-y-range 0.0 ymax
; y: o" l& } Z$ {4 M1 V! b- gend/ Q, c+ w. |5 I, Y4 X1 X; B, Y
8 S" T! I# s& ~* p' K. v5 y
to setup-plot3
& \0 ?6 o( Z( S) y) D9 @( z: }$ t: n% E( K
set-current-plot "Trends-of-credibility"* D" i, p! ?$ I. }$ D
1 A6 L3 W+ M. C& ]; a$ X( T6 R* cset-plot-x-range 0 xmax
% E; k& W0 T/ j8 ^9 [/ V t
0 B3 A; @+ W9 B( e- \: p6 Gset-plot-y-range 0.0 ymax/ R) s8 r' K, [% ? R
end
+ N& f, F9 |8 f7 ?/ {, J+ h, L8 ~) A- ~% i* \: z
to do-plots
7 t' z# v7 ^, u# J+ K4 {5 Iset-current-plot "Trends-of-Local-reputation"7 u& S+ c8 O. s; X+ X! G8 N$ F
set-current-plot-pen "Honest service"
) q0 h0 q" x, }% x& B# Pend( B$ G. t! P# D5 {, O- c( ?6 H
/ R* v! A# b. h[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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