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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8 K! z3 n4 n. R& `/ m3 P. \; F" [
globals[
; Q6 y$ ~( g* T0 H# exmax( S3 r- k$ `' ]6 q6 S8 E. M) j; R9 {) J% C
ymax$ i3 v! e) _& ~
global-reputation-list
T! z0 n" p6 N: ?
, b+ J C$ P7 U8 I: Z) |' g;;每一个turtle的全局声誉都存在此LIST中
' H; J8 n# d3 R" ycredibility-list/ [1 z; G, B. ~/ a+ v
;;每一个turtle的评价可信度
* u+ Q& R% F4 a& d4 Fhonest-service
/ _0 p) _' Q. b! Z4 @, Q& runhonest-service
1 I+ P* I7 Z7 M. F: koscillation5 M+ c; y7 d, Z
rand-dynamic
, a" Y }: F1 z$ D% i]! G6 @& r0 E% A$ M Z2 i( T
4 l% r$ P1 \' Yturtles-own[
) _ i M5 ^ w% P; Otrade-record-all
. a" t. Y- @" v5 F% Z, [2 T;;a list of lists,由trade-record-one组成, D: e2 r9 M7 {; O8 Q
trade-record-one
) w9 ~' J3 o8 v6 m& E7 y;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录$ [. |7 _. C8 _: S
) ^2 V- v+ {, {# U' X. i;;[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]]" C! W4 ^3 v h/ t) U
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]
/ Z/ V) _/ n. scredibility-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
# O4 I2 h) ^( T8 j/ h2 R: c$ p8 Fneighbor-total2 [* z$ p$ S: H
;;记录该turtle的邻居节点的数目
+ a* \8 Y4 A! M' W4 p! t0 Qtrade-time
8 d" f- A# t3 h, S& D, Y5 p;;当前发生交易的turtle的交易时间
X+ g3 \' b1 c: D# |appraise-give
4 j6 n4 m( C1 L9 ^) r" \3 v;;当前发生交易时给出的评价( b$ r: k) N* a, A" L( m
appraise-receive
4 ?7 |, i; Y) x;;当前发生交易时收到的评价
& l, C0 B3 z9 |3 \appraise-time: ~5 E @: o8 \' O' v! I+ J/ @( F
;;当前发生交易时的评价时间$ R4 b$ f7 v! e {( j4 w
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
% R1 R" Y5 D" k( I& i* itrade-times-total3 s3 Y! o& p" f: k+ F( h6 F
;;与当前turtle的交易总次数% X( B' I7 z+ K! s G( t
trade-money-total
' \& |- U5 u5 } A7 G;;与当前turtle的交易总金额
6 x6 E8 s% ?7 U4 `1 jlocal-reputation. h5 ^ I# u$ @, Y
global-reputation' p8 C; ~% f2 ^0 k) S9 n3 c1 Y
credibility# S Y' h! n& t5 C( d' ^
;;评价可信度,每次交易后都需要更新" B; b* X: X( {' Y9 ?
credibility-all
- t1 q f" b) r' q: V/ l1 r;;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' \+ g5 B! S: r( K# @6 K4 u
( c" x# l. h k$ R, r, R;;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. W' G1 q t9 M' f
credibility-one6 F8 s$ e0 y) v5 r9 A) ^
;;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
6 }+ i) o# c6 T# xglobal-proportion
2 s/ S' {" \# ]- x' p% `6 X) Acustomer
# Y9 w( P+ I7 Ucustomer-no
4 c. X# @0 Z' T' btrust-ok( o; A( n2 H9 S6 q# } R
trade-record-one-len;;trade-record-one的长度; l7 O) N, B) i+ A6 e8 Q4 P6 D
]
0 `- B8 u$ n$ p6 Y1 S- D$ A9 D$ D7 N, A' ~; H
;;setup procedure" m! Q( N' e# d/ y! [0 Z+ p
$ r% m2 r; R& U) ^! Lto setup9 P# q6 Q4 T0 b
" g$ n7 L2 T' q6 B% s# Lca
! d2 A& m% N" @3 C/ y/ b' @. y4 g& y, H9 q3 e v5 n9 m
initialize-settings1 s2 r- c0 t7 X( H
5 ~. g# W# ?" ]2 K: i, t" X/ s+ x
crt people [setup-turtles]; q- W0 I2 s0 n( V. K; |+ K0 {& t
5 n8 Q8 _, V; A/ Q2 _# _! N
reset-timer5 F9 M8 P) B4 C# q9 C
6 f' h( m) L8 c1 D/ }' a& [
poll-class
1 p4 T$ _' e9 \3 }. e" j6 E W, M2 x! |, B& x9 W2 [, [
setup-plots2 U; d6 y; V% ?
; e; y. [& B t) k0 y- n/ S& qdo-plots
- b7 `: u' G% q5 j/ eend
& p- {) ~$ j" B
$ T8 H/ W t$ l: u/ G: F _4 Sto initialize-settings: d3 [4 u+ @+ P
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set global-reputation-list []8 a# Q' G" `. W% H' P* p
) ?, n, Y# e: {7 tset credibility-list n-values people [0.5]
- [0 E' }3 p* q3 ~# ]
$ ?# K$ i0 v+ `7 q/ @set honest-service 0
+ M& o- f, U# Q, s" c! l& Z0 i/ ?+ t$ R
set unhonest-service 0
6 a+ U3 f0 _7 G" r0 Q2 S5 X5 y: `1 k
0 }8 {0 h% b/ A( L: m4 nset oscillation 0
# N: a5 r, ]& F6 T5 C5 ?
3 [- j% n7 ?4 m0 `set rand-dynamic 04 \' X* L8 Q+ y
end
3 X, D! ~6 k W
* K% o, i, g6 f1 ~2 X: e i/ ato setup-turtles : v5 k0 x% ] g
set shape "person"
6 ~- L. r6 N" l' L7 h" Jsetxy random-xcor random-ycor
) j/ I4 M- V% B5 R- T) y8 gset trade-record-one []
1 I! Z* E. E! w7 y( l+ t' e& _0 e4 e4 J) ^- o9 \* f* z
set trade-record-all n-values people [(list (? + 1) 0 0)] ) ^4 u0 m/ r6 v4 a; ^+ P; |
K$ h3 ^ \+ W: R: x) s$ q
set trade-record-current []
8 J# g- d, E! i3 O4 s/ Z/ Fset credibility-receive []
" |1 p& K5 l5 l, E1 Bset local-reputation 0.5- w" t3 h( I7 I6 o0 N
set neighbor-total 0" G! G0 }3 z8 _7 m1 i' T; R
set trade-times-total 0
$ E9 F5 G. u7 i2 z$ H* z2 yset trade-money-total 0( y2 w; [6 D/ q
set customer nobody
8 ?1 c. q! b* Q) i; J# X+ dset credibility-all n-values people [creat-credibility]
- q1 F6 B$ G/ k" i8 oset credibility n-values people [-1]
9 h( i8 j! z( l" g2 {) lget-color9 G1 N$ M2 R+ ?1 d) p. g3 L
9 v( q+ L9 \+ e- K/ pend6 ^; u1 B3 v3 X
9 _( n7 ~; G/ O
to-report creat-credibility. _: [8 z" O l4 f" K
report n-values people [0.5]
9 U4 F0 t$ b) [/ x4 r6 F& Kend0 ~2 l; q r; d8 _& B0 u
5 {4 f3 H4 A+ vto setup-plots
! ~- D& m5 f2 |4 A$ c0 g3 R1 k, p; B1 x* t8 M- ]% K6 `
set xmax 30
& m+ [5 j2 B) v$ u( R8 s8 m" O2 F B8 Q. ]- t
set ymax 1.0% _2 j/ s2 l" i2 K
; m& ^+ B( B9 b% a" Z0 P
clear-all-plots
I# }, V5 L4 A" ^" u7 W+ \1 A) Z4 E# \! E
setup-plot18 i N& H: ~# R* e" t k) N' n, T
' u% O; L. } V A
setup-plot2
6 N! P. i& l9 K7 B3 m: u1 E! X7 B2 u$ T: u
setup-plot3
( { l9 J& k$ F/ R9 D* z( k) N5 Send
# J8 j: `& q( L. q! M: z+ x
3 ]& ]( V! E# E6 H; J;;run time procedures
/ i5 E4 I9 R7 G
8 j& q$ `) c6 J' m$ J& x2 yto go4 [# m, ?3 e, u
2 i& O" f* G3 g
ask turtles [do-business]
4 c7 y! W5 _/ ~+ cend7 h) V8 a* c! S# [% F
4 i5 H/ m% I$ O
to do-business
7 F7 v1 d/ Z8 G5 i4 q8 Q2 B @2 U0 [/ Q
! e% z# s- p5 M3 Y: mrt random 3604 s$ C0 O/ o' m! U f! `+ Q1 m
: E- W. U. v/ [3 [, t" H
fd 1
' L+ O4 Z" D# R( L) \# j
6 o' \5 V( `0 s& C$ a$ V% Cifelse(other turtles-here != nobody)[2 F4 }4 ~ Y: Q! M
6 K) T2 p' `# D |, H% vset customer one-of other turtles-here+ W: F+ W0 U& j5 y( H
7 u1 C4 o2 x6 N4 m6 A8 }7 V;; set [customer] of customer myself, q$ v* e& M0 f$ L' c3 h
8 l' m" w, G1 j! g; _) a b: \. R
set [trade-record-one] of self item (([who] of customer) - 1)
/ |/ f0 H6 f' ]( J, w+ \[trade-record-all]of self
) m9 \8 u* s$ q( }; H8 O" e;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
, }, J) [, N! e- ^: \) [. U/ x
, f& C) ]- H' }& J2 j) S& Vset [trade-record-one] of customer item (([who] of self) - 1), K) U4 t" a' m' b% [
[trade-record-all]of customer& j9 L, a. |% D' T" U
( }/ w, [; r) I% X, @: T6 `9 v
set [trade-record-one-len] of self length [trade-record-one] of self
6 e+ J( w9 I# A2 W
: Z( n$ q* K' j, p8 U' Gset trade-record-current( list (timer) (random money-upper-limit))7 ]' g( f+ m6 S3 T4 u* v3 V
T5 X. g4 K4 V- k9 ?1 x+ v! Lask self [do-trust]
; ]/ {: t5 J& o9 ]& Q I1 i;;先求i对j的信任度
+ ~0 E& W. u. J7 l+ _( x; Z9 m4 i* O
- k" B+ U+ }* g) c4 m& eif ([trust-ok] of self)
( f; C$ d% o( j4 V3 x;;根据i对j的信任度来决定是否与j进行交易[
. y5 I. Z1 O! J5 K3 B$ n2 Jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself0 G# y4 L9 p$ y( E$ A& W
" ~( ]& t7 k" J2 p% P2 }% g[, ^ a' E8 o$ }' @$ e" n
$ f! ?4 g& u% Cdo-trade
7 _: k/ c6 i, U+ Y& W. \" g
8 U# p3 X/ B) @! X u8 Cupdate-credibility-ijl- p, |% y. N* z1 i! o
" T& C+ n2 z% n
update-credibility-list$ [7 T8 ~4 V( C$ g8 C
9 p1 g6 o; n% U) N4 B
7 F9 w" Y7 C8 Nupdate-global-reputation-list
0 }& l6 m% d7 n: l: n" o. v! Q
n6 ?( Y- @7 c& j# X) ^9 jpoll-class
! A: l* w; \ a4 c2 Q
) k3 N: p, m/ z4 _8 {8 L9 r9 [! D# Rget-color9 C4 C8 F& I6 M- _+ h5 ?
/ S) B' p" k7 c/ E3 O
]]
8 F+ L" Z, x6 a" d8 F0 M! C% [
- t% s, T$ j9 x" F;;如果所得的信任度满足条件,则进行交易
: d1 e j9 e% D4 r+ W2 ?# ]5 F) q. T o9 x! k+ V2 w: o- t6 S" t
[
' R% T: s" y, h' g. F7 L% H: N1 V0 y
/ Y# e9 N2 q+ y8 U! z0 z4 v. hrt random 360
; W' h- E9 Y4 N$ F& W' m- ~
! T9 O3 y- {* D, v: c6 xfd 1, ]& w1 V* V2 Q+ o- ]) j- l
' w6 w& T9 x8 O6 C# ]6 L; }
]/ @) D% h- G7 A9 w u8 ^% h
( O+ F) l+ v4 ]( z
end. Q) `! _: a: K5 s
2 f* ~+ Z' J( x7 Ito do-trust
8 N8 J* i5 A+ Vset trust-ok False! o3 k0 i: S' ?( ?8 X6 Y3 a* V
( U+ O* u* D {5 `3 p* N Z# z* W( |! J, d
let max-trade-times 0
8 C$ E; }# B, d& Z+ m2 Uforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]; b# L3 Y, h5 g8 T- N# U3 N& A
let max-trade-money 0, E% l0 u+ q! M# p7 d4 g
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]! n8 I2 j0 {6 B1 n6 u5 S' W8 ^3 |+ B
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
* f, H& U! e; A7 o! j7 i
$ j& ~6 G$ O0 i2 k) e& Y. M8 x. P. U I, ]0 @3 n7 k" p
get-global-proportion
. t8 U* a5 K; Mlet trust-value4 L2 {' S: t6 X" n
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)
) U" ?& X/ K2 B' ^: C9 X4 O+ @if(trust-value > trade-trust-value)
. S# k# \ _7 V[set trust-ok true]
% R' }+ B2 G7 d) V5 ^! c* {; Wend1 r# I6 R. S; S' q* z ]5 ?8 }3 w$ @
8 \# {3 k5 Q, P# Hto get-global-proportion
0 b* ]; ~+ Y. h4 o aifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
; A9 ], t9 p! I- }; C3 Z' s[set global-proportion 0]
* \2 f1 }/ G( A* y% j6 G- Z. @[let i 0
, h: M! s$ d3 W" z: h" ^' }5 Tlet sum-money 0: `/ f8 Y7 N2 Z$ z/ g9 o$ j' @
while[ i < people]
; Q$ U/ [; L1 g. P. u( B5 m[. p# h% P5 R# |; a
if( length (item i/ d& ]/ ^: f- {& t9 O
[trade-record-all] of customer) > 3 )9 r5 d7 W3 \! N% i" N! T) r
[4 B8 [% ?/ y' @0 p0 t8 S _0 W) e
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 K7 J0 b+ w7 v5 s# g]& Y$ y6 c7 v/ P. j7 f& K
]
4 S: U$ p3 Z2 C3 ~, j/ {let j 0
) @: q' [7 J3 x! b% Y3 {; ^let note 0, h' y$ e( D5 z- c: y
while[ j < people]+ d! d$ ?3 c) }
[
- T$ ~9 I r, _/ a5 vif( length (item i: p. K" y7 M) \: a
[trade-record-all] of customer) > 3 )
" ]8 h! m9 B5 b4 M- u8 L& _9 e f[ H5 U" d5 [' r8 A
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1): s7 _" O3 L7 C6 c: j
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]* a: h8 D i% t- V% Y( [
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
9 f& F% b F, p3 _2 z]: J9 {3 j! Q" [" |$ s
]
1 l& w, V6 Y) ~' j/ Rset global-proportion note2 `4 T$ i/ l( ^1 J
]
0 J% e. B8 S/ r5 b( [( T* r. send
2 Z( _ T) k" L+ E( n4 g' @0 A) t0 U' Z- a5 A% a; |
to do-trade# ?) H2 G5 m( _' N, h4 J
;;这个过程实际上是给双方作出评价的过程
. M1 Q4 d" B0 ?% M! r& \( Dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
: i# F/ ]: \3 wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价3 s1 y+ F E" [3 y1 U3 s1 ^& @
set trade-record-current lput(timer) trade-record-current
( o; a! [+ l$ M;;评价时间& v6 x3 j9 {9 z6 e' [+ o h
ask myself [, W( Y/ F% [3 L6 G& _+ _4 @
update-local-reputation6 |# ^6 z1 S! t: x
set trade-record-current lput([local-reputation] of myself) trade-record-current. c1 R. c4 ~/ K1 }; _0 `9 t( Z
] i/ i# [0 B) }- o
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself( Z P1 [$ p5 @
;;将此次交易的记录加入到trade-record-one中" e6 K4 s& a& F2 Z1 B
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
- T- |4 R/ }6 d Xlet note (item 2 trade-record-current )$ ~. W1 Q) `; j" {- h( l
set trade-record-current
" Y8 m) @7 E! `( j(replace-item 2 trade-record-current (item 3 trade-record-current)). Q1 v2 ?: h: U
set trade-record-current x1 |1 ^- Y0 ~- q7 H+ _# Y" T: K
(replace-item 3 trade-record-current note)8 Q; c3 u9 w' M% b
5 W9 e+ C, ]- P8 T. n$ y! I3 D- c' }3 n
ask customer [
e, X( x3 j" m8 jupdate-local-reputation: Y/ E7 V0 x) e9 S2 f. b( M4 y5 r
set trade-record-current5 j4 M" S# X) `+ R/ O4 T! M: H
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( g% h: c- c5 M
]
& \8 V. b0 g" g
, Z. N4 y0 m5 K" M% ?6 X
: K; s+ j0 A) K; o( qset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 o. W: J2 ^, H
: M7 E( i( ^2 P" ], c# xset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))- e3 ] s5 J& b+ y# L2 {& s. `7 Q
;;将此次交易的记录加入到customer的trade-record-all中
, T- o% r$ i) Q1 G R& kend1 b% }+ Y- `3 s0 K! L$ ^
$ C. ~3 w" @. n
to update-local-reputation3 d: s2 R( _ v
set [trade-record-one-len] of myself length [trade-record-one] of myself0 g# s/ i1 |% U1 H
) a, L0 C8 d) Z, w0 h' Q
* r7 I" m$ @$ h# P
;;if [trade-record-one-len] of myself > 3 ( q0 R) K+ A1 ~1 Z7 l( Z" K
update-neighbor-total
. P* h. Q$ {% y, h5 m;;更新邻居节点的数目,在此进行
2 D; I3 ~9 A Tlet i 34 V- w( N3 l0 Q# r
let sum-time 0
2 @4 i! U; A: r2 qwhile[i < [trade-record-one-len] of myself]
9 V9 O' F) ]% n# O+ R6 D( C% E2 L) b[" ^1 @# }& e; H0 Y: _& d4 i
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )4 ^+ J& D4 K& a5 n) x, j) J8 o
set i
( e- k6 _# p: H6 E. |$ ?! O( i + 1)1 ]4 r s3 I; k2 h
]
- }+ f& s$ N7 L o9 | L* {let j 37 J0 D1 R# K7 f' T" |
let sum-money 0
5 b- m& y3 B0 O2 qwhile[j < [trade-record-one-len] of myself]
9 M9 |! Q$ |8 H. ^ T[- J% s8 O5 z" A) y1 ~
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)5 C8 [; N5 e9 h2 {$ i
set j( g1 X/ q: Q6 }+ U) d6 Z
( j + 1)9 e+ }/ V/ H# o5 t
]1 F8 [5 p0 T# x% R! E3 T
let k 3
6 z3 t& p, ~0 H" g$ |let power 0" a$ Q5 `/ u+ A: A* |
let local 0
9 G( [' D1 z) {while [k <[trade-record-one-len] of myself]. `$ x2 s" T0 `3 H' W8 ]
[
8 X' }. p4 W0 |. c$ t" j$ fset 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) ( I: i4 u" X) b+ R- v% _+ C
set k (k + 1)
: R3 g6 Y; Q3 B. W4 P]8 q3 Z, l S; N V q( L
set [local-reputation] of myself (local)1 @1 X0 y9 I0 a+ r8 @+ Q
end- ]4 R, f+ ?3 e9 r- q3 A* T
$ [: Z' d9 R( R& h" O0 u; ~! wto update-neighbor-total/ a# d/ }( y J( ~
; A1 u! a- S2 P+ Y' [1 Rif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
1 u" {9 ]2 Q U7 [, o, L$ o. I+ D6 X" H3 \
+ C% u3 {9 c0 A" r1 F* Bend; m! {4 ~* W- ^3 J2 Y5 k; \# E
1 x" g( \" ]9 e- B
to update-credibility-ijl # J' y4 N1 T0 S% G: F& C1 i
3 k: K! } \: Y U4 Z( C
;;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。2 \) F9 \2 U! r- y8 a$ u6 l
let l 0! B6 }1 T* d4 K M3 |) Z4 h
while[ l < people ]
+ p* i: T! o. i: O+ { t8 i;;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
- `8 [& i5 \& E- e[
# A$ v5 Y( v8 A) T* o6 \' x3 slet trade-record-one-j-l-len length item l ([trade-record-all] of customer)2 o% s9 D. D/ N
if (trade-record-one-j-l-len > 3)
& J9 y2 m% t& G[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-one0 R) n9 j6 ?2 X- z8 n+ c
let i 36 Z( x, E+ F- q! O
let sum-time 0
# W% v& O7 j6 rwhile[i < trade-record-one-len]3 s- r9 ]: Q: ]" R% c* ?9 G+ P! d
[+ K& ^2 H! j6 |5 X1 K" W9 N
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ N7 o) S2 k' k9 q1 M$ h5 B9 x5 ?set i
5 C3 d( d7 W0 E( i + 1)
5 W, ?. x0 a- n2 {6 \]0 k7 @; w% Y, P- t# K; C, z
let credibility-i-j-l 0
+ d/ l+ g5 V2 d3 q;;i评价(j对jl的评价)
8 W U& t# U" f4 r! J; U( Klet j 3
. E+ h& D+ ^7 J: {3 wlet k 4
; G- J% _" l) X, p! y# ~/ `2 b9 P& r- @while[j < trade-record-one-len]
: [7 Z+ }! x7 P- Q$ f2 L0 i[
! Q/ O2 ~; d* I' C1 mwhile [((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 `2 \8 f" |- k# 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)9 O! E7 Q# |0 Y, X! s$ Y" k/ f
set j, r3 l2 w- p" r h2 ^" |1 w0 c3 Q
( j + 1)7 |. t9 o' ?1 ~
]% t1 r/ C7 F) D0 N5 T
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 ))
$ E. [ M+ R$ L& h X
h8 e, J8 g# z8 j/ X, U: I$ {2 [+ { j
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
/ T1 z( [" N. |" N3 q* `;;及时更新i对l的评价质量的评价
, n# E$ E( S- {+ Z+ n5 p3 Iset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]/ t3 Q. j5 a/ `$ p& X9 ]# [
set l (l + 1)/ w# q0 b" j: i1 r" E! d
]) }% V2 ^2 ?" s2 }
end
8 r( ]& h0 Y- L/ q7 }% G
" y2 x3 a1 ?) N/ Y1 a2 Kto update-credibility-list* L& k7 L1 j# n6 U1 |* p, j
let i 0* a) E$ n7 r8 O9 w9 [
while[i < people]. B e6 ~6 k9 ^$ e* H0 \- q
[, o4 M5 H) @/ Q) J8 s: m
let j 0; n7 m" B1 @ v/ d/ W/ B$ W
let note 0 F- c+ e* F B0 Y; Z3 I6 R
let k 0
; w! J. D( w5 b7 R;;计作出过评价的邻居节点的数目
5 @; N% S/ Y% Q, I; u* K- z) C4 Lwhile[j < people]
3 t& O& D# z0 L x! Q8 I( k[* t/ w: _" n0 r4 q! ^! [
if (item j( [credibility] of turtle (i + 1)) != -1)
$ y" ^+ w6 r' `;;判断是否给本turtle的评价质量做出过评价的节点
! ~- B9 C) s2 D7 b" d" \) O* P2 ^[set note (note + item j ([credibility]of turtle (i + 1)))
- A* X ^& j! n; M;;*(exp (-(people - 2)))/(people - 2))]' v- {. R/ Z- v% q+ c$ G
set k (k + 1)
0 N: T% b1 f, C" ]" M4 A]1 ~6 M9 o) u$ b
set j (j + 1)5 T* U$ N' z. q7 C5 e6 r
]
! @8 m+ w J, j0 eset note (note *(exp (- (1 / k)))/ k)% B5 y2 o; k$ C
set credibility-list (replace-item i credibility-list note)
) e+ Y2 t4 z& c% y3 n: bset i (i + 1)
, [- ?# z0 }" f8 w]
7 @& w- e7 h$ z( C; Mend# w' d; l& n- I8 q7 X H
4 R2 {& A! y( e( L
to update-global-reputation-list) c/ o6 I$ k3 [! m) z
let j 0
6 E( e$ C# W' Z6 v) c& Awhile[j < people]
! G Z& ?& d( x! k2 \0 A( a2 F[) C% W/ M$ Y6 N) y7 d$ n6 |
let new 0
0 }3 {$ K1 O% L; N;;暂存新的一个全局声誉* q; [) h& k1 q
let i 0
- ~8 O4 d" G$ h i; r7 q1 Q; S' O) klet sum-money 0
$ ?/ T( c4 R3 {& l L* Z% j6 V' ?let credibility-money 0) _( Z1 P Q S% a; \, ~
while [i < people]
1 @- f/ Q( G- l1 w( |[
: @+ o4 W* H. M% Y. Sset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
- v+ T- U5 a3 G. C3 l# Z+ xset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
- \, J, M# s+ V6 ~( ~/ Zset i (i + 1)
, L9 }7 k, l( ], v5 r. m]% ^- {, \/ s- G/ u: T i
let k 01 c3 N6 ]0 t( Y3 D
let new1 0' S( N$ i. i( ` \/ s
while [k < people]
7 a& \, S+ t6 J# P[0 R* o R0 W ~' a0 k( n; i7 v7 Y( v
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)
- {7 L% l U% {; j& @set k (k + 1)7 t5 M1 N3 ?) l& q; {+ F
]
( M$ h4 {7 y m" I7 S1 Bset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) " G) {$ h6 E3 R4 K9 \
set global-reputation-list (replace-item j global-reputation-list new)
- N8 G1 ]- p }1 f5 cset j (j + 1)& j, H" |# M4 B: A {
]
& P3 M3 ~4 |% ?1 f, p1 Zend
* |9 v; H, {! A% w* B f9 Y- ?, j8 s. ?, u& Z: y
2 h8 T) c2 T/ ?% a
$ @, H5 p: r# O" r& k @to get-color
* f6 [- L/ M& g0 A d# j- i
& w! L( r( S( x( ?' Bset color blue0 q* N1 ?& ?% {3 K" V+ N$ Z
end$ o' E9 E H- j2 W/ o2 o
1 z5 M, b" V5 p+ Q& e0 Dto poll-class
: [5 P& w; V1 u+ E t. cend
( r6 K/ |7 k' r. q
# ?/ t5 x0 c! z s( \* b6 A e& @to setup-plot1
- k, m" C$ f$ C) k' p
5 B. g- E# Q S6 h; G Zset-current-plot "Trends-of-Local-reputation", a6 {6 c% D# q3 i6 o2 Y s
. P' V* W$ c9 M/ }. X& j+ Gset-plot-x-range 0 xmax3 X# p) J+ T9 l: {( `
; I, U; o; f$ b! [2 _: _0 C
set-plot-y-range 0.0 ymax6 | I; r* L% l
end
0 i+ l8 S9 Y4 J8 S9 h
! T' k% V4 `! L4 C" A2 ]to setup-plot2
" z" M7 p* C: W; k; |( x, ^2 a. K6 o0 h( B9 Z" ?/ L
set-current-plot "Trends-of-global-reputation". ^/ p' O" t; m+ `
1 P4 C. ]2 o2 V$ f. z" k3 Hset-plot-x-range 0 xmax
- h3 X- ~' j9 A& ]8 H& I: V# {, _) \) E2 y! U# M, `2 c5 |& c
set-plot-y-range 0.0 ymax) [' m) d ?9 E6 J9 _: R3 M. P
end- Q/ ]5 B9 t0 P0 L! F5 q
, B9 |9 v% E, D: Eto setup-plot39 Z( X9 ~0 q/ r8 r- C% a) {$ M
3 z6 c2 [$ a. F2 a
set-current-plot "Trends-of-credibility"7 r. ^/ c8 y5 N+ `
( y+ D1 r) f4 [2 @, Q$ H
set-plot-x-range 0 xmax( w6 j6 [7 L! o3 ~$ q7 }
6 x5 y4 Y1 T* v! p
set-plot-y-range 0.0 ymax
8 R) C) f2 {4 x! }end+ s7 o& z2 ]5 a& }6 o# Z
6 b0 T/ B9 {$ l* ^: ^8 o0 y
to do-plots; }( N' j* s8 z3 A. L
set-current-plot "Trends-of-Local-reputation"
* S( K5 D( B7 n" U Cset-current-plot-pen "Honest service"+ a9 H! ` i1 S4 Q! [( |" P) M3 A
end
+ L# e' e) L: F( x3 f
3 i. _* |$ o8 }3 y[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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