|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
$ ^( p1 |& A4 ~) Aglobals[4 W, Q* W! j: [
xmax
/ v1 O: R- o& q0 ?3 h- o. dymax) n3 r! [# u/ e1 H3 P) \' S8 @
global-reputation-list
, |; X0 C( p) P# n W+ H7 c: Y( x4 z# N5 @
;;每一个turtle的全局声誉都存在此LIST中; `1 u% Y6 L& p8 @* L7 V
credibility-list
8 M0 O& ~: \: N;;每一个turtle的评价可信度+ X7 _' \) v# F9 w( H
honest-service. s; R, x& X* Q* p* g+ E/ l4 M+ a
unhonest-service; w, M1 ^9 W9 A6 L2 f4 h4 z( y
oscillation2 K2 ^& Z5 S# G4 Q! [
rand-dynamic
& s" L5 u8 c; f3 x+ L0 N] ~2 E* w1 @" |6 f. {; c) e3 L) g
1 u8 f, T4 t. j# ?7 O1 E4 ?$ eturtles-own[" O. u; Q( f5 F. s$ [$ N+ {
trade-record-all
3 N5 B6 |( |8 [& ]4 t" m;;a list of lists,由trade-record-one组成
$ N5 ~) p. u/ ^trade-record-one6 [6 j: X5 f7 c; U9 Y& m5 h' |
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录/ q5 m. [5 \5 N! v2 K8 Y: t& q
& F) U* U& Q' @# Y$ c
;;[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]]
7 u. b( l: R; H% `7 J: E6 ctrade-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]" ]! D" O3 Z# s1 r4 d m0 ]$ ^
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" v/ D; Q& K. f. A6 L) X& }
neighbor-total
5 q+ ]; I/ s# z& I9 \;;记录该turtle的邻居节点的数目
8 h' g2 J3 X% m3 m! l2 Atrade-time
. V6 E$ H1 C) [;;当前发生交易的turtle的交易时间
6 l% W5 w% U* d% ^appraise-give+ J0 J9 x& v7 ~7 ]
;;当前发生交易时给出的评价7 e d* i9 X l4 B @5 h
appraise-receive
0 J# z& J) r* N1 `$ I Y;;当前发生交易时收到的评价( b Y3 m6 ?1 H( a* y
appraise-time
0 A4 S# V2 l- M; D( l; [3 m6 T;;当前发生交易时的评价时间
! p" n2 [# T+ Z! w' Qlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
2 G7 a' {! q* e7 a1 B$ dtrade-times-total
4 t+ f6 @) i+ L) B) ~9 z;;与当前turtle的交易总次数 S3 D0 L* W& @
trade-money-total9 L5 H( Y% {4 r; A2 ~ O
;;与当前turtle的交易总金额
( P4 o0 {+ B/ m3 {0 Y. `3 blocal-reputation
8 h; O' g* z7 L$ K9 U+ Iglobal-reputation" N! z" ]0 m3 g: u
credibility E7 Y) b; R* |
;;评价可信度,每次交易后都需要更新/ d- m& Q/ I2 T a
credibility-all
- ^0 ~% Z" R; R) X1 L3 f- 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
% H* \0 L0 n" D! G { x/ ^! b* V9 t' [5 s' Y2 [
;;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
8 K+ n' G" S! X% H- Gcredibility-one% i5 y0 ?2 [5 U0 m. ~: c
;;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
0 c6 }" B# `: M& X2 E" o4 b1 Eglobal-proportion2 m* E4 A% @6 j! {
customer
, p: i* U4 L. A [% l) _customer-no
J: d, H8 E5 {9 jtrust-ok3 W9 M3 P/ t+ `' t
trade-record-one-len;;trade-record-one的长度# {5 H! j# Y. {: A$ o6 M
]: C$ ]1 Q5 S0 A# h" V, l& r) ~
- K, K+ v4 n. Q+ T;;setup procedure0 v. e4 L& g7 {0 e
6 S2 I( W) j, G# ito setup
. k. @* ]9 H2 T8 R0 k$ D+ G- b
2 l7 n/ V1 V' ]4 l" l5 W. yca2 n: s1 B6 V1 {' W8 w2 i
0 p- l8 w; e1 d9 dinitialize-settings
8 X- {0 \* v# |. M: H: y
! `7 v6 l4 n0 f1 ?. i! Ncrt people [setup-turtles]
* D( O+ {8 ?& G+ j' Y- F( \* f% b f! J* K" @1 \" x
reset-timer: y0 m/ _4 g. U! I3 m. O- f
/ ` w5 o0 f+ [: Y% ]poll-class+ Y% E$ N' p6 {) b* C
& [* ]/ F$ b" {9 W. m, J: m2 X
setup-plots
! M& D2 A3 {9 |3 _/ h1 ~- w: }4 K6 l- S1 o4 u0 v
do-plots
: h5 G8 D" W, T5 F1 X" g8 ~8 Send% T* ]/ N0 l! S7 h7 y; I! A" j
$ F6 ]' G" {: tto initialize-settings$ \7 x' h% c6 ?+ Y9 _
4 Z5 K7 T$ \( s6 Eset global-reputation-list []
+ S3 e$ x4 ?5 ~7 M1 z5 h. A6 @! {3 R
set credibility-list n-values people [0.5]
' N& w ?0 V- n8 O }, ^+ f" X& r6 ] E$ i0 x, t! }
set honest-service 0& l9 d, }7 n! i( F. A
" E$ }6 P) \) Y" Mset unhonest-service 0) g+ m; K2 u3 _7 L/ j9 Z5 t
2 {! Y r f- A( n# G# lset oscillation 0* d& f( e& _ W2 Q2 ~
" y5 } F9 _+ P7 ^' a+ X% d' Eset rand-dynamic 0
m. P4 X+ | Y; x- fend
8 N0 P7 ]: {. Z5 P' Q- @: Y, }" L. q" ]& l
to setup-turtles
& L+ ]" R: C" N7 k5 j5 Q) h9 f; dset shape "person"
* O, D/ E: r$ M/ K- zsetxy random-xcor random-ycor3 u( |$ x& |- L4 |! o/ D$ C
set trade-record-one []
! K9 Q" Z t9 f8 X- c5 R" G# f, |, {/ K, @
set trade-record-all n-values people [(list (? + 1) 0 0)]
/ C$ ]9 N J0 b4 Q% V( w/ P
5 k( G6 ]- w% L. _/ \0 l. Zset trade-record-current []6 Z: ~! n9 r5 R, P. N
set credibility-receive []3 r" ?% K3 z. m( N g
set local-reputation 0.5* f3 u' v+ |: }) k0 ] d+ J n
set neighbor-total 0, W1 E0 R: \ X
set trade-times-total 0
; A4 i3 ^% {: ^1 pset trade-money-total 02 d8 o4 J' Y" [( o' h0 {
set customer nobody
8 Y4 V" c) O/ g0 d& _set credibility-all n-values people [creat-credibility]
$ ^- K: H& h1 ^6 ?set credibility n-values people [-1]
- F* C7 v* E, Bget-color
) A; A7 b' X# @! [ N2 F5 S* J+ L6 E( t$ n
end0 h# J2 V4 \4 {4 I4 p9 a5 I
& K4 O3 Q( U0 F' Z) W* D! Q: K% hto-report creat-credibility
. e1 S% f+ z4 z+ V+ o2 Treport n-values people [0.5]
0 e6 F! e: Q( w0 B# zend
5 \5 E% p* M; y* G% z) x: C( _1 }. y, T
to setup-plots
" l0 ]3 S4 T( }5 y+ B
( R, N, {4 z, Zset xmax 30* C0 P7 E R( e; y
# T! h% A/ T1 s, \. F+ r8 d( E
set ymax 1.0) l+ ^4 e0 X6 F9 v: }! |. m$ r B
- b8 Z. _' ~$ c9 N: j
clear-all-plots7 [* B$ w: x+ {6 Z8 x" _0 L
% c3 d2 k7 r9 w+ J
setup-plot11 Z5 g3 E) t- A* a0 Z/ H
( Q" j( ]7 H3 m# o/ Csetup-plot24 ~" y/ d2 m! X
# G G* |, w4 p8 p+ {5 _& Q. Tsetup-plot3
; W2 \' u; s9 lend! A; H0 Y0 c$ r6 l) f: q- f4 G! g
* X, L7 J( ?9 H- A- X: I$ f;;run time procedures1 |. W, h- k; E1 v' @" u4 A
& N2 g$ X; w) a2 G8 o' zto go
0 c+ t; }* `4 t/ {+ s4 _8 p
! ?) ^0 V9 N3 {3 _7 v1 c) ]ask turtles [do-business]! b i" S9 A$ f( `% @1 C: u9 L
end( D* D* J! q: g* M/ V0 _1 y6 T
" z: t9 A/ m, h& l- o- {
to do-business
: R3 w; \7 t2 g- L+ [2 n# }1 _' H, h7 z8 s9 l* m. g# {% T2 I/ e
* F0 o* ` A) ~! u! i4 ^rt random 360
/ e1 R/ v" D2 _9 y' s3 ?. A& ?- L; C* X
fd 1
5 I0 t/ L) E5 I0 z5 g$ x
' S$ U! ~% ]1 L6 qifelse(other turtles-here != nobody)[
) N9 p7 }1 o8 z6 \# f# D% n2 h8 ~ K- ~' k: T; t3 O5 A
set customer one-of other turtles-here0 h* _- Y' A: O! o, O
" _+ S' g0 R% W' C
;; set [customer] of customer myself/ I* h. |9 {- c- y3 S( y1 N
, t6 i8 s/ q9 u$ B oset [trade-record-one] of self item (([who] of customer) - 1)5 f6 b- l0 d m1 b' b4 \
[trade-record-all]of self
: A# Q& w( t' }/ E! i! P2 i5 };;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* K2 p( y* {2 o) g( ~
4 s3 @5 P9 w) }& nset [trade-record-one] of customer item (([who] of self) - 1)
0 j: Y, i5 k+ j4 E: E[trade-record-all]of customer
% c( c" {4 H) F9 A% b) d4 Q- v/ ]" p
set [trade-record-one-len] of self length [trade-record-one] of self0 H4 `: a3 O0 x- h6 z; b0 g
8 B3 ], j" P! L" I2 H h
set trade-record-current( list (timer) (random money-upper-limit))& t7 j- ~" O' x* S5 K/ ~/ p
8 I8 M8 G1 R- _5 l" eask self [do-trust]
- U1 j. j& ^, v; T;;先求i对j的信任度
% b# s- g4 `$ @' U
8 f4 A* [1 E: Nif ([trust-ok] of self)6 m- Y r6 z2 L' H4 N) j
;;根据i对j的信任度来决定是否与j进行交易[* D7 M( i, |! ?2 T T
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" m3 R6 l* u. a
, D6 X/ t8 ?, y9 P! m[8 b7 k# w. l9 ?* U% I1 `, K2 v8 z
4 u& M9 @/ p: Fdo-trade
# R# S- V A9 B0 D/ w% x7 n6 \8 V, E3 j3 Z* `: `6 G1 X
update-credibility-ijl
. J; f0 ?7 }+ c1 L* q8 J7 `9 I! L3 ^- ~; S: z
update-credibility-list
5 i3 _4 K7 v: C6 g0 [/ x2 {
+ Q4 r: Z" m6 i% `( |0 a: f; @' U
, e% R& S- t# Supdate-global-reputation-list
" `3 n" q x9 d1 _
2 G. u, t R1 z o( B/ w2 k' E- Lpoll-class/ [) m; R4 ]. F: `' Y6 Y
6 P2 ~3 ~1 L; L+ M M% @" g
get-color
3 S0 u7 l+ U0 y2 I2 ~" Z6 n d: Z2 b* W [$ f7 h' _
]]+ `- a: l9 a3 y$ ?) B
8 T ^ [9 G0 S$ R U/ C9 z;;如果所得的信任度满足条件,则进行交易& r) k' J) F! h/ O) K
. x' e3 ]0 x& E+ f7 l[
" h/ r; v+ @ o9 I; \& j% S
7 |0 a% I3 |2 t" N1 Prt random 360: i2 R* J1 }: p- w6 Y. V3 W& m8 I
, S: s) {' v. g8 Q7 n; @
fd 1
" K; X# T& @+ N8 i [
& Q8 }- d% @: v8 v( s, j2 x8 x]2 Z, T' N8 K. \2 U9 A
/ i( ~/ F- s( j( H9 D$ O' vend
8 s" `' J3 {! _( p. \' b
! g8 p2 ]' L. J+ Pto do-trust . c4 \* T) z/ r" |
set trust-ok False' h( g; h& K/ n6 D/ l4 l
, n7 ~2 H* ^4 e& K, B
0 P. U& E) b! I t& Glet max-trade-times 04 I& l* ?; |/ j+ z$ n) i: }
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 ~0 E1 `9 ?% Z5 r0 J P1 ?. W/ f
let max-trade-money 0
) k+ q9 h6 `: M' w$ Y: u1 Jforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ C! g" N/ C9 K7 S4 d: Zlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
! o$ |. N* D3 s; |/ B/ v" t2 x6 _) K+ u0 B3 l
% w6 L3 \. Z7 k" F" z' k0 Y
get-global-proportion
9 F5 u: r) r+ Xlet trust-value' r( a( e* [. }* o' x7 K
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) z% y' _. Q8 l& L
if(trust-value > trade-trust-value)2 d9 R' n. ?* n- w$ ?
[set trust-ok true]
) I7 Z; J0 `4 \0 [1 z9 send: F. E8 d: H+ r1 |! t- E5 v( z
+ I6 B$ z* {1 s# ] j! ~0 I, e) [
to get-global-proportion
4 O! p# i k5 s2 gifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# @( a% \' n$ `[set global-proportion 0]. _" u% F7 m% I' }3 K
[let i 0$ j N; O' d( p* h( S( b7 c
let sum-money 0
7 s5 H9 e3 {: c" y& t$ ?7 xwhile[ i < people]
u, n, f* L% j; M. y$ c2 T7 [/ p/ z5 p[& _5 C; [( ~' o! e9 ]( O
if( length (item i; y* {( a3 z/ o$ D
[trade-record-all] of customer) > 3 )& z* ?+ R4 e+ _! f% [
[
! h% M8 O; j/ _7 L- F/ s) a/ uset sum-money (sum-money + item 2(item i [trade-record-all] of myself))* Y( N' G% a- M# T: W
] J1 Q( V# `" o
]' K! k( r+ O$ t1 N+ U% B
let j 01 j% w! r: y9 a0 `( Z
let note 0: N* p. S4 m: t
while[ j < people]
6 K3 ?8 H$ ]# q& Y[- U9 W6 K K2 n0 G( \
if( length (item i
) w3 j% p; A) A5 _& w[trade-record-all] of customer) > 3 )$ V$ f$ J) [; L
[3 W; Q$ R* ~6 P8 `7 ^! L4 O
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
+ A2 L9 s. M. @% U/ a! |, i[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]; l4 v& |2 \4 p- z+ p" u) J. }
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
E; u/ q, ~* L8 b- n( \/ l+ b) I3 X]
7 c3 G0 Q& Y1 T/ I]5 m. P/ m& a0 }( L# b7 j
set global-proportion note
' |% g+ ?* D7 \, k# p2 t; q]
/ Z& r& ?3 O. L3 |3 S( J0 Send
( T1 @. @8 u$ v( q) m/ C: K, r+ O! U7 |5 n
to do-trade
! v; m1 t5 n3 u9 t6 [;;这个过程实际上是给双方作出评价的过程
/ Y0 [" r: G3 h! Y, l* H# Zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价9 |/ H# [( {3 \# C6 i
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
! c* g- e" V5 w" O* V* L; hset trade-record-current lput(timer) trade-record-current
1 q2 D0 S; ^0 J; Y;;评价时间1 Z9 i. F! W; c% X) m
ask myself [4 W7 L: q$ d/ j' b$ Y' A- \3 |1 w
update-local-reputation; o3 J" a" c2 A. G; H
set trade-record-current lput([local-reputation] of myself) trade-record-current
( L+ c0 A; M% S& }( P]
! k1 [. z. R A: Z/ z5 [2 P8 qset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# z/ @; Z* m1 O s* t7 C6 o
;;将此次交易的记录加入到trade-record-one中& y( m" y! |+ T1 p
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 w( B# u j2 k6 Clet note (item 2 trade-record-current ). R& Z& M3 \2 z0 v j6 `
set trade-record-current; O# j% y8 e {7 a# K6 c ^# D( V
(replace-item 2 trade-record-current (item 3 trade-record-current))
& W; M( E6 ]4 M) e" C6 y$ pset trade-record-current
0 {1 M R2 w. Y3 l7 e( T0 H(replace-item 3 trade-record-current note)1 g* G6 |" K$ ?% m* c0 x; J
% V$ I, t* S0 q- @* x( ]
- b; Z4 b9 K' L. U6 a! Fask customer [8 V, n( ?1 M8 b, T
update-local-reputation ?. z9 |; f. W0 w) P% s
set trade-record-current( w, c. V. W5 z& ^3 E+ Z3 a) A
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 X& l9 w! q" O9 p' P1 F
]3 |* y% O* j- `+ H% g( U. g
5 K3 r' c+ D! j" m. |( _0 Y0 g) R
: A# H. y0 s' N! ?: xset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer+ L* ]9 Q9 E' Q- y2 a5 ?
* A2 v- |+ p( k! u9 [/ }set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' @/ k: D: P4 Z' x* h;;将此次交易的记录加入到customer的trade-record-all中, \- r4 j+ M1 v
end
- H" ^, Y6 I/ B0 c
8 ~! u% S2 E4 p% |; t0 {to update-local-reputation3 V( J T1 p. g- o. ^, g
set [trade-record-one-len] of myself length [trade-record-one] of myself8 x. b3 ^7 H- o
0 Z# Z- @# E6 ^; u, e; g
0 c+ Z, T# X3 g' Q' C;;if [trade-record-one-len] of myself > 3 + Z: ^4 A2 c5 H' x. C
update-neighbor-total, U1 f' W1 z/ ?1 ?' q3 [2 l
;;更新邻居节点的数目,在此进行
1 _5 O1 P' y* v% H! f7 a8 dlet i 3
+ e; P6 D3 ~$ D7 ?% ~8 f9 ~, E4 Plet sum-time 0. J4 J8 k. _7 w6 K8 M
while[i < [trade-record-one-len] of myself]8 ]+ u; O% B' K# ]# ~& r
[' u/ {2 Q4 r: J* n3 o' n
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' k6 {/ L, w: T: ^; q
set i. h' x# A9 p. _/ t3 h% A
( i + 1)
3 K H# S* W2 n7 @/ C- U+ q]" K1 Q+ \: y4 y) _
let j 3+ N' m3 H$ u6 w; Q- Z# U
let sum-money 0
9 ^. s P/ f0 I }; k, Q$ H5 ^while[j < [trade-record-one-len] of myself]0 n* p/ {( L7 J2 ~
[
; V+ O; n$ b4 ?/ p% {% zset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
. V" m: @/ x( u: Pset j
9 M0 B7 g: f' E) v M4 S& F( j + 1)/ ] m, b3 e3 E! h+ k" z: |0 s8 S
]0 J- I d( D$ J1 `! C: E7 t
let k 3% V1 ?/ r0 B! _- }3 x$ q0 V! S& y: ?
let power 0
8 L" }; `! G1 s; Q. |! V# llet local 0! j" v( V4 g+ M9 b9 D0 A
while [k <[trade-record-one-len] of myself]
+ _2 s! B9 i# k- W* V6 m: Y[0 b: a: M# D5 h% v# x C& a
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)
( T7 L& {( U8 Qset k (k + 1)* d0 T( @- ~# `- P# h; l
]- y- C1 q0 I, O! S; @
set [local-reputation] of myself (local)
z% f% N# b. `/ E0 U0 Nend' p+ D0 o$ F; v" J
; E3 j5 d8 l8 Q" A0 `% Gto update-neighbor-total2 [0 z" ^5 ]* \4 ?% r/ g8 R; j& f
( B q6 m' Y! i2 X# kif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]3 y; M5 x: Z3 D
- w' Y% z1 V2 D! t
0 B9 g$ j+ n. I/ _* x7 \, H) g; R
end" ~; b* E9 i/ v: F. ~# c$ {) X5 o9 H$ z
7 P4 ~# g6 _" L% j, x% p3 ~6 yto update-credibility-ijl
1 w5 o# ~2 j& `, b" I+ v- w# U/ `, ?* A& a1 g7 ^. \
;;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。+ n& @% y# o$ J& s& C
let l 07 n- `; J5 i0 r! W3 q ~- t! f
while[ l < people ]
$ W! e4 t) I3 D2 n;;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
( @1 P: f$ {1 h% g# t& v[- @+ X9 F4 r" ^: x
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
- D" m2 x3 t! ?3 R* x3 O+ oif (trade-record-one-j-l-len > 3)# @1 E3 J( R$ 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/ _& v0 I0 g6 h Z L, q
let i 3, r4 L4 I& d+ @! N6 g2 T* G5 x
let sum-time 0; q& V+ d+ U o! K( x$ \7 C
while[i < trade-record-one-len]& S: s0 V6 `$ u9 l4 P5 D
[
* C. I1 M- t" E3 yset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. R( S. m6 u2 w7 ?9 gset i8 z: T0 v: _( k5 N' U* i
( i + 1)" u9 w# G4 Z6 o
]) D+ U8 s$ e" z
let credibility-i-j-l 0
& {5 n% b' V- x$ |" B;;i评价(j对jl的评价)6 m0 \) F0 X4 P7 \. Z1 ^& z
let j 3' E+ x1 K# ]5 _- v; C+ v3 @
let k 4) B0 n, a9 d( |: M
while[j < trade-record-one-len]0 B' n9 I, k8 r& d% n. B9 {! R' }) ~
[+ t; A2 I8 a1 h
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 N V- q2 h. s5 t. Q8 c, f6 Q" [+ `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)* H" g# J: Y7 t# d8 a- M
set j
) p; ]; S2 ?. v- W7 M4 p( Z# B6 S) [( j + 1)
8 [6 w, x/ X& V% F& t' d2 a( J]
* R* l+ L7 f3 @8 H& k) v9 w3 Nset [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 ))
4 c$ i/ i: l; z3 N3 J7 L* f$ ^4 s; J5 P5 f3 _: e
, W& I2 y/ x I6 olet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ y8 [3 M! ^3 v6 h5 @! | t;;及时更新i对l的评价质量的评价4 \0 h6 v. M) g
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 g0 n$ g/ c- k! H; }set l (l + 1)
! K* ]5 n2 O% p J7 f]8 i- m% L6 O" e4 g) n
end
$ ~- b+ ] d- ?" i E" z
! n5 U# q' X4 I! W uto update-credibility-list- t4 B& y; g" b2 N: C4 b6 S
let i 04 l9 D0 ]0 r) ~" B! `" L. e
while[i < people]$ B* z, h, u. F
[
) k6 A% \+ q/ V1 _5 h0 Jlet j 0) Z+ p, c! v, [) `' R, F
let note 0
1 ?. n$ H1 x. v/ J. h) Flet k 0
+ J O" j5 r& m4 Q, P6 m1 ~;;计作出过评价的邻居节点的数目% \! `* x- Y. J1 y+ O3 g1 `
while[j < people]$ R4 C7 `2 k& Q' g
[
6 W+ u/ _% t5 x* Q+ t! d: {8 wif (item j( [credibility] of turtle (i + 1)) != -1). b. |4 s# [8 t; a" [0 |# R( } W0 {
;;判断是否给本turtle的评价质量做出过评价的节点
7 B1 }' C1 A, k# b9 B) v[set note (note + item j ([credibility]of turtle (i + 1)))
5 X( a6 [- T' S# Q9 i, j' t;;*(exp (-(people - 2)))/(people - 2))]
9 [, F% n, S# n. Tset k (k + 1)
1 b* y/ Z$ T! \8 U O7 |]
3 I! T b- a+ u% P6 @set j (j + 1)
6 `: r. A9 w6 f% _% [2 ^5 I]: M) |4 h( b) |6 m* ?
set note (note *(exp (- (1 / k)))/ k)% _. e( C( |1 q0 B. J$ G X
set credibility-list (replace-item i credibility-list note)
; b7 c4 k/ z4 {; @" h! ]) fset i (i + 1)
6 P- S6 Y m- [+ M9 D; W]
4 F0 ^4 ~* [) i- Uend
( X* @# t7 v7 d$ ?4 w# U+ o$ [+ p+ K& i6 i2 F& N+ K
to update-global-reputation-list. s5 {# {$ }. p# c% P, n& s' P+ s
let j 03 k- z4 d- \. E+ T2 b N, T# s: i+ A
while[j < people]
" i( d3 j2 g" m% @[% _% ^5 J" l+ X4 j# x6 L
let new 0
# s/ z+ D8 L1 [$ i& H+ r s3 K;;暂存新的一个全局声誉/ _# W5 ?$ K& R1 w i. N
let i 0 a2 ]* u* ], ~1 V- [! a
let sum-money 00 W$ L0 g- ^( P8 G0 i0 G" j+ o+ n0 a
let credibility-money 06 f/ t) ~0 n. _' i1 g, E
while [i < people]
1 }6 k" i) n( j% V8 M J0 r: _( x[
* g$ l/ a: O8 i) H8 Y+ Lset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))/ S& l0 c7 P" F- e. R
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), V6 b V. ^; H, {; U) B4 p
set i (i + 1)
$ n) Z) Y( s9 c- U- |]
" F. Z6 H' F7 i! d% Ylet k 01 `$ L6 j0 _- T! |( Z4 M
let new1 01 Z# i' t9 |/ v0 T) s& g1 |
while [k < people]$ i: e, c, N$ k# G
[
* n6 t6 N/ ^, S3 E! K& rset 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)5 a# i1 e" {; S( k. Y9 i8 f
set k (k + 1)
+ K3 M: Q8 \3 n y: g5 J& d]
a/ ?# {& S5 J) yset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 5 B; S1 @) O4 s% O/ P/ I1 f% z; F
set global-reputation-list (replace-item j global-reputation-list new)
! f$ l5 H: S8 y4 Aset j (j + 1)% V+ N' }! }* Z( c. Z2 }
]
& _2 W V0 ]5 A7 h% t, fend8 M5 p- _: k2 d ?: J. q
$ m4 F5 P1 H) w+ [/ G, V
0 Z& @& t- N1 H+ e5 A+ k7 z
% @! m5 Q' N5 C) j* Lto get-color
8 l7 u( i! ]# f' j9 O
3 {8 J0 B# U8 y$ @: H5 kset color blue& G4 L) @# r$ d1 p1 p+ s) c i
end# H2 a6 \; T" Z' @# @
# C- ?% l. B4 H bto poll-class
. ]2 D" P6 y- _) Z& F' mend; x+ a/ W3 N+ x3 s. t1 e
+ I, b6 N# |" X# u& Mto setup-plot1, y# `: t; ~0 @9 R+ J
6 Q2 s1 y0 n6 `( l! f+ Q- o% ^! g( C
set-current-plot "Trends-of-Local-reputation"
) _; Z: X( j& }0 O# g N: @: @. l6 W4 _" J, N9 P; O1 U
set-plot-x-range 0 xmax
z$ V- H( D2 P+ F5 w5 }7 s! D2 i/ m! i) H! g
set-plot-y-range 0.0 ymax! _) _- w3 a. h9 I3 B' q5 [ a4 U8 }
end
9 @: m( F2 b$ A% G5 i! e& ~: s# V. E2 d
to setup-plot2
% R. U0 N) |. a# D
; a$ {' ^0 p2 }# D; ?# Y9 Rset-current-plot "Trends-of-global-reputation"
; i5 F! I/ s7 S( G" }( H$ v7 o% U' G+ V5 E" l ~
set-plot-x-range 0 xmax6 U$ F8 f6 \/ G+ ~
3 c; l, T* V; W& l* f" D
set-plot-y-range 0.0 ymax5 e. X* A8 ^3 a
end
8 l9 n9 R1 C! Y O0 U) d. {# j* [2 e
to setup-plot3' ^" d t7 z9 L( m) m
) g4 f! ~8 q( q7 q
set-current-plot "Trends-of-credibility"( Y7 [! N9 y- F: y) q$ t+ R- M; q
I3 B, P L, f, ]% U/ Q. oset-plot-x-range 0 xmax
+ i- q$ ^, M/ w x/ J |) X/ ?# Z& X- ?+ l- q0 ]0 b8 N$ U( w6 i
set-plot-y-range 0.0 ymax
$ W0 W. s6 U% u& k6 rend# u1 X7 w; Z. Y1 s$ D, P
& f$ m6 M4 \4 u" |5 c5 S8 R
to do-plots S* B* O `7 ~3 } m
set-current-plot "Trends-of-Local-reputation"$ T) Z2 w. T- J; L( g% D
set-current-plot-pen "Honest service"* \. L/ T2 D4 G' u2 y |( a
end$ u6 ?: r2 ?3 u- i" ` V
& o: d8 I6 y& @0 _5 p% X
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|