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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9 G$ z6 |- o( V' F# S
globals[
* c6 ]( u4 i+ R0 c K1 C+ Nxmax0 ~. \! t' v' _/ _
ymax. g0 [, T# G, C; Z- ?
global-reputation-list
* H+ r6 V) R7 ?$ z/ l5 u
' [/ S i4 m( }; N;;每一个turtle的全局声誉都存在此LIST中. R1 M z. o6 F0 ]3 Y6 d
credibility-list
2 C H9 M; U( C8 {0 @! ~;;每一个turtle的评价可信度2 T5 |& [/ a0 y7 q8 c6 w
honest-service
0 B. Z! z. |; B$ j7 O, ^unhonest-service
' s( _; ^% d" b& ioscillation( q( Q; u, G, L7 S) C! k
rand-dynamic
9 V7 y& V- [5 e7 j]
5 r; H6 |) |* n" W) |- k* T* C: B( y B% b1 k, m6 k+ a( e2 i# K) x/ Z
turtles-own[
( r3 a, ?+ r) D, W. a& vtrade-record-all
* D* h: k: n/ n2 w; O4 ^;;a list of lists,由trade-record-one组成
8 t- o6 V. z+ O A# btrade-record-one& f P, r: a5 f
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录2 W* ^& E" X+ w0 C7 s
/ m3 b; V1 W' Q+ g& U& h;;[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]]9 j% ~$ V( \. F/ l
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]# t: h' B$ d5 n9 x W0 y
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
) \5 u$ i6 Z$ \( ineighbor-total: ^5 ? A& G, f$ @+ _, k: P
;;记录该turtle的邻居节点的数目+ }; D( d; _8 K9 G' U
trade-time3 |8 W T0 P9 A0 T7 o* K* l
;;当前发生交易的turtle的交易时间1 g" X, b9 g3 v' K
appraise-give. Q/ j/ L7 z8 c% X1 m. A1 |
;;当前发生交易时给出的评价) L: _, d* q$ R( r
appraise-receive
+ T7 d C0 i7 h% ^% \' Q& v;;当前发生交易时收到的评价- J, M: e- Q; ^* R, N
appraise-time/ ]! m( m9 X+ ?7 z- n
;;当前发生交易时的评价时间
* e* I2 f. Q7 a# k* A0 i+ G* ?local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ C6 j& g X3 [trade-times-total
# \' t' H3 T/ B. ~& p7 ?/ E1 x;;与当前turtle的交易总次数+ p6 u- _& u+ e' _$ W, a1 l
trade-money-total
; T* n, a9 H% V8 R7 q;;与当前turtle的交易总金额. ^+ z3 O. w: c c+ i5 D+ u: L
local-reputation
, n# Z2 K" R# v$ x) C) oglobal-reputation
4 x6 g# o$ k5 r$ ]8 H9 h0 }credibility! k+ k0 h$ |: J5 P( d' Q. q% u3 w
;;评价可信度,每次交易后都需要更新7 f- Z+ Y# _/ ]- j9 }. r. ~
credibility-all
! W% O% R" I" }, _5 o' v;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据* g2 n6 p9 i! x) r
6 c& o) |+ Z+ J# O& _/ H;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5
7 F3 ~9 }2 _) ]. n- icredibility-one
9 \$ V6 {. b. R r! g& w! D, k5 W;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
4 h i$ n# O# @0 Z- \global-proportion' [+ ^+ V1 h9 f4 z4 j, L# A" s0 @
customer
4 `7 }- l5 t. y( U! L5 vcustomer-no
8 g7 \+ ]( |5 I+ E4 |4 L1 p6 r) J! btrust-ok ?* h4 S4 l V
trade-record-one-len;;trade-record-one的长度
]3 J' y8 \) p2 X. Q+ k]
: }" G) ?: k: s: u/ U- f7 J& g& H! N9 ~3 `8 ]% x
;;setup procedure
; j0 z/ a. v' s$ l8 I) }! g* k+ R* N$ t" T' y! b" d) r) y
to setup$ @* V+ L% S% c2 e/ ]! y5 ~$ Z7 ?
& Y1 T+ S. C1 ^ca
+ v" }5 \3 H% p! l
, f* J1 J S5 P- L( Ginitialize-settings7 H P2 |' q( V# @8 ^
, y# m" V. n' ^5 ? B: s. Lcrt people [setup-turtles]& S1 s6 A$ m. V% J7 `0 \
7 N& ~3 l- S) M1 K0 l6 S9 @' N5 p% c% ureset-timer
4 v& ?$ Y, T, D) f
0 A/ \3 s* t- l" `" ^; r* G. Ipoll-class' O% W, F1 o+ ^
, H8 ^* p5 t) B. X ~3 @$ u% k4 b8 m
setup-plots
* ?( o! B4 G: e b2 T1 j4 r! X, U4 c- A9 d* S
do-plots
3 l1 f. ^. Y- H+ Hend
1 u' S( i' H: v$ N! }) v# a) g. m+ S. j! J
to initialize-settings
% X5 [3 d. Y, @; @
/ i! S0 s; W2 a1 mset global-reputation-list []" w- \+ _0 a6 @5 y
' x- z, v# L _& \set credibility-list n-values people [0.5]
5 o$ v" p2 ]7 U8 _' C
& ^3 e+ t. [1 D |' f$ mset honest-service 0
R/ a6 D3 U$ c% s, E
" {4 h/ F5 V3 C3 g$ n5 \& f1 q; h/ {set unhonest-service 0, N% O/ l9 N, R$ s& F/ s# O: v* L
" S) @- S6 G$ c+ ~set oscillation 0
- r6 O0 p' R8 F2 |: F& r z. r4 y; i1 F# o, F, i
set rand-dynamic 0
1 P5 V2 Y+ R" t5 N8 cend$ `9 W9 i0 }% D3 S$ \! m# X& y
/ w( L* ?6 e* M( n; J0 qto setup-turtles
6 ?& h* ^; D! T& r. gset shape "person", _3 H, V7 D0 U5 P; V
setxy random-xcor random-ycor; z4 s3 p: S3 ~% m7 ]; b, V
set trade-record-one []9 {& z) B% }5 A+ z/ u z; s
5 h6 @) @: z$ l5 P3 f' Pset trade-record-all n-values people [(list (? + 1) 0 0)] " k6 ]7 `" B9 {$ g
* E* o% p2 a! J- o5 C. @: ^% w7 r. d
set trade-record-current []0 K ~6 s# q; ^; ]. j% @; {0 V$ J
set credibility-receive []. _& C f3 t/ Q; q
set local-reputation 0.5
% T# U' [6 w, O" Xset neighbor-total 0
( @6 E& h* ^, F' k9 \ Aset trade-times-total 0* t8 `1 @- a Z/ \
set trade-money-total 0
5 B! E; M0 c# n- p* t* `0 |set customer nobody
) Y& `, S4 P5 U! M% k5 oset credibility-all n-values people [creat-credibility]
% [& z3 L- J3 |- J3 p/ [set credibility n-values people [-1] _; [2 ?7 x) ~' c* u3 s* S, m
get-color
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% A! I$ p* j' b5 p* _end
0 N9 T( M$ G/ t* I$ D$ C$ l4 ?; B* Z* f3 _
to-report creat-credibility
2 t; P1 n" y' X" s: x" {" `1 rreport n-values people [0.5]
2 [+ g9 o* J/ bend2 m1 S' `2 r) Z u' M
; @" f" z$ f' g8 J
to setup-plots1 {/ \( y3 k2 s, H, w9 ^
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set xmax 30$ Q9 R/ {: t7 ]
) J7 ^* ^3 R" k) ~$ z0 o" u5 p( Sset ymax 1.0& ~5 a' z+ h$ U3 b
8 N4 x* S( I4 s% G% T8 P
clear-all-plots
4 U2 |+ e3 f1 K) ~4 O
) q9 F c8 A# ~% w9 j) W2 Z) Osetup-plot1
8 _' R4 {0 e, u y" T
1 [. b2 G7 b* m& k3 F' wsetup-plot2
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setup-plot3. [; n: ^7 |4 d$ G, u- ~1 J
end) x$ |3 o I2 {, q$ V# W' ~
$ m6 H- J; P z* q8 y5 c;;run time procedures( }* ]1 v U$ F! s4 x7 U: l
& N( z% U |1 J* v) tto go) S5 [! a/ \* ?
7 i5 g% p0 A% N1 G9 Kask turtles [do-business]
( ^! p+ g6 ~# V) c4 M2 A1 ]8 Z* Rend: M, V J- i1 m$ J/ v# s- g: y
& ` n" v6 g( C' k9 _to do-business 4 d! R4 A2 _: P" s$ z
( K/ y! B% t" m5 r
# q9 O+ U0 z1 Z9 @3 C) Ert random 360! W3 I4 l8 [7 a3 }. a8 C; g+ r
# y) I5 A. T% v/ pfd 1
9 U, F- ?$ f3 v/ s: C4 [) o' H7 N; l" @) n& R5 d0 p
ifelse(other turtles-here != nobody)[7 I; B8 K0 J; u; m+ f+ a
+ q, C* Z+ q# `! G% A# e
set customer one-of other turtles-here! I0 A/ k$ K3 ~- c
+ m+ d. v* c, p8 H;; set [customer] of customer myself
2 X: e6 _, x0 ^) j
" L( k5 g6 j% _+ c+ t; E5 M( r9 Dset [trade-record-one] of self item (([who] of customer) - 1)* m3 @6 R3 P7 u% k0 u
[trade-record-all]of self
2 R6 N$ m1 _4 s5 F T5 c( g7 f;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
/ M, l! t% ~& w& Q# C0 G4 {- M% j% i( P* t7 [3 T
set [trade-record-one] of customer item (([who] of self) - 1)' Y+ j) A. B* d8 A5 [$ ~
[trade-record-all]of customer! \) v( g. H) {, y: S# J" R/ E
# L$ E6 b, p: F D0 V6 Vset [trade-record-one-len] of self length [trade-record-one] of self- z% N( r3 }$ m% Q; c5 h6 X
& F$ Q' N2 V' A2 Jset trade-record-current( list (timer) (random money-upper-limit))
3 M) }( l1 H l) I {& q3 H
/ v# r) Q1 c. X3 X8 e' {ask self [do-trust]
5 O- l7 I' Y+ g4 n/ e! ~;;先求i对j的信任度! a, S) \* H% ^( ^+ t4 T
) I* Z. @( a) f! t5 u; t4 H
if ([trust-ok] of self)4 Q! L7 i! V [" u
;;根据i对j的信任度来决定是否与j进行交易[: V( @; h7 [6 A' s! Q+ U' {
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself7 ~+ t/ B! M" Q2 Q, V
( i+ A0 G) b4 h[
" `5 i1 w4 O! u( @( Y4 |0 L) ]8 k2 J: B
do-trade
G Z/ {% l3 f e, p% O F5 r& ?" ?' K; D' s
update-credibility-ijl
9 `) D" f3 J. V8 ^ p% v+ M7 [
0 W) j, G+ x% T0 G# l+ V' c% V" \. Zupdate-credibility-list
' x7 v$ {. t( l1 {' ]
( O% I/ V" S' H( q% q! b9 t0 n' \& P& D0 y4 F- q0 r: D
update-global-reputation-list( j$ v2 ` l- _, Z
' G+ r/ @ ]5 h( kpoll-class
4 a4 @- u% ]) m2 A" ~* N1 o/ t! [0 v7 V% U+ d' s3 u
get-color4 R" V2 o; o& z A" Y
5 q; p" O: Q% L5 b. ~0 v
]]
/ W- h" I' Q" W' Z7 e r! P0 z( z3 J2 m+ v& c
;;如果所得的信任度满足条件,则进行交易7 {& r! L: A" n; E
0 p4 T! s; i/ N$ w3 q; W
[
; s; P6 Q% U/ Z' D1 P0 b7 l! E# z( C% E
rt random 360
* r& [- Y, n1 ~) r6 E
$ j- Z$ I. F1 C. b" |fd 1
2 ^: ~4 ]! a1 b. O( {
; R: O2 \* J3 x) r7 b]
- Z6 u% \! o- Y/ K" t$ h2 r: K; T3 l. W4 |! Z6 f7 c
end2 ~4 f( m) D5 p' P$ B* U8 }! O. W
2 i9 j: F+ N* W# X) t
to do-trust
8 [5 Y6 ^3 A, Oset trust-ok False& `& V& y$ ^+ A8 x" f
# Q' D& {7 U! d; h" T
. I: t" L+ A5 u, a
let max-trade-times 0
' p5 L, }! w9 C6 ?foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]+ v% w; m$ Y7 s" `* | `4 v
let max-trade-money 0
0 D& g4 U& h( Q9 oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]( o- |' y/ }) ]
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))- n1 W1 Z8 M# f/ X
7 J) ]4 `) ]$ B% v' t- e5 x. W. n" ~
+ f; g" H8 [5 Tget-global-proportion8 j- D! V# j- z# w; J0 @
let trust-value
. ~5 Z$ s% ^5 e. N! F8 y# q: F6 h8 ylocal-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 g; r+ p' ]: v8 f/ ~! s: Tif(trust-value > trade-trust-value)
4 ?" c& W- g' u! {[set trust-ok true]; X7 l# }: b, h- z. |
end( x: b( ?: S5 Z% W/ {/ _
) M: Q( C; r- C/ mto get-global-proportion
2 X4 l/ C } N# v8 O' D( Pifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)6 o& q6 ?0 q* h3 m3 J$ D5 R# m
[set global-proportion 0]4 E8 M7 ^. _3 d% ^7 h2 v8 p# |0 J4 F# l
[let i 0
, s0 m' s( O! e9 q$ rlet sum-money 01 E8 t0 E6 S& F) m$ c
while[ i < people]0 _ e" @9 u4 f8 d% Q
[( Y/ X* ?% V8 g' Q' q
if( length (item i
3 R0 I2 X# A# g+ M5 i( D& c5 ][trade-record-all] of customer) > 3 )
8 [! J0 W! I9 \1 h8 b: E[
. @8 `" L8 s; k) d# B- N5 r: u) Uset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
5 ]6 M# g. V1 o6 w7 L3 }& Y]
% A8 D. B7 P% N6 A5 a" P]
, Y. g$ l7 {# Y. d3 y3 ~let j 0
1 D) o0 d w* i3 W' n" |, \/ T0 @let note 08 J: o' J0 {7 S/ v* n: h
while[ j < people]
: h6 C3 A/ K1 C- B( j1 t7 |; J[$ j2 g f5 E9 D( f0 @1 V# Z( d
if( length (item i
6 R. I( H' |. c1 d+ v5 E) Q[trade-record-all] of customer) > 3 )
+ Q- W. Z3 _; i- b; z- Q5 ?8 C[+ y3 d( n4 x5 f% C4 g8 A
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
2 E% _8 c+ D/ u3 N: s6 S[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
, L, t" G, G! _6 m6 h% t, \[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 p. G9 P# j' l, s: a
]
& u6 G- U$ @3 H+ S8 |]. n& ?5 }+ `9 |3 a. F
set global-proportion note
% h+ R: x% {. K]
( x+ k" @' k" K2 u Vend
8 a0 r+ x; U9 y7 U7 |9 U! F* e
* W& I7 b9 M: O. `3 A- r* P& Tto do-trade
0 C* d' w' }( R- @;;这个过程实际上是给双方作出评价的过程! x$ J W0 T& K; b
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
* i# ?& L7 n' m. {6 _set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价7 R, T" B2 D/ A4 A- i2 U M
set trade-record-current lput(timer) trade-record-current
4 f7 ^% ]" a& d;;评价时间
; C0 K, T/ k4 ~& u+ K7 Qask myself [6 a; @: C% k, ]( A
update-local-reputation
9 C, w8 r0 s. ?set trade-record-current lput([local-reputation] of myself) trade-record-current( n& G/ V2 q9 J* |) i; ?3 R& [
]
$ m5 W# R1 X0 pset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. G8 ~) c! Q+ e1 ~! _;;将此次交易的记录加入到trade-record-one中/ j9 K1 M, \! `6 M8 K
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
5 d4 E2 s, c6 I% [' z5 r2 olet note (item 2 trade-record-current )
7 L9 [# w' y9 u. r4 cset trade-record-current
) b0 E+ W8 k( P8 K; I; N. Q7 F% u' \(replace-item 2 trade-record-current (item 3 trade-record-current))) j7 L E0 ~ S0 [! N7 N6 u
set trade-record-current. M! y$ v( q4 e) Q4 Z a1 M
(replace-item 3 trade-record-current note)# c7 N, ~4 A0 Y" ~& }
! J' \2 i; l- @$ i9 r: ^9 M ~4 y6 v8 h( M- s6 [
ask customer [6 p' I* [# ~; I6 @1 I0 F1 n! s
update-local-reputation8 _9 f1 B4 o1 r! I- d7 r0 e; i) a9 ?, W
set trade-record-current# M% b$ {; A2 _
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) / b& ~# ]" I* L, Q- }$ }3 z
]9 w2 r d! l- E# B1 J4 Z7 n0 p2 p
4 q! ^3 m7 W0 @$ @' G. c: O
$ \* `- y) [, T" @# b; W- M7 _
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer& {5 {+ u8 [6 \7 v) w& t
# Z; V# ?" ?/ G, N& u) I/ Mset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
5 L' v& o" t5 E1 H- _, X7 }" O;;将此次交易的记录加入到customer的trade-record-all中
3 ~" W+ g! h( u; x: H- Wend. \$ A. Y4 Z% c, y* w0 w6 o# s' u7 f
/ ? Y7 R) T6 B! D5 Dto update-local-reputation
* P% _' Y, J9 q# w6 p3 i; n/ ?set [trade-record-one-len] of myself length [trade-record-one] of myself
& i& y$ H2 X1 H! H h; U1 D
" ?% q* }9 ]6 f7 f1 [ L+ c8 j0 y% {( u$ P1 Q' S( |
;;if [trade-record-one-len] of myself > 3
+ Z* A8 l5 m' Q9 n8 \: ^update-neighbor-total
& _* }. r' F& a& ~4 W;;更新邻居节点的数目,在此进行( u& [6 ~6 `! p1 @, m
let i 3
8 i$ w1 {: X9 C9 z- |* ilet sum-time 0& M. T' N6 T* e* _% N
while[i < [trade-record-one-len] of myself]) C: l; f0 e2 F2 P4 a0 s
[ k+ X+ L' O; g+ G/ s) G. h
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# M9 p; K5 a2 ^- I; Z9 s* A; W* ~6 Fset i% \8 h# d' K) q" f* f7 R
( i + 1)
- a) S5 s% O% z7 K# H4 @2 l]
- E! @8 Y: z+ ] ^+ Vlet j 3 I+ x1 w$ D& y1 G
let sum-money 0
. s. m. ]( G5 C- T& {, a0 zwhile[j < [trade-record-one-len] of myself]- c( L; q, u# }8 R
[5 U0 ^0 c: ?, t# 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); S, G% C1 p; L s8 J2 M. x3 x( _% z
set j3 W4 a6 [) q, u
( j + 1)
; n& w5 ]! |7 P l]8 [9 N6 X2 ?# c0 L; {1 y: W
let k 30 `: d+ V, j$ j6 @. f
let power 0
$ W3 E: l6 O: n3 U/ n, Blet local 03 V% A: b1 t/ a1 a* O7 h
while [k <[trade-record-one-len] of myself]
, g- R$ a7 V# g& E( T7 l[
; a, g) `; A( pset 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) , d8 p3 ?' d) I/ l1 M6 L
set k (k + 1)
0 y$ g6 V% J, U1 T] m& ^5 V6 D8 D0 d! N5 w7 t
set [local-reputation] of myself (local) W/ @' v% Z q' q
end, \) l, W1 E) ^6 [
( ~" t( m' Y8 E2 ]: rto update-neighbor-total
6 s+ \8 c" o+ j P# X4 P$ m6 g, Y% R* M* Q$ i
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]1 [8 Q: h" S! |4 E5 n% e
" `" U7 h: e2 P4 c, E" a& K0 \; K- s" _, O" _$ K
end- E" S; k8 |4 ]6 l+ P
2 l1 W5 d2 b% ]: ?6 eto update-credibility-ijl - q+ Q* U; h5 Z4 _: \" X: x
0 r3 X9 V- E# h1 u" |3 N$ J
;;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。
. y P- ]; Q5 Y8 Q' M$ S) Y# n. rlet l 0- w! x& I1 V) p- o/ d2 @
while[ l < people ] C# u5 d! u# ~3 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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
9 M* D1 c/ k5 s- sif (trade-record-one-j-l-len > 3)1 _+ L' t7 x' `4 c
[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. Q' q i/ T% P5 M$ H: I/ \7 ^& \9 C
let i 3
1 ?3 G% p P" ?let sum-time 0
9 L# }( k- H( D- h1 r6 fwhile[i < trade-record-one-len]* D1 p! S. s8 d' U. |* ^
[; Z% d- `6 @$ I& Z! j" m. H
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )" ? m7 k6 ~& s8 Q. D- l. w7 o. B5 Z
set i
6 M! I' I; K$ P$ O( i + 1)
! P3 Z; H% m6 I- F1 E1 ?# J \]# ]( l5 x _( K, r3 t! u
let credibility-i-j-l 0
' J V/ W2 e4 h;;i评价(j对jl的评价)
8 L3 ~- V. q. hlet j 3
+ P& ]4 s! h+ |: x" K+ [0 X9 s8 Q/ A: \: Klet k 4) {- T2 m6 ~7 @9 x! m
while[j < trade-record-one-len]
. h: k- W' G }2 V; i7 j[* E- w/ i( d0 W$ E* c8 a5 A
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
3 c/ B+ o9 N3 e( s, O: Yset 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)
3 m/ l$ g: v6 w0 w8 r1 xset j
8 M3 ^6 \* [0 |+ w& ~# ~6 K5 i( j + 1)' D# W( x1 O# m7 i) o
]
$ ^: g3 T) C4 a1 Kset [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 ))3 I" r! T' J6 E2 l9 A# C9 c
* _4 ?, d+ X, u/ a6 S% q Q0 P8 L5 Q, `& w9 ?7 b4 A+ I+ j/ r
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))1 a. \% e k" ~+ N9 n1 W G
;;及时更新i对l的评价质量的评价
' P& @' e, l* M) P! Kset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]* x( i9 T2 x1 @! W5 G
set l (l + 1) d; J2 O3 `) V# G% T' y
]
6 g; T' x2 j' s4 U- {# ?end4 ], Y4 S) e5 q# S
$ p A: ?7 r( U) I* R1 Cto update-credibility-list
" X5 h) S6 k4 U w" ^2 \2 y# Ylet i 0
1 @" o( K$ q" gwhile[i < people]$ d$ K5 l. _. Q7 \5 t8 D
[
% {/ ~/ [3 G0 [0 V$ L- T' y" qlet j 0
+ x: V, @& [( f5 w4 slet note 0
" W4 c4 G6 d( T3 @; u blet k 0
! G7 |3 l+ y9 _! T) U# b* C;;计作出过评价的邻居节点的数目
, Q5 m$ _2 G% S! Q# Wwhile[j < people]) v7 f! Z* c8 O- F6 k# ~
[
6 u' Y* J* Z) ^! N9 h8 }* ]7 H* xif (item j( [credibility] of turtle (i + 1)) != -1)- O+ [) B B2 Z+ Z
;;判断是否给本turtle的评价质量做出过评价的节点% f M v1 b6 G* \. F1 O
[set note (note + item j ([credibility]of turtle (i + 1)))6 W# E7 E2 L. B& e8 F
;;*(exp (-(people - 2)))/(people - 2))]
& u% V& m8 x6 y" s) g8 E/ Rset k (k + 1)
6 e* f4 Y/ q& w8 ]$ ~]( _' F B/ \# w( w
set j (j + 1)" ~! m- c& F9 G* o
]: H: }/ r* a W3 h$ W
set note (note *(exp (- (1 / k)))/ k)
$ F; Z. W) n+ H. X+ mset credibility-list (replace-item i credibility-list note)
$ j- ?2 v& f: \0 m& q J oset i (i + 1)/ \5 M* g! b6 E! V5 B7 c! T _) d
]' ?, v* s' T" T* I h; u" D g
end7 p z, K1 m) F( ^& i
. _# r2 F5 c, e
to update-global-reputation-list9 w. P* b3 k- }5 O+ ?8 H9 W. o
let j 0
1 U6 R- c2 s1 K+ _while[j < people]
! Y& G+ v, L4 r[
% \: e" Y" V' t) @& b2 nlet new 0! {% n8 ~3 B6 p2 A+ l: l, O+ V
;;暂存新的一个全局声誉
7 v. K: p: {- D& e+ xlet i 0
+ d2 Y+ R$ ]$ b0 b6 ?let sum-money 0; g( \: Y6 |& s# @( O
let credibility-money 0& U+ @7 s d" w* X9 U8 }. Y
while [i < people]
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set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
- |! d* J" \5 [4 W g( h1 Lset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))$ y! [/ w K) o( F5 @
set i (i + 1)
5 |' a3 g" l$ _* F]
- ?8 Y0 B) L4 ^) E7 P3 Vlet k 0
" r$ Q/ Q& ?' [/ |) f$ E9 O9 |let new1 0
3 [$ k& T* T' @, Fwhile [k < people]- w- D- P. \. B1 t/ z4 X
[
. d4 j- Q( e D! D% t/ M* a! W2 Tset 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)1 {/ l' n# f" `) c
set k (k + 1)
: f4 F: A4 F. `0 M5 G]: u3 g9 D+ w" V) _8 d9 w
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) * `0 B0 H" c8 h4 c( D, l: w$ _
set global-reputation-list (replace-item j global-reputation-list new)
; }; y; @, x8 L5 @4 S5 k: a, J4 eset j (j + 1)2 A. P% v1 V* x
]
* A o7 Q* l' A1 y, t6 Q" L; cend2 h# o3 d( z4 I+ e& y' d9 @
4 [; z8 c6 I' A; [2 E( X% }2 Y: b5 f' o/ E4 T" `5 R3 X
! P R+ Z# k! h7 G3 \; e4 c! \
to get-color
9 S+ u0 |6 c: Y$ R1 ^7 U
+ `( J) G4 G. N( m8 m3 Wset color blue
6 Z' O6 s/ F+ }end
0 l/ m2 \& u* ]
3 ^3 F5 u1 r9 K0 W( {- m+ S; j! Sto poll-class4 x1 t& u, @* E& V/ P8 W8 B
end
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% H, h6 Q: U! q Gto setup-plot1& ?) T6 u# [1 d
. i$ j5 o# ]( f' C3 I6 Bset-current-plot "Trends-of-Local-reputation"( O; w( @* B' {0 O% R# P9 D
$ g1 I ?. {+ G& d5 f
set-plot-x-range 0 xmax+ p8 O! L1 q$ b
0 g$ W6 n9 `& _% U
set-plot-y-range 0.0 ymax9 m! i1 Z: d J7 T# G% X
end6 h6 b( m* w# q
! a# |/ ^, B) O3 T5 y: s* O) S/ W7 Zto setup-plot2
5 Y" n1 n s9 I9 d! w# q& L! S! {# p3 e, [: S6 f7 S
set-current-plot "Trends-of-global-reputation": L! w8 |, c' R* F
- D3 h% J8 e* r6 Q) {set-plot-x-range 0 xmax
" Z7 t8 I. \" h; k! }; P( r. S4 k& i
set-plot-y-range 0.0 ymax
' c* V' p# U8 _% }. L0 B! w7 gend2 E$ t+ y9 c& Y. A) S
% K& W3 U$ ^" Z2 S8 lto setup-plot3
8 c5 _( h; ~) [& c+ W6 p
- B" p% p$ j9 bset-current-plot "Trends-of-credibility"
; r+ d" j: r- ^6 W7 t* M |$ N. X, M I" T! \: ?5 Y c t
set-plot-x-range 0 xmax
( r+ ?+ I& @3 `! ~
8 N: X6 U, c$ O: Bset-plot-y-range 0.0 ymax
. f2 ~) W& J' @0 o& }7 T& kend& {6 f# M4 D1 `( A" N) E" R
- ?$ i! h x+ [; u
to do-plots5 ?: H: A' J6 ], l- j9 k
set-current-plot "Trends-of-Local-reputation"7 \3 y) l2 r" d2 s" o* N
set-current-plot-pen "Honest service"
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$ N. b: l0 ~ F7 E[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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