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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
1 A. M T0 @5 r9 M7 F# B& Fglobals[. {/ Q$ E! n& S/ p) x, X
xmax
* ~) S* C( r" {( i. Y5 ~ymax
- @3 J/ n$ H7 j1 V) s& t9 u' Rglobal-reputation-list$ E4 e& E0 q. r5 @8 r
X: ~# r: L3 @& Y4 P;;每一个turtle的全局声誉都存在此LIST中1 }7 B5 f* z) R' y5 V1 s; y# _2 v7 @
credibility-list
& f$ B0 ?" S7 S! V9 h;;每一个turtle的评价可信度
2 q2 b9 j4 ?5 h& I2 c# Rhonest-service
- X; V3 R$ g O \; W/ ]7 i% tunhonest-service
/ H; d; Q( Y. E1 B3 ?7 Boscillation
' c2 W: |3 i) r7 Hrand-dynamic
7 J1 r, | {$ [( \]
3 |0 D1 @- Y7 ?
, @/ Y/ I$ A% Y( R1 H) yturtles-own[
4 [+ ?* `( j. |! |trade-record-all
3 d: C- k5 W* s3 {;;a list of lists,由trade-record-one组成2 [* t m! k( B, ~( U, R
trade-record-one J( m7 [# z4 d' ^% g9 U! A
;;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 F8 h& q$ ?0 L. h! i5 |& X. B( _9 w5 f7 i$ m
;;[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]]
, V; m2 @' L: b! ~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 X/ c5 n. Ncredibility-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
" I# ]( k, r+ ]9 K+ Mneighbor-total
+ Z' s; j! D6 A1 X9 L/ d O;;记录该turtle的邻居节点的数目
5 E3 |- R8 n( U; S& mtrade-time# G& f2 e& O( P& U% B0 {/ y
;;当前发生交易的turtle的交易时间
. @. u+ H: g8 s+ e$ d, a& a' Lappraise-give k1 q& e+ s2 \& B; P, O* `0 ]
;;当前发生交易时给出的评价
0 p! U; s2 V6 A& n: Iappraise-receive& i" E5 m/ w9 P- K$ ^! U$ r
;;当前发生交易时收到的评价9 w; x# A/ T4 w' }- b4 i; o
appraise-time& z/ j/ v5 |, A+ C
;;当前发生交易时的评价时间& K Q- ?* B( w% Q$ Z, J
local-reputation-now;;此次交易后相对于对方turtle的局部声誉6 J5 l, F1 {! ~6 ~& s1 n
trade-times-total* a) g j @/ D
;;与当前turtle的交易总次数- d& l) j, {3 Z0 i4 f
trade-money-total
+ Y& P! ?2 Z! l4 R, H2 R;;与当前turtle的交易总金额
% _1 H/ S. p; y3 n6 o% Dlocal-reputation, D8 Q) L/ W; h; [0 q% C
global-reputation7 r; h' Y0 _+ {% z! l6 s% t; e
credibility
; f5 n& ?+ o1 h2 l;;评价可信度,每次交易后都需要更新
) M6 W7 Q; Q; ~, r8 H# Ucredibility-all, }, Y6 R6 p) ]; M) n& 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) N+ w: Y: e0 i9 X. a
0 u3 o2 V" _- }; N% a9 u( @# h& W;;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 l0 o' Q3 N5 U8 t( P" b8 q$ Fcredibility-one
0 B9 E) q" w; C+ x;;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 y6 b' [1 W( f( _4 Oglobal-proportion: G- ~3 }. h4 P7 j n# P
customer: _/ Y6 U# G3 G! g% `
customer-no
; ]! v& V) N$ ?* y( E9 y) z. Utrust-ok% `# _+ O6 b7 ^8 z% b4 | W
trade-record-one-len;;trade-record-one的长度- E0 c5 H/ c4 }/ d) T
]
; a& Z' Q9 B3 `2 R/ a9 L3 c7 i0 f$ b# y7 u
;;setup procedure V/ q1 ?, A5 D
4 B6 H& B' K2 E4 }2 I$ P
to setup3 a5 \* p0 w; g6 O% U
7 l6 F T, a1 Z8 Z: C* h/ f3 sca
2 z2 N9 f' e E o, |6 _4 y6 K1 N; B s& u
initialize-settings
5 _* A+ y6 A, f6 _' o' Q* K7 e3 R+ R$ p/ m' }/ U& @
crt people [setup-turtles]7 H G9 A* x$ S! }
6 c& V1 \) |, a8 P6 B3 Z# S
reset-timer
1 x- K4 Q. q1 T3 f L7 u/ V) x& }
/ Y* W: U2 P& H B9 apoll-class
E( O. o& P+ t4 A) x+ \/ ?. p' C( [' W* o, k& D& W
setup-plots
5 {) G2 o6 W) y! a# Y
( ~0 L' c8 J: d$ b% Jdo-plots& [: l+ G" L1 T/ y- @0 u3 x
end8 R6 k* {( c% c6 J3 N! \
+ S. U. j+ A: t& y! O* ?3 Rto initialize-settings
! I9 [$ ^" D I2 P5 @, q+ @% v: `! x" L3 w; U* \2 O3 F* j) {
set global-reputation-list []
$ u- s7 E' {/ d# M) r& C _: J+ h: e6 [
set credibility-list n-values people [0.5]
9 h4 I# ?) [: s$ N j
" b9 w% C- n! p7 d# X$ X" N; b/ vset honest-service 0
/ q$ \" T# P5 t$ C+ T# i' x# w6 ~/ C, ]& }( I( ]; u6 a$ D
set unhonest-service 0
( b) `* n" q- X x, R7 C, H
) h1 S5 P: N T, Dset oscillation 0
1 E8 T- T( L& F6 u2 E! I; h$ [; T& p" h4 | `5 K
set rand-dynamic 0
* q8 a. i. A9 x6 S1 iend5 V* P6 S4 u, y4 T1 e) }* R
% X0 R: B1 g2 D) ito setup-turtles
S$ a; Q N! K" P: Y! \2 |. }set shape "person"
! J& D+ A5 `6 |! ~. O/ x' E2 z4 ^setxy random-xcor random-ycor
" ~. w1 F5 c/ Q Z, Y4 Hset trade-record-one []
0 H: h9 t% T5 j2 U' L/ o
, w4 M1 S2 \+ Y8 u+ G4 y! O# l4 O1 t$ lset trade-record-all n-values people [(list (? + 1) 0 0)] 0 ~, _4 X0 r8 ?! P
$ S3 {: O) U7 |# H. Yset trade-record-current []) B E5 h$ |! |! x( m- m \
set credibility-receive []. ]- D b+ B( l3 w, V* N
set local-reputation 0.5- D7 Q* K: N9 \5 i4 E
set neighbor-total 0
+ I3 o4 h, W$ |+ Vset trade-times-total 0
. _8 T7 B+ M( Q* X! `set trade-money-total 0- j9 O4 j x% V7 v5 V8 v2 H0 {% j
set customer nobody
/ N) x( J# c5 i$ hset credibility-all n-values people [creat-credibility]
# F3 k: ?6 w2 b, V( z* cset credibility n-values people [-1]
0 Z/ Q0 r" S! Z% h6 Rget-color% ^7 O ~$ }0 Y7 L7 n/ K4 X
U2 I) a* c% N; b. cend
' s$ ]& _7 H, P2 E: O" _# T& e; k: ]! |* W4 W
to-report creat-credibility/ B8 X( P: M* j- r8 G7 O8 [
report n-values people [0.5]; k9 i% v Q0 k2 s+ j. S2 r m7 m' c
end
. i) }! T& c/ X6 t5 e6 y8 Z- Q9 }3 V
% e$ T) N* g+ s$ M5 [; Vto setup-plots
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) C* n/ @) X+ J) C" mset xmax 300 {7 _+ r9 _ w4 f$ q" A
, S( B7 A3 v& H* Jset ymax 1.0
8 t9 K2 s* u6 M9 O! {1 ]8 i+ h1 U8 ?' S- N- i8 P
clear-all-plots
$ s/ n' T8 E: ~9 h( M; ?* D) m! P
$ G, }1 S4 K( h6 y" x9 L; Z: n$ msetup-plot15 @2 g* U {5 R9 Y4 G$ j3 K% A* h8 P
% x9 Q; Q4 U1 O' s3 usetup-plot2( j ?! A% D% ~& e( y
7 \! q& U6 M& W6 [- ksetup-plot3
: _* \3 M4 O# i# Q, ^9 X$ @end! ]# H5 Y) P: D h' C
# D+ U. Q8 r# L: f
;;run time procedures
. x2 o" j$ J6 d; @4 H0 G' M* S+ I; w: @
to go
& T5 l. N& L8 m, G% O$ Q* T: K4 J- M+ V. b' s' s
ask turtles [do-business]
4 q; M+ M* b% T) }, Rend
' V1 ^4 d- W- l) v3 {7 x" A! |8 g. k; w5 X4 N6 G c1 c2 B4 F
to do-business
; ]' N6 ~, v9 ]( a1 [9 [2 `6 K; w) w, T, l7 W$ L4 i0 ?
6 }1 P3 U9 L: D7 E' ?1 N
rt random 360
+ v% x9 x0 P6 \8 w; y) d. A/ W
' R+ E9 J2 C+ L3 R5 O- Bfd 1
4 \& W' ?$ a# F) T1 C
* ]- F0 h. _5 ~ifelse(other turtles-here != nobody)[ g: o& A# k: z
" T/ \# ?) O# }) C5 dset customer one-of other turtles-here4 a& P, U, p: q9 s7 k0 ]7 z
$ k5 c( e/ e* p0 J5 s4 z
;; set [customer] of customer myself: L' M0 s6 f+ O R
6 X( p+ _2 O9 x8 b! J' A( i* U
set [trade-record-one] of self item (([who] of customer) - 1)
9 y t+ J2 T2 M[trade-record-all]of self# t8 q u8 G$ }1 Q: J) A
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 @; k& c1 S6 c
~/ w" m6 R/ a6 A+ ~3 X. ^set [trade-record-one] of customer item (([who] of self) - 1)
) }) I: H8 [7 Y. T: ^, t+ c" R5 y1 s[trade-record-all]of customer
) A+ @( S% A$ [* } g1 r
: o- D' _9 V8 ?" }1 ]( Cset [trade-record-one-len] of self length [trade-record-one] of self
, [' o% c" G% [2 S% ~$ \6 q: I+ B4 V' \9 ^( \3 ^
set trade-record-current( list (timer) (random money-upper-limit)): G" `+ {6 f3 L$ I' f
& O9 ^! V5 L5 B0 z t7 ]
ask self [do-trust]
$ N/ Y8 G. h9 |$ i H) r& M: w;;先求i对j的信任度
: E- g. E9 f4 x* U# M! Z8 i* ~5 {& I& }+ k! J4 Z7 S
if ([trust-ok] of self)
+ Z, d" W7 B( k2 I+ g;;根据i对j的信任度来决定是否与j进行交易[0 n5 s% B0 @ z5 B
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[) X! t& r2 d/ P
- c5 g: y' u- b, X( E* b+ }. i
do-trade! p4 m, z4 s# I8 _2 r/ W0 H; c! e
d; A% `0 K) cupdate-credibility-ijl2 G2 I: Y8 \5 f
# ]9 O7 l) _4 T2 c" k% X& B
update-credibility-list
9 y2 U0 @; w* R+ P: K; U- h- V# @
; x7 } y, p9 k9 B- ?8 k" h5 k& @& eupdate-global-reputation-list# a: ?3 [; @/ o8 h9 Q
& _' @/ f- f- F8 t! Z$ d% _% apoll-class- F: ~, X, o" H2 y* @% t# W
1 q- j6 t0 Z) r- g6 I. I
get-color
0 ] W' {$ O$ X4 G/ |: @9 E9 g! j. _$ b1 A; w/ ~( W
]]
3 ^( { M9 j& X: }) y( F4 G! n" \
1 }3 T$ s* T, }4 P;;如果所得的信任度满足条件,则进行交易1 P$ C l& c& j6 \$ M3 Y2 g& N' I2 _
3 \+ y2 `4 L. \8 N8 F# I
[2 N9 @* q" ]- D+ z
2 P/ B# p* B+ C% \4 j4 Q0 F) j% Vrt random 360
9 m9 |) Q6 \% m3 q" q6 ]
7 r; F0 K9 M: Y: l9 Tfd 1
3 o' p+ Y ^& W1 U* q- }9 a- Y* J/ Q( g1 @" }
], n9 @/ w# [8 Q: d& t8 m I
( y: R) L | i8 W& iend$ U" I0 y5 ?) _. W% y: K
& `$ |' M; O. W& Q2 p0 E! Sto do-trust 6 M- L5 X; f9 ^
set trust-ok False
6 o* H- @; W4 L, D0 ?- j
* M2 A; [7 j/ t) |
7 Y5 A( `4 ^/ {3 G9 J$ }let max-trade-times 0" H+ i' B, [3 H7 a% _$ {
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
! ` p5 R- o# `, t/ }let max-trade-money 08 \- O6 U& {, f, @8 s9 |8 E
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
& d. ]) E/ \# u/ B( ]3 Ulet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
" I4 y$ x! A3 P+ }& c, s: N% V" r/ l q9 @7 |4 ~
$ h- I' A4 }9 E0 k" D8 H& t
get-global-proportion
) E; F' _5 Y1 M5 `5 X! B2 k' Clet trust-value# s" O( d7 A9 P: o$ s! v" 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)
! x+ y# V; q9 a* a9 nif(trust-value > trade-trust-value)
& u& p# G- w+ C; _8 V, `: m[set trust-ok true]
/ f: S) {' X7 j- v$ ]' @0 D K. ^end6 C* ]. e- |4 M. s" d
; @ j" {, s0 @' i8 yto get-global-proportion
3 m+ A7 H# r8 _# r% E4 `1 nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
* N" J; ?7 o) Z' D7 [9 d[set global-proportion 0]- d% B, m; D/ |! r5 @3 F
[let i 0
$ y. o, Z1 _, o4 Flet sum-money 0
7 G* e! a* \# s5 z$ f: v. \while[ i < people]
9 L5 m+ D" G: e+ `5 E. p! P/ A[& e: G3 N8 `: _0 e1 n2 ]5 ^/ F* ~
if( length (item i t' ^2 J3 V8 }' a% X% J1 F
[trade-record-all] of customer) > 3 )
. [) }, A! f* W4 E) J8 V" Z[
- Q3 A) C+ w8 K. T* fset sum-money (sum-money + item 2(item i [trade-record-all] of myself))7 E6 w- A; ]4 Z9 Z& ^
]- r3 e% l2 [- }$ z, C8 ?
]
! L0 U9 O' u3 b- c2 |" t H% {5 c: i& Ylet j 0. F+ }! c; f J- V
let note 0
6 B, V7 m. f+ G2 owhile[ j < people]
2 i' c. M: Z3 N! x/ k" J/ j[8 V' D D1 ~ I; n/ Y+ \6 ]& P
if( length (item i8 h! x3 s) s; O7 ?" ~0 r3 O* l
[trade-record-all] of customer) > 3 )3 N* a0 ~3 D( H) z! ^
[3 O3 c4 U1 u1 A) e3 ~5 ]
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)# Z' m- E& [8 a6 w
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]( }; Q: c$ I( f, z& Y( N4 s
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
4 r1 f+ b3 |. e6 g]3 s! J% `9 O. O5 Z( N7 H1 z' ^
]5 @ s+ [6 k9 R
set global-proportion note
$ q2 d& O- X9 c% @( Q9 D3 n]
+ n- d5 g, ?3 D0 T( n4 S6 dend8 x8 N8 N) x0 w: i
5 b/ p/ c9 ~# h9 j1 A3 e
to do-trade
2 [7 Z. w/ Y) b6 f) h;;这个过程实际上是给双方作出评价的过程$ E* z7 y& T) |
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
. F/ i! h7 P( R9 p3 \9 F; }* oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
3 B2 F# B: q) p& f2 P( |3 Bset trade-record-current lput(timer) trade-record-current
/ \, Z( m6 P9 x3 |. n5 J;;评价时间
6 s) r1 e# A. T# `& s4 s) _ask myself [, a/ J* k# m3 Y( C7 E4 h- _, d
update-local-reputation& i) w2 }" a0 N/ S( N
set trade-record-current lput([local-reputation] of myself) trade-record-current
& s! r! V# B9 M]
8 j0 v6 K G* E( f- ^/ Kset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
8 P0 m \% T5 w;;将此次交易的记录加入到trade-record-one中
}% r: G) A, O- R% K* m2 h+ qset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
+ R6 M) {2 |& X+ K* \7 g& wlet note (item 2 trade-record-current )
8 o2 r7 K g/ _# k3 Lset trade-record-current
( S2 |7 @( h2 d0 F) |(replace-item 2 trade-record-current (item 3 trade-record-current))
/ V V. n+ F2 O1 `, Q; `6 z! o; wset trade-record-current6 ` M8 ? V: M- a1 b
(replace-item 3 trade-record-current note)7 B6 ?7 H; e C
; `- ^0 m+ X7 r7 ~2 F7 t( \
! o3 U7 D, K4 [
ask customer [
9 A3 Y# |/ b" D8 Aupdate-local-reputation
$ a- j1 Z: x {7 y, B# sset trade-record-current
- G% j/ p& t2 r(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 5 @' G; `& Y% _5 {! a2 V: ~) j; v) ^
]
& m- o( W8 c8 E3 N1 L$ [! C$ p' f& |5 K+ |9 }
; h3 p& ]' f7 E0 a1 N7 W# i) ]
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; C. O& Y) g0 g/ ~
* _" Q' B: i$ w6 l' eset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))! x* P4 Y; o" ^+ Y8 M9 C
;;将此次交易的记录加入到customer的trade-record-all中! ]) Z: D9 R4 @3 t' P: I
end
5 M. U2 O3 Q) ^) P! K5 j; W
* V0 Y! ?' l: x2 pto update-local-reputation/ O4 m" s, t) f$ r9 d
set [trade-record-one-len] of myself length [trade-record-one] of myself
# T1 a6 ^1 t- K, \. t/ a0 x- `: C; F( k5 c& @* r
* J3 b8 l9 J s- u: b: ];;if [trade-record-one-len] of myself > 3
7 K2 L* x* [& ?$ X- O3 Q! c4 A K- @update-neighbor-total
* r+ f9 _) ^6 X* @6 ^/ z. e6 X;;更新邻居节点的数目,在此进行, f3 z% B* U" O2 [+ ?9 U
let i 3
0 t2 C0 l: m2 K7 F- j( d/ _0 E4 `let sum-time 0
, K% }. E5 V7 L7 c& x+ Wwhile[i < [trade-record-one-len] of myself]% T" m; G( ]- B) ^0 `$ c+ j
[
$ Z' ~# U) H, i6 P9 G0 Fset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
$ Z6 Q! G0 I: Y: e3 D zset i
" f2 f4 Y \" X, Z I% \( i + 1): h1 {1 ]9 K( n4 N/ T9 ]6 W! j
]( o9 i+ ] a c% Y- C& X
let j 3 M; }; ~8 _3 N* [+ i
let sum-money 0
$ Q) T; q2 o' r$ |" S$ ~while[j < [trade-record-one-len] of myself]
5 T# T2 H: i+ q8 x' r[
; S) P1 M0 l6 ?0 x) X, k7 Yset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)/ u: U0 A6 k" S: x# v( j1 Q3 S
set j5 [$ U( F% S3 d \) n, |
( j + 1), E" y P% K% C3 v+ { k
]
- i7 ^9 w' Z! |4 Z$ U) d8 Ilet k 3
" d: d( c8 x" T f& [8 ^+ p% S: ^let power 05 Z$ e1 d+ [ Z+ t+ I
let local 0
3 m. [: L5 _7 a0 c8 c! \* _while [k <[trade-record-one-len] of myself]! y' E1 c' T0 ^0 ?* o
[& C5 p% c9 ]1 t2 P) E7 _
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) ) d7 V% x& O* A7 R2 L! p8 W" W# x1 t) t: Q
set k (k + 1)( t/ l2 p( R$ Y
]
: k- m: Y& N! }3 n+ i! ?set [local-reputation] of myself (local): \0 G+ u k9 s" y- @
end# n' O: d3 i6 P% k- X
9 A: U, r9 m- N% S, j1 C0 i" Y5 }9 e
to update-neighbor-total+ Q1 ?: }9 A) e: \% R2 S9 _
* \! b. G! C5 l, W- L4 M. m
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
* ^: p2 R% ?8 i: D7 m* U
3 C+ C0 @2 ~. _2 r/ v: N9 H' d
! V4 p$ g7 q" M0 K3 mend
& ?- M, K. N) v& x4 ^( {" G5 D$ ]" o7 c( p* z
to update-credibility-ijl
1 V. N- E/ o, K1 `, H: \* T2 G$ T7 U' m6 [
;;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。
4 U% D4 s/ F/ X% J* t4 C+ C3 Rlet l 0
5 L6 y% v# }" M0 r5 K3 cwhile[ l < people ]/ h3 d7 q3 t, w6 B# 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! V1 _( U2 b+ [! }
[
1 E* F3 l2 `) \* }$ Jlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
. H! U6 J* [& Bif (trade-record-one-j-l-len > 3)
5 Q2 [3 W! c6 x' ]8 [8 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
2 K. g m& B; W' L$ Q+ j, Plet i 3- D7 E8 `2 _* q. G
let sum-time 0- a% I# L. y, r! j a2 y1 _" L' s
while[i < trade-record-one-len]8 [) W2 d$ r: `4 E( A
[
# U5 C0 q$ k* Uset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )' {* k! `( c6 L; a: }# P4 R! H
set i# p( j* t6 C3 a: C6 i+ i9 }7 ?
( i + 1)9 R* i `8 D) j. H2 P, }! k
]
c$ } {. o0 R( Y6 C3 g6 {! ?let credibility-i-j-l 0
* j7 b) R" Z% C3 v8 f( |# ?7 ~: v;;i评价(j对jl的评价)
/ t: o+ m2 o: P& T6 L' Glet j 3
* t7 J4 A6 W/ z3 tlet k 4. Q2 M5 |7 {1 |/ V! s& F
while[j < trade-record-one-len]. K" }0 i4 e% T' e, |* p
[4 Y( Z4 D: k% h7 q4 `2 W
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
5 j5 r' N& M/ N: Mset 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)
' m) n' ?( c! Z6 r+ k' X! M. G3 X3 t6 eset j
" K( _& n; _) d( j + 1)
) Z$ _& x0 d7 V+ a) z$ \* K3 m]2 v0 U8 {2 }7 y; B; r
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 ^9 e3 S$ i9 K. T# p
" P: p/ y) S5 S1 B4 Q7 ?
, {- T+ j5 B! D; |! ]let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ R% X2 V1 k$ ~
;;及时更新i对l的评价质量的评价! t' D* N8 x- N% p0 d5 n
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 N8 O; ~9 K3 Sset l (l + 1)
$ M# l' G8 v/ r+ }" {* Y]# o/ `+ U/ P; z- ?8 X
end
( ]5 Z* F4 h8 F8 i# t6 ]: r& l* }. {) v/ X$ a. }! S
to update-credibility-list
* q" z( N/ B$ k0 j0 F" Ylet i 0! ?: l) l0 I! ^& o
while[i < people]
- ?3 X1 P5 y2 q% D8 Y5 a/ d[0 X, g- Y% e0 X, g$ m9 e" ]2 T
let j 0
) v9 u- [# t9 I" B7 m, a6 x- E6 I8 tlet note 0: }- a6 ^4 \0 }' P, w
let k 0
; R; P b. T, n;;计作出过评价的邻居节点的数目
( R. R1 W8 _+ ^/ fwhile[j < people]& w5 W: m, \+ ~" Z* J
[
7 m: A% x0 m- r1 v( e Fif (item j( [credibility] of turtle (i + 1)) != -1)
. p) M) Q' u3 h8 o;;判断是否给本turtle的评价质量做出过评价的节点
8 [5 a& r% e& |( v[set note (note + item j ([credibility]of turtle (i + 1)))" E- b) Q7 E3 s |( N/ o5 B
;;*(exp (-(people - 2)))/(people - 2))]" m; ], D8 A# w
set k (k + 1)5 k# e( q1 Y* Y; e- Q
]
' q) s. Z5 C) D5 t$ l* v1 Mset j (j + 1)
/ ]9 @+ [6 ^3 \/ a U( Q]5 M3 Y; X0 v, V% f5 P q3 f
set note (note *(exp (- (1 / k)))/ k)
" H) {' \4 C( ]3 N/ Qset credibility-list (replace-item i credibility-list note)' W& s/ f! { F" c6 K: Z5 U0 Y
set i (i + 1)
; L0 v8 [0 U& ]2 Y]
: R( v) ~) Y$ b) f5 gend% t% f, ]5 d) R* p0 a/ C% G) u) \3 U
! x4 n- o+ u0 f3 ~- hto update-global-reputation-list1 p5 H" F0 f# @7 L
let j 0
7 N8 }% @( X8 p4 kwhile[j < people]
1 `5 f+ a. l" q m3 L4 k! }[( F: \3 Q; I8 g
let new 0
4 a) y% T* e! r) Z/ g5 ]: E( G;;暂存新的一个全局声誉
& m! k2 ]/ Q" j" B8 hlet i 0
/ x' ~& b( F, z6 R7 O! F# Olet sum-money 0
9 [. _( ^4 k+ p" g% alet credibility-money 07 F: t0 U& T4 _! F
while [i < people]
% C4 a. }1 n+ s- ~ h5 V6 h[% h. m3 j) W2 ~$ m; a: R) _6 u
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
0 h( W( R4 G* D8 j$ Nset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))$ x# M7 @- O! ]3 j
set i (i + 1)
, J2 M6 s$ N, Y$ ^" ]]
8 W; I8 }) z: R) s klet k 0
! D: o( S" k5 {9 Ilet new1 00 v3 H6 E: Q/ V& c! s5 b5 j
while [k < people]4 L# P2 x5 q) u+ N1 _$ H
[, q5 l Y2 R8 I: r+ C
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)$ |1 y' {) r5 n9 s; c7 ?
set k (k + 1). w& V- `6 D$ P- d9 ]9 s, T! I
]
' V I1 {# ~: t Lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: K# k" J, n6 K* i! o: Rset global-reputation-list (replace-item j global-reputation-list new)
4 e( ^5 J5 s6 G i0 F" T: T1 eset j (j + 1)
, q/ L, k7 k' p, j, ^]' I. n" @: w) [; @, e5 S
end
1 ]7 M( F) P$ \# ]8 W" E, ^8 @6 U* f" I7 O6 P% _$ \! j! ~* K
$ g% O# D7 L4 Y7 ?
d! v9 W7 n: e) h$ gto get-color
7 h0 w) H5 o: E) I) k/ l. [9 b$ U6 Z) N7 Y. x5 [5 p" B' |
set color blue
: L! C B: T; eend
9 w( p# a7 t, T7 M" r I* V- Y
1 Q' Y0 \$ p. b$ \0 i+ uto poll-class
. r& ?" R' g: v- xend
6 e5 c2 h9 X: _5 I) k L9 m" o) q3 c9 S" M
to setup-plot1
( E" j6 d) f' w, m7 {/ g
& @1 L2 |) f/ }' cset-current-plot "Trends-of-Local-reputation"
- L Q( \) L" d: M" D
3 G7 A/ y- P5 O1 ~' H/ iset-plot-x-range 0 xmax- T6 M! S' Y! ~6 R; v7 a& N6 D
- o) M( f1 j6 t8 F
set-plot-y-range 0.0 ymax* J2 f' Z7 K' j8 ~1 w) s0 ?: a
end
. Y5 I* z m8 L: m7 J1 d U8 N& ^9 g$ O, I5 ~' }
to setup-plot2: k4 ~+ ^* Y" y4 }7 I
% Q, t) J0 R) a' ^ b8 S8 F) ~
set-current-plot "Trends-of-global-reputation"
6 t l$ R% H- {2 c# a
6 Y: w4 ]2 N6 {! v% vset-plot-x-range 0 xmax
2 Y- R' A4 u% t4 f2 u2 I: s" }. V, ?) N& z9 ?! f! I% N n8 G9 j
set-plot-y-range 0.0 ymax9 K. L/ t$ X+ z& d
end
5 |) \4 Q5 m; T) C0 q
+ m, ^. D' ]' q& f' G* tto setup-plot3" i! D# D- k2 k8 q1 D
* ^& E; A1 U* j- Bset-current-plot "Trends-of-credibility"9 i7 e- P2 S; `5 a
3 s* ]! v7 M7 C" I) O+ q& |' Tset-plot-x-range 0 xmax H" |+ f+ s1 V# R7 x/ }2 {7 k6 ~7 l
) [2 d6 I) q4 Zset-plot-y-range 0.0 ymax9 c9 n7 V) ^+ ~5 l- N) R' }( D
end
9 j5 b6 k3 E1 Y ?: W6 t) g# m
1 i% w2 I9 a t# `/ Dto do-plots% U8 a6 [( F- c6 t8 _, q0 l* ^- `. ]
set-current-plot "Trends-of-Local-reputation"# }, i1 Y4 y. W$ [- V8 ]9 e. w
set-current-plot-pen "Honest service"
. J" o/ u S, B( Hend
6 d! E% h+ l% Q2 O( Y# y& V
( t6 m l" T z[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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