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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
, w- t! l& b# ?, ]; ~" X' B+ O# rglobals[
# y+ ?, s. ~0 G; ?8 Zxmax
( t! x: F) l, z8 w9 vymax
. j- y' Y: O( }3 @) Q, Jglobal-reputation-list) f$ d" J1 H; l' \
# U I% f7 W2 V7 @6 v+ o/ k# p;;每一个turtle的全局声誉都存在此LIST中
. s( R/ h* {0 Z- mcredibility-list: z9 \& s. F7 }' s+ T2 o; J/ c+ R% G
;;每一个turtle的评价可信度
. P( [0 l8 W4 H# K# o5 V* ehonest-service$ y* W( G* b1 p: E/ A. P) n
unhonest-service" [( U# v9 P: R) a5 z6 h7 ]
oscillation
4 Y! X1 \$ g9 K& Z5 C$ srand-dynamic
; T. X& J! U' I; M: d \/ G]' X+ E# i" S) N4 ?! e2 J) V7 b7 ~3 j
- b( P, S! y% @turtles-own[
" y0 v! f. z: ?- Gtrade-record-all
1 S) E! n' g+ `;;a list of lists,由trade-record-one组成
( S5 ^. N& [% y$ `trade-record-one
* s# @+ a2 o1 D. r4 R- I;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
! k$ J, s; ?( m/ ?" }' ^- S. H- h5 I% q
;;[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$ U. _, {2 G5 k# ~% H" Rtrade-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]
9 L$ R4 W9 p4 Bcredibility-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) u% f! v& @ @/ c3 w
neighbor-total
. P+ u: q; x, k, k7 |* h;;记录该turtle的邻居节点的数目
9 S0 K6 T1 B# N# L9 G- `trade-time" U" |! d7 O& Y5 Y* M( G P( \
;;当前发生交易的turtle的交易时间0 j- i9 ^ ^* Y) p2 M/ x( U {4 {
appraise-give6 m( l0 o2 w; B' |( n/ l
;;当前发生交易时给出的评价
( u2 x- K, D0 i( H0 S! Rappraise-receive
& s7 y: }2 b! `# q# g;;当前发生交易时收到的评价" Y5 f# p/ Q o$ p+ m3 o
appraise-time* y5 g3 Y0 L5 B* O$ P- d3 ]) U( \0 e
;;当前发生交易时的评价时间# H q! c6 D# X( u/ Q# M
local-reputation-now;;此次交易后相对于对方turtle的局部声誉; N" h0 Y8 z! n/ t! v
trade-times-total
5 I* p- c/ t0 A; V" c# J9 X( m( y;;与当前turtle的交易总次数+ P2 i9 \! @5 K( L* }9 t& Z8 o
trade-money-total
: v: i' m- q5 _8 q;;与当前turtle的交易总金额3 j! ^0 e% `+ v+ _
local-reputation. s( |0 H2 C6 L
global-reputation4 x4 D; Z! `( f4 c
credibility
- O6 [; t; }! h7 h% a( A5 y0 W;;评价可信度,每次交易后都需要更新" v) ]8 N8 t. l Z; t( Q* C
credibility-all
3 v4 ]1 h& y/ y g7 t;;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% L, k; g% Q* g \. g
2 w# Q6 ?5 i) k0 I6 p5 i
;;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
3 o. x( t, o1 e9 Lcredibility-one
% U; f' R; n. G) r( Z;;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" d: z" g! s& {) W. T7 m
global-proportion, Z: s4 t- Q) e* n
customer4 h3 }; a8 M& l
customer-no/ ` `0 O- r* U3 h$ |6 ?
trust-ok9 V* _4 h9 ?1 R: E, l0 e) _ G
trade-record-one-len;;trade-record-one的长度
# V) V" T+ w+ w& I4 c' z) |]8 q1 U* j$ W1 p5 K" P* Z8 Y' [ _
) _8 M: E" e: e7 p0 F. C
;;setup procedure7 O5 N. C( H0 A( g
7 _: h' D) L3 I9 Y3 mto setup3 c. B$ v* F! r* ]/ ~
1 r" |/ W6 @5 T8 yca- x4 F6 O# M; V# |4 h6 N4 I- B
. y9 |# n: ^0 g& T* [' M) O' cinitialize-settings J$ q+ o7 R; H W* {
# h: l+ }# U. |
crt people [setup-turtles]
; K/ u) p. Q7 |. }+ t+ I4 ^8 ]+ @8 e
reset-timer
' C! O% T+ H: c. h( j: ^; A" l! w7 r- s# n' y5 k6 W4 t& D
poll-class7 Z+ f9 s1 | m( n5 e' w* j% W
3 D4 P3 V- A* w+ m
setup-plots
) ]! q b3 y# D1 j# G) K; I+ Z% W7 b* U: M; u4 C7 h5 u
do-plots: s2 Y: S& e( a9 Z% D. e' C
end
/ _' K8 W$ q. K7 E2 p/ \7 B$ F0 i$ f& a U# {! ^+ _4 H
to initialize-settings2 I% w3 O5 E z( [
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set global-reputation-list []
3 ] d: O& u5 `: t. ^4 @7 @. o# M" Z+ i: C1 v2 X( W
set credibility-list n-values people [0.5]
6 {5 x# |3 ^; b. q( e9 V C# v
1 `0 R' `+ x8 e( e' T, mset honest-service 0
" }3 x5 i4 G9 V8 _: x+ J' i9 O* E: Z% ^& f! {" f( W7 ^; G4 I
set unhonest-service 0
6 B+ j* | c, e: f& v0 o1 i0 b' ^; C0 F f# l4 x R+ g
set oscillation 0
' A T+ w! u, f: T' t& k( b* m/ i5 _6 ^1 y0 W! ^2 I
set rand-dynamic 0% j G5 M+ C% ~ a+ h4 G
end6 B3 M, v3 b7 T c z" p
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to setup-turtles 0 `" H5 g$ P' _) x- O
set shape "person"
0 T" n- l1 A! Z. Tsetxy random-xcor random-ycor
0 C2 {8 E% k# i# t( F" M2 v: Cset trade-record-one []
5 k" a+ Z _( ^! |% P. j# l9 \- X9 L
set trade-record-all n-values people [(list (? + 1) 0 0)] 5 F8 X+ \$ n0 ^% \
4 m: S* X0 [5 ~! ?0 L/ z. ^
set trade-record-current []
8 ?+ `1 u& K9 p' Jset credibility-receive []9 _+ o& S# D/ a% }+ ~ D6 z- T: L
set local-reputation 0.50 p% O% G' a$ a1 G# f
set neighbor-total 0( A- ]) w5 n1 \1 }' m
set trade-times-total 0
v% ~" _- W) o1 o8 \& Fset trade-money-total 03 ?: `; q) A. q4 j
set customer nobody
$ P2 Q8 T. N9 E9 ?0 n% eset credibility-all n-values people [creat-credibility]8 I: s+ w9 o4 L$ J: o
set credibility n-values people [-1]
% ?' |2 v2 c9 F* A2 q8 i' cget-color1 b8 X/ z' r0 l
+ |" {0 } a( E5 I5 Jend+ L' n/ w: s" L1 G2 g7 j3 K2 |
+ ~' i0 W1 z) ~
to-report creat-credibility4 `' O6 P0 q c; P$ L
report n-values people [0.5]
: c6 n# P4 y5 l; Gend$ @* p' v) x! `
1 F% h/ b7 R& K2 Nto setup-plots- {5 [5 G6 l" y! U' V
( A" F, S% m9 u2 Hset xmax 30- u! U7 O% i- x3 v: A% K( a3 Z1 T* H
2 V y" \% C# [" W4 eset ymax 1.0
: I- C2 Y6 L# S8 ?$ r; |. p+ i
- a+ g- r6 ]. ~+ z! Zclear-all-plots
0 m4 `- g( G% l6 m: O; {7 @/ U2 I) ~( u2 N5 m* z
setup-plot1( h; j0 Q$ N( y- q
2 Y4 r7 l' v) b5 v: Q0 c X
setup-plot22 U+ q; u$ M: l; Y% P$ V
1 V1 g' V1 Y0 U+ S$ t/ f& F* Asetup-plot3( i$ ?3 Q9 Z+ ~: K& e: T5 T
end
6 A: Y) O5 d. A% m1 S
. |6 ? u( U& Z+ q f;;run time procedures1 h# T3 E, t( Z
( z, y! G6 \ y8 Z7 f
to go
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7 j7 r$ c, S+ g @, gask turtles [do-business]- {6 ^. \* `. S: m+ ]
end
( s' ] w/ s) q( a7 W6 e
. e8 W% m9 v+ J2 d7 o. _to do-business , G" o4 V1 ^" K y: Y5 A
! X ^1 U; O4 G% \3 H% [) f: ^
/ \8 t, K! A6 D* g2 s% t) O2 f. F: frt random 360: i0 M6 c# ~/ d
+ ]+ m' G1 \5 W/ J) s. S* B5 Nfd 1 s M. S' q" B$ _, G% R
2 S" n8 Q# G# _( g' w) T; g
ifelse(other turtles-here != nobody)[8 ]6 a& Y0 l6 U5 |4 ^4 Z' w+ n
7 |$ e) ^! y+ |) B1 Y9 A6 @! r
set customer one-of other turtles-here
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;; set [customer] of customer myself7 L0 G! F# U; Y) u7 F5 g
) O6 m; X. Z+ _ C2 X* e' k
set [trade-record-one] of self item (([who] of customer) - 1)
" [" K. p" w" d[trade-record-all]of self
9 B) h6 ]5 ~# L) n! v+ D8 E8 P;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self! f' R* y8 t+ H# I: E! D4 Q+ a
0 y' R7 y7 x5 B* x
set [trade-record-one] of customer item (([who] of self) - 1)
# M! j: P# R0 Y9 u6 Y5 u% b[trade-record-all]of customer- Y8 P4 g9 N: ^0 g# }9 c$ y# o% }
6 q" Y4 \! P6 J
set [trade-record-one-len] of self length [trade-record-one] of self! Y3 ]& W; f& j$ A7 x' L" e
& c" U9 ~: E- V2 r/ n+ F" \7 a7 ~set trade-record-current( list (timer) (random money-upper-limit))
. P% @9 O% c# j9 h( ^. x8 z( n- A* Q- y) P2 B9 u
ask self [do-trust]4 E4 }& R5 Q! G3 s6 `
;;先求i对j的信任度
; F9 I9 i3 d# {7 m
$ h# j0 X# v Y1 i, Rif ([trust-ok] of self), Q' T9 B- D- D
;;根据i对j的信任度来决定是否与j进行交易[* C' @* B+ K. ?
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
4 f- C* I8 U8 n) v* I/ g4 m- h/ @; V/ q( y
[6 p4 C$ O3 s7 T2 e
5 ~+ X9 Z% T/ O( H! G* Kdo-trade2 P* x2 t, B! C1 C6 u1 P- p+ l
) S7 j6 r$ i8 r$ Iupdate-credibility-ijl
+ s1 G; `) v2 |( ?0 d' {* n+ T: _8 \6 T8 P; U; l% p6 A+ u6 U
update-credibility-list
; f+ ?6 k2 C$ n2 I7 i& N6 j
/ w1 F' R9 u4 {+ K
% U; K/ Z! D+ B8 A1 pupdate-global-reputation-list: T. {& \; v5 L) t% K
! Z4 y+ z' q8 q! J( H3 i; spoll-class
7 ]+ u. [1 z. B: c+ [& u1 G$ n) F* D
get-color. ?0 G! R, z. n8 L0 o
6 i6 G2 f( {* } J) e! L
]]) D* I' H- M/ h& o( }$ K
0 C+ e. \0 _( F# p. {) }9 Z;;如果所得的信任度满足条件,则进行交易7 D. W3 ]( S* h8 q% j
9 B/ s; l7 a7 t[
1 E, y1 ?5 X+ a2 Q/ ^7 K4 ^" \
3 c3 j4 _1 ~8 X. K* y* Irt random 360% b% W5 i5 r) Q, z
- ]* G k6 L, C: \5 D( p1 W
fd 1
3 C* h4 {; H1 _1 l8 P" P: Q# b# ]4 i0 M6 c
]
2 ^9 u" \: b- X5 i/ s" M
5 A$ c( Y6 Y! \- K: w$ Uend
* ^2 o+ b! A; }6 }3 d# H9 ?/ N9 S- _$ Q( _: U0 ?. I; \
to do-trust
3 g' D) X% g% z% {7 i% mset trust-ok False0 L1 O5 B0 K2 Z8 j0 @
$ R2 }) |5 ^# u. R; V$ O# B" [! y9 l) h
let max-trade-times 0
6 s* M+ v; P& H* d& iforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]# o* h; |3 J" _8 O
let max-trade-money 03 {. j |# Q' |% ?
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
. F; |6 H3 N( ?: R. X" o: vlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))9 I. w5 U- H! _+ B) g9 J* P* ` j( _
+ [8 x* }- T# P6 C& b
1 O) F6 Q6 b$ ~( D% x! oget-global-proportion
5 G& W) G* Q. g6 ~ elet trust-value; a' H- ~/ f0 Z2 R: j3 p0 E; m
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)
4 Z' L; r% f! ^8 | c; P' mif(trust-value > trade-trust-value)
% }9 ^& k. `$ |* c9 c! X6 k; k B[set trust-ok true]
* m6 o( k3 c! send
! A# E7 \ n9 ^2 a
* E5 C6 H, _4 A1 oto get-global-proportion
- z$ |8 M, R8 }* S! w0 Rifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- I6 j3 L8 Z' n# p, g[set global-proportion 0]/ S1 c- U, F1 G) w0 K
[let i 0. u% t; p: A% D& }8 U) ]5 b
let sum-money 0 ?7 ~2 W/ B6 ~2 s K; Y/ W
while[ i < people]
, H. v y! ~1 m[' [: B) i7 p; P4 S& i0 u! l
if( length (item i. \8 u; H* |7 ^5 d; N
[trade-record-all] of customer) > 3 )
' R; r J3 W/ |% e[
2 o9 M b, @2 G( U8 U8 D( R$ S8 eset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
i2 M2 r) v; a]$ K5 b8 ^) q" ~ g9 X
]- D. ~, J) G9 o* m2 _
let j 0
) Q* D0 D! j- q' Y9 ulet note 0
7 t/ G1 k; Y Kwhile[ j < people]. C% s ?; A% v8 v
[
$ G$ E7 ^3 y2 d1 a: A+ vif( length (item i
0 l% ~8 R! q9 @% ~[trade-record-all] of customer) > 3 )' ]( S8 a8 J" n# a+ o' y
[
6 j* ^5 d" U1 C8 J$ u) \& Cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ s" r/ N- c6 T- H% N
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]. B! C$ O3 j7 G8 |
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)], n4 @) }0 n, Q5 S8 F6 e
]6 g1 R% W9 \$ X3 Z5 r) g0 {# `% f
]7 t9 e# ]5 [6 J+ V# r
set global-proportion note
7 F& Z( {. f4 n( T+ O]
! Q3 G) {" R4 u. Xend
+ o: B' s+ Z B( N/ ?
+ j) W7 V! m! Y& k- H' C: Wto do-trade6 t1 \( U) b! Y" G* n( H$ Y
;;这个过程实际上是给双方作出评价的过程
) w4 S! l" N- g# ]! xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 o1 l7 l3 }% vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价/ s. t- x2 j; J7 c
set trade-record-current lput(timer) trade-record-current, {6 |, [2 z* o* O; J
;;评价时间
F0 }! t8 d* K5 u7 J% aask myself [
" J3 h: _8 _. S9 ]2 Pupdate-local-reputation# u3 ~ N4 e* {/ n P# e/ D: f; A
set trade-record-current lput([local-reputation] of myself) trade-record-current, H, n8 i d" o: ]- b
]) C2 k; r! ^& Z# [6 i# ?. u ~
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
8 T P4 Q; I1 Q% y* Z Z5 h;;将此次交易的记录加入到trade-record-one中
- w# ]# {1 n/ W8 T$ ?) x0 z7 G- Wset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
8 q1 A" B* P8 W+ e Elet note (item 2 trade-record-current )0 G# b1 `8 j6 l" ~8 r( Z: q
set trade-record-current
6 C2 {/ _) Y" B(replace-item 2 trade-record-current (item 3 trade-record-current))
3 r% T9 ]3 @& `2 Iset trade-record-current5 v- H3 L; G" u5 ~# D
(replace-item 3 trade-record-current note)
* U) c4 t- B f9 _+ F9 C8 C, ?8 H5 j! X7 l! a
1 T0 F& h1 E6 A4 u/ V- r( M5 yask customer [# w* p+ B0 m5 N" t8 s' _
update-local-reputation
( I6 O7 y% M& F6 fset trade-record-current
" G8 a$ r; w8 G5 i {3 W3 ](replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
: i8 H; H6 }$ r5 I], V5 N V6 `' K8 J% T8 V8 V; s
" X9 L% ]& a% Y3 n$ c! v M- {1 i! [, Q2 q' V* E5 K+ K
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
. f9 y$ m! x# }+ C/ ^" g
9 s% \% b- \4 |% l$ Z3 J% nset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& U. A4 C8 n$ s+ }+ X;;将此次交易的记录加入到customer的trade-record-all中. m# C0 K; P+ y: m' t
end! W$ b9 Q5 S% s7 C
0 D8 D! G0 h% }
to update-local-reputation% n+ t( R7 A. r" g
set [trade-record-one-len] of myself length [trade-record-one] of myself6 }- L7 l/ X4 K$ S# ]. R& w' h
) p+ b1 x _6 t( V/ ~# c% t2 e2 h9 J9 Q4 t' m
;;if [trade-record-one-len] of myself > 3
6 l2 j7 g1 p# I3 T/ Rupdate-neighbor-total
. M$ j$ u3 O K8 |, G K;;更新邻居节点的数目,在此进行
3 n; I1 q/ R& l5 G5 olet i 3
3 w' u3 A2 ]2 alet sum-time 00 M& h; f$ ^$ `+ e: @. x
while[i < [trade-record-one-len] of myself]
V# m: b7 Q& D/ K" t( t$ Y[, M7 Y. |/ q% e# ^5 M
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! Q# w# D3 \" |3 ^6 x) k, nset i
' L: }: D! {# T8 S' R" h' C( i + 1) {3 W8 ^& \$ f
]8 q; U( |) S7 K% T! V/ D
let j 3
: H/ x" ]4 h( P. @let sum-money 0! l3 \$ [4 l$ A7 K8 k
while[j < [trade-record-one-len] of myself]
3 i: a7 ]4 K% T$ n! h4 Z[
0 ~# _, T, v, pset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
# J2 B/ m2 X% Z" |set j
' M Y& W/ @# |( j + 1)
% y# q0 D# b; G' P]2 i- u7 W% b, d( e1 q# @+ o
let k 3
1 Y4 k# v) n9 M# ^( S, M* slet power 0
: C# Y% Y; i" Xlet local 0
T' P: ]3 k6 [: c( Z% Mwhile [k <[trade-record-one-len] of myself]. q4 z y9 _) d1 k
[
( P7 \/ L& u( t2 U* `, X& L- nset 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)
~+ G- k7 O2 @ I, L3 d$ T3 Hset k (k + 1)9 C7 ~) J% H; e3 Q3 c/ B$ W
]) H) N0 t, y, K1 C! Y' k1 I
set [local-reputation] of myself (local)3 f- _% `0 h/ h5 }1 S
end& t; B% u/ v3 j; q! n
6 y7 w3 ]( u# C- c" W
to update-neighbor-total( F4 d% n0 m1 S" | S5 ?
! o2 J7 y- U8 M4 J0 I1 z
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]4 W% P* U9 O! ^9 ~3 j9 H6 w8 u- [
1 |6 c- i7 V; a7 {/ |
! Z4 x' ~& ?1 f* }+ Hend0 K% i( K) o& W, b# a
5 w% Z o: ]. o0 \
to update-credibility-ijl
2 O# n3 F+ @2 r( A' W9 g4 E* B P& \/ l
;;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。6 l! ]4 S7 s4 N. J+ F' b
let l 02 a! V4 \* ^4 V/ x5 R6 L
while[ l < people ]$ L2 e. L# z& @. M9 w
;;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
3 M' C- U5 L) h% R, S4 J[
9 {* D# \' E, H' t( @let trade-record-one-j-l-len length item l ([trade-record-all] of customer)5 X! r: \: T2 N$ ^) r+ R3 K
if (trade-record-one-j-l-len > 3)
% S$ x- W7 b8 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' r$ a& s' V8 @ S$ e# W
let i 3
: h0 B) P2 x& g5 {1 z- m" x; vlet sum-time 0, g& [4 c7 `0 ]4 [2 @- K2 l
while[i < trade-record-one-len]% k5 j" h' E& K9 S$ A: L1 o
[
0 [7 `, c6 z+ x$ ^set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& z0 w5 V5 h9 x0 kset i; @8 L3 P/ W$ E. b
( i + 1)
2 K, X. Q( T* c0 Z, j) { z! e0 n]/ u- J8 M. {: Z; _% i0 Y' J0 {/ d( ]
let credibility-i-j-l 07 @' [8 I1 C' E' O1 s9 X/ S3 \
;;i评价(j对jl的评价): q, ~. v. C: D0 O ?
let j 3: r# C! Y5 l4 F& _
let k 49 {# x! x- h9 K3 T
while[j < trade-record-one-len], [/ A0 Z$ U6 J5 ^' x
[% B* C$ l3 H- M2 t; p3 ^ }% |
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
! B3 A& L- i7 | R1 x; x8 Tset 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); N, ]9 d# ]6 N; Y4 [$ w1 j6 O7 G
set j
& ^$ C" i2 R* w8 h8 N+ }+ R' U: G( j + 1)
2 l& n1 n" p. o+ A]
% ]$ Q3 Q+ t0 Q* tset [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 ))/ b4 p. Z8 m2 j6 {- H; R# H5 @
7 r e- T- d5 D, N$ r
" {! g ?* n7 s ^( h- B# v) Rlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))% T; }# h( q( I/ Q) l$ z- l f
;;及时更新i对l的评价质量的评价2 v, B: m7 N! C& ?& v
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]2 @( w, G, F' w! w, q
set l (l + 1)
' M7 ]& f. ]7 \0 Z]
$ j$ L x/ m6 b! ]# R7 r+ Zend# T" I" E" N! k* }% u% J& d7 g& x
& [8 [% M+ E. Q1 |. E+ x) d( nto update-credibility-list
0 Q, ]# }: e: [7 l- a7 l+ nlet i 0
% V0 b: O1 R" Q6 s( I& iwhile[i < people]
6 N' l0 J; C+ H; R0 X( T4 X[
) P4 N9 E- k, X0 ^0 z- Zlet j 0. p' g6 n6 X3 g, u$ ?: A
let note 07 x& A- t6 K/ o0 Q2 O Z- Q
let k 0
/ _# D& [ I- B( ?% C+ Q5 @/ C; f;;计作出过评价的邻居节点的数目* e; O5 `* \! n$ L n0 i, g( o
while[j < people]5 b0 C4 e- ]" x9 O* d/ @
[, n3 E6 I* G6 U; ?! j
if (item j( [credibility] of turtle (i + 1)) != -1)) m6 F' K: D8 x# U+ ?/ n" `
;;判断是否给本turtle的评价质量做出过评价的节点
1 {. Y4 h: G: W1 r, {[set note (note + item j ([credibility]of turtle (i + 1)))8 y H% f4 z, _3 G. F' \
;;*(exp (-(people - 2)))/(people - 2))]
2 d7 ]+ W$ r# mset k (k + 1)3 v5 P8 n9 L. w3 w# }4 b' D. {$ d6 g
]
; S( | E. p! K0 [/ {7 g$ Jset j (j + 1)4 D9 p" |5 n1 g" n/ @
]
+ J2 i* _$ g. D- q1 m* vset note (note *(exp (- (1 / k)))/ k): c5 W' G+ X, Y
set credibility-list (replace-item i credibility-list note)2 w5 c: q2 N/ _
set i (i + 1) _/ h* m2 j5 G2 J# I; b& u. i
]! J5 [1 B8 ^9 A
end6 B8 _5 q" I# W4 Q' F, ?1 `" Y. i
4 G: A5 W; f3 F3 n- `1 z* q! F- s' Xto update-global-reputation-list3 W/ W7 T& q! n) e8 C
let j 0( M" F5 [) N4 l/ v
while[j < people]. B5 [ D! O. D2 {& D
[( _/ h. `' W' `& o1 \
let new 0
3 G. p6 k5 B( J) j& x. V' y;;暂存新的一个全局声誉
3 M, Z: [% L8 E% Llet i 0+ T8 ^2 u. a1 a% S1 K
let sum-money 01 `2 o# q: a6 [2 b- b, I
let credibility-money 06 } M- F# i3 Q9 q: R- L3 f
while [i < people]
+ ]7 A6 }. ?$ h2 C[
4 @* w' e, l& Q( X; U' W4 j) tset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))), d9 K& n+ s l" H9 k1 U
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)). V2 |& T& B# U! S, c G0 A
set i (i + 1)
8 ?/ Z, ?( h- e% a& z) S]
e+ o8 z$ u" M k4 w5 c) blet k 01 H; I5 x9 G. B
let new1 00 R3 J+ }# N4 o
while [k < people]
1 }$ ~9 p5 E0 C; K" s[
7 u2 g7 u+ k2 o7 M2 ]# ^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)
( e6 P7 I" j4 M( L0 R% @7 r iset k (k + 1)
, ~! W9 d1 R, l' g9 ^]( Q4 B$ P5 x( Y5 p: L
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
^1 r6 n5 Z) R2 A+ L, z% tset global-reputation-list (replace-item j global-reputation-list new)
: ^$ R: \7 ]! R8 M9 G7 Z# J; kset j (j + 1)3 E9 o$ R% p% S. i+ K3 p
]
- r7 l* `# w( lend
7 h6 F3 \( t9 x' L) r3 R/ ?
- t& \: n( `2 H2 Y3 h. U
, `3 X6 e4 p% K2 d) C) t& S& E: ?. m( [( S# v
to get-color/ k9 u1 [$ x% z
) |. i3 ?" m9 w. @
set color blue
! ?/ C! _+ Z. Fend
6 P# [: f' f G# M) }, m
9 G+ ?3 w* b4 rto poll-class2 z$ n7 M. v, R
end
+ s* v& C! X5 M( t, i/ i% @5 a$ |3 V$ h1 |
to setup-plot1
8 ]2 R4 |1 E' y" |6 q" n7 H1 ~; [/ x: @5 m2 i! L. F5 s
set-current-plot "Trends-of-Local-reputation"
" ?- i+ X N3 R: G& Y, U$ ~; G0 k* T! _
set-plot-x-range 0 xmax
" @: |. e2 _8 Z9 {* h( S* _6 ~* I4 a' C% G; `0 w
set-plot-y-range 0.0 ymax
7 W" S- s3 N$ t" D% Oend
4 ?7 B. s! |) ]+ D2 f6 E) @4 o8 X$ J) y
to setup-plot2
: @$ G4 g) r8 b N( v- F; i9 @" x
& Q& e* s. E. R3 q1 {( K6 x: |& Yset-current-plot "Trends-of-global-reputation"
+ G7 H7 V5 H9 t! e) \9 t5 T2 ~
# @6 ~9 A/ A4 r1 W1 Fset-plot-x-range 0 xmax$ Z+ F" j4 j, i& r9 V# m
]" I# Q5 W$ m( N1 P0 |set-plot-y-range 0.0 ymax& u G5 _3 N0 T8 G+ P/ h
end
8 W' s/ b# Q/ c2 D3 a% X1 d
3 \' V; S3 L0 ^to setup-plot3
- Z6 F; f( Z& C& Z; K
, V* y, [! L5 b2 I5 Zset-current-plot "Trends-of-credibility"
% Y5 G$ @; R' J# o- q6 ]1 u8 y
) C" M( M5 ~* N4 ~( iset-plot-x-range 0 xmax
; k$ R% D% R7 P3 Y9 C
+ f. J3 C* [) Oset-plot-y-range 0.0 ymax6 E: R( o$ t0 f' Q
end
4 o" Q4 i& i5 X+ K# j* a H1 _% y( |' }6 O* M
to do-plots* F9 ]' X7 |0 q+ e
set-current-plot "Trends-of-Local-reputation"
- n, X# S2 F7 O6 k y6 V$ vset-current-plot-pen "Honest service"
: X$ J# D+ N) q$ Rend/ S v/ m. Y; l/ ~4 O# V, s
+ U* X$ J8 o4 k# p2 F
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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