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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/ A- r$ f" @; F$ r# l
globals[
: n3 k' T3 @) M7 X0 I0 ixmax
4 o3 z# F l( H l6 w/ f: R# Hymax
; t9 d! x/ ~ x( {! a( Dglobal-reputation-list( @9 f4 @ x) i+ I
9 y. U ~ ?; _$ n7 v2 ?$ g
;;每一个turtle的全局声誉都存在此LIST中! G B! m2 h6 ?/ Z7 t
credibility-list* U2 }' _$ q2 u; ^! V; g1 V
;;每一个turtle的评价可信度2 C$ B: ^( D3 c% T$ k# G
honest-service1 s/ }' n P" \3 Q* _3 Y2 Q/ m
unhonest-service4 y0 m: G; H8 [. f& q3 c
oscillation0 s" Y0 C: r% W0 p- O
rand-dynamic
- v+ \& s7 Q; V0 _5 W( z' K& E]8 ^3 c, w. }6 y o" P: V( z: j
1 C) h d1 t& E* H( F( i1 C! h
turtles-own[$ {7 Y5 q! p. f# B3 ?1 M) y# W
trade-record-all4 W0 L ]* a: {* x! ~3 V
;;a list of lists,由trade-record-one组成
, q' k% _$ Z; m% Q, s1 ~% e2 y) jtrade-record-one2 d$ v9 n0 l# q
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录/ A5 t4 M6 S- Y( V; W; p. M }
8 |3 a0 m8 e; ~4 p6 K ?
;;[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]]4 [: d& U- }6 F9 m- m- K; Q `
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]
9 {/ c2 p/ E8 z2 N! }) acredibility-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
3 \) h) M" s; G/ D; C- G, V$ Gneighbor-total
b% S4 z* j. f: Y% l# };;记录该turtle的邻居节点的数目
8 T/ o+ l+ U F6 h Utrade-time) [: E( p( `( F. x8 G: P
;;当前发生交易的turtle的交易时间; r0 `) j& L9 `/ o- Q$ g/ Z/ V
appraise-give
" x f% T7 e+ F% k+ s" F3 A5 t% A! e: _2 U;;当前发生交易时给出的评价
3 R$ Y3 V4 H# q" E( X* |2 tappraise-receive
$ J% R, L" i# e* |;;当前发生交易时收到的评价
' Y; p* t. Q5 E; g) J+ Zappraise-time
, v8 z/ e% g- S4 x# |$ p0 m;;当前发生交易时的评价时间" n# V, J5 Q8 R0 v9 W
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
5 d& y5 f& j `' U) T! Wtrade-times-total
+ s1 o/ ]* @% O;;与当前turtle的交易总次数
/ s5 i8 B8 g. Itrade-money-total2 m& O" X# W* B) A7 f: H/ U$ ~
;;与当前turtle的交易总金额# {* ~' o7 @) Q' l- R5 @9 L
local-reputation
' a1 M8 x; V5 N- k# g& mglobal-reputation) ]: W3 c3 ]$ X) i8 X
credibility
2 O4 i: W1 _) h9 {- o;;评价可信度,每次交易后都需要更新
4 u2 b7 z( U$ C/ H: Q( [credibility-all
% V A' r% P( \& t C;;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
& ?; P" X6 V- n- S, S" O" w) W- c5 [9 A) x
;;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
* V: h- @' M% B) H2 l! y' mcredibility-one
/ ?/ H/ ~' Y' Q, Y8 p;;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2 e" g: [ u- {) t5 X. y. h
global-proportion
3 P# h- {! Z% m2 V4 e5 k( Ycustomer
( e' j1 _- _" a, p' mcustomer-no: i8 `1 ?0 s% Q8 ?- p- C
trust-ok1 F" P r1 p0 k3 a( m0 X
trade-record-one-len;;trade-record-one的长度0 K9 h) P8 |- z. R* x
]
% t9 \6 j5 u- {0 @: U2 A |7 r9 I+ y, E I' V K! I5 V% W
;;setup procedure
1 D3 g0 {# @4 |2 t! ?2 \/ h; R4 c8 h5 ?7 T0 @
to setup7 v" f$ m/ F3 ~ X! P5 _/ P9 T3 k8 E
& G. E4 J- L4 l2 Dca
: l$ E- u5 V1 [9 J% I5 Z
3 x! o" P9 O" Yinitialize-settings
0 _5 r* ]$ D5 g: X3 x
" C2 G+ ^/ Z. Q& Lcrt people [setup-turtles]
4 X! A' q9 k3 O; x4 H
7 v5 e$ i! I3 X7 ]- P* creset-timer% w5 O% b- F0 \
; o' X# i% z, npoll-class6 M% {- M2 @4 T0 [# ?
/ e5 O( A1 J* d6 g' Z9 O& ysetup-plots
2 p" C9 U( D& |' P q. P
- [. t6 r o2 {" e; E; Y* x5 Edo-plots0 K) v/ b, Y6 t5 f, l
end
2 n9 u6 u# X- Y& q+ \) S- r# e! m0 G# L; G
to initialize-settings+ I3 p% S8 ?$ f! ]8 Y3 y8 m( I
. y2 M' L3 c0 `) T2 `6 X. Yset global-reputation-list []* Q& y X H" q/ v
. w" Q( M- U0 x4 ]& B7 F; s% V2 Dset credibility-list n-values people [0.5]
# r9 s _( N7 N8 u" ~, p$ x. o; K3 M2 R/ j: \. I- V
set honest-service 0
$ X. O. u& K; G8 ~$ G' v l: c& k( _4 j( D% S i
set unhonest-service 07 t( H x1 _0 G8 y8 w6 g0 z/ H& y
) l+ b; z+ z; I h% lset oscillation 0
3 a& U4 E+ r; y/ B, h: Y. O
' T P5 Q, v& m0 L0 K/ B' Hset rand-dynamic 0
2 L4 e% ~$ E( h1 K& E* i5 M6 ^6 o' p5 |end
0 i' h1 Z+ Q; \8 U% i2 G, V9 B+ ?' q# w
to setup-turtles 4 M7 ?) q( i4 r& l# p
set shape "person"# f% {5 Y) Q* o$ N
setxy random-xcor random-ycor$ }% Z4 r6 q% \, i7 K, |0 L
set trade-record-one [] ^8 N9 P% D' v" [
8 Y- g- M+ A- B' C
set trade-record-all n-values people [(list (? + 1) 0 0)]
! w% g+ ^2 w* i5 W# @/ g' a% L: O4 |& v8 W! B* @4 T
set trade-record-current []6 S( R- u! ?2 m, E
set credibility-receive []
; e3 _6 P: F+ ~. x- Rset local-reputation 0.5
( U- @1 e* M" n9 M' x5 Sset neighbor-total 0
; e7 [0 i1 k% w3 k1 Cset trade-times-total 0
( _6 U3 e( Q5 e2 o9 m& O$ v Z2 P0 Xset trade-money-total 0
- n( p5 @! |9 K6 ~! W# a1 Y$ W* Vset customer nobody: \; E; _. Q6 [/ M* O8 _/ c0 s8 j
set credibility-all n-values people [creat-credibility]
; n" ]. x! A2 | ]/ _set credibility n-values people [-1]( ?; j% G$ B* A0 y0 R' S% k, ?6 i
get-color
4 a( b: r& Q: w3 s; [
* ]9 H g! ?/ q2 Aend0 G; | D( f) |- p% r* _. Z
: _# P1 B, w$ i% W
to-report creat-credibility# G9 ^/ l2 b% h4 ~" `5 K
report n-values people [0.5]
, e$ F) J$ I R2 M4 z3 iend& O4 F" c" M( W
: Q( j* H @- F; n; J; q5 Dto setup-plots
5 H& u0 M0 R5 r# I% Z$ Z& T: M$ V; |; P# Y: W" `
set xmax 30
: s' m3 R& ~/ B# Y/ f- `) Y6 Z
' e# { L9 a: ^7 M, y% P! gset ymax 1.08 ?8 K G1 V2 ^' x/ P; B
7 t1 T7 J% B) t' u' l5 Xclear-all-plots6 X$ ^0 v- ~/ U1 g0 V' Q
5 j4 J$ K+ I$ o# q3 z2 a$ Vsetup-plot1; Z1 ~1 |' F# r6 R/ x, |
6 j3 r* A! l' Z( b9 _5 z& A7 p( C; S
setup-plot2
5 y+ L: \' ^$ Y
4 R0 `/ K; A6 g9 |9 O- W; jsetup-plot3* q0 A- m7 G/ o8 m4 q# }$ _4 t5 X
end; m, v% @# }, n" f
; o# |$ w$ f# g" G
;;run time procedures
5 G0 ^5 u& C; B9 r
3 e5 a# ~$ s- {; ~to go) \/ I6 v& q; n0 L9 Z
6 K1 `, I; G/ [# X
ask turtles [do-business]
5 O( t. L, D5 R2 t1 Fend
" r4 n2 C3 j" ]+ d5 H/ g# V
$ k3 J( ^# v* Pto do-business
& X' i) o4 ]1 Z* W" ]4 y. D5 K0 H0 ?- ~6 q2 D" p
3 Q1 ?. U5 O* Art random 360
% |, x. r5 x Q, Y4 @( z$ b' K3 }
fd 1+ r d6 S- V" T) X8 E
7 |. J' W3 \) @9 V4 xifelse(other turtles-here != nobody)[4 G5 z5 i1 f, J% T1 ~8 N
6 _: Z$ B) c5 Y1 F, hset customer one-of other turtles-here% L% C& _2 m. h: {: r0 e
( f% j2 X G- z. x2 u7 n
;; set [customer] of customer myself, I4 E# m; M- W% H
7 x( J) n; p$ Q
set [trade-record-one] of self item (([who] of customer) - 1)
! N& ]# N/ W; F0 Q4 c$ }[trade-record-all]of self, l( W* o7 @& ?7 t% M, {
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self& L. Z; |9 J2 ?5 W
" L& o6 r; ~8 Q4 G' Eset [trade-record-one] of customer item (([who] of self) - 1): u' s x; M3 T( r% B5 N
[trade-record-all]of customer
' {& T: D3 G0 `- p
' t+ \/ @8 N! ~1 Vset [trade-record-one-len] of self length [trade-record-one] of self
) u, h ^! V( \) R! h- x
/ I; B( t" m7 D) }set trade-record-current( list (timer) (random money-upper-limit))# v. t% _( Z8 Z9 f; ^
: N; {/ G+ W+ n& p4 S- x5 b
ask self [do-trust]
_' i. j, H, n! C* [7 }; D;;先求i对j的信任度7 F9 r# Y2 B) ?9 b+ `
( z8 \( Z; o& h* _if ([trust-ok] of self)
/ i( W1 h/ _" t. m, y/ ^;;根据i对j的信任度来决定是否与j进行交易[
, f( Z5 a8 V8 R. ?ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself% y/ V- w! f9 n7 Z3 G5 c
' e. d( y" x' [( `[
. b; R, l% f- O) I- q, E& ]) T+ d6 b& D7 h6 e _$ \
do-trade
: s! r% O l$ F+ x2 Q: \' E4 y, R/ a9 a* Z: J4 c' w0 y
update-credibility-ijl2 V3 [ S, @- Y i
' `: Q* W2 m+ G) Q
update-credibility-list
$ G$ e. x6 u0 t/ N/ N, G0 ~/ f4 R* x1 N: V; x% H
9 z5 ~/ v8 d4 a% N7 H( j( L* jupdate-global-reputation-list
( n) m% _) b3 O/ F7 H7 L, V5 ^, F& m1 y7 Z* A. r6 `0 Q
poll-class7 ~$ p r+ s, _ `7 v3 o+ G
$ i( |* I+ `# `- oget-color! H) Z7 @$ ~' o' B4 a# _
: r' r3 ~/ p% E, x" ]( C
]]* ?, w* {# }7 H, Z! {
; h/ H+ |7 a/ E/ r2 }+ E5 G5 r
;;如果所得的信任度满足条件,则进行交易$ R7 k; H8 M4 ^4 b1 g
$ C/ _. o b0 p& F
[
5 W% x% Y% C" z% I
8 D1 |; n7 U% o2 Krt random 360' K9 l. n7 ?/ E$ H" f" C* q- T
+ i1 q1 d E8 T7 F$ D$ B S5 G; C
fd 1
! ]3 Y; ^2 ~2 |- {' i! G, l6 w. g+ v
]; e- M7 m& N7 e" |
1 I7 |$ _7 l' }' wend
/ i6 p- d- Z, d0 E6 r8 c. U9 A3 u
to do-trust . l4 r2 d @, t% }' O1 l
set trust-ok False% r* I* l5 h/ N8 R5 z% n5 M+ y
; l( U. ^, s. \
- z3 G, K! S8 Q# k% ^( Flet max-trade-times 0% q0 C5 C9 V, ]5 B( L( Q g
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
! C2 V2 i5 Y# t. @; Q; f9 alet max-trade-money 0
/ ~; N0 o$ f. ?/ H% y9 oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
" A7 R! D9 a7 T" Elet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))5 G0 G# m3 e. } t" g
7 v- i! f+ [9 {* l9 I6 y- M
6 l, V- E& P( F: Wget-global-proportion2 j3 {# [1 f/ r. o
let trust-value6 c! N$ j- }' m* X* F9 S
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)
- A+ d7 S2 M' Z l" N& T" qif(trust-value > trade-trust-value)
( z: w5 l3 I: x- ][set trust-ok true]9 j" C$ M9 N+ r: `
end V4 e! V6 o% e+ {* M% _
5 H( ?/ x: m2 X | C; k6 ^% `/ @0 Y
to get-global-proportion5 Q* x8 A7 I( g' [2 T
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)3 z3 \. W1 H }' U( X
[set global-proportion 0]( Q- m- I7 I0 \ `
[let i 0
+ C! ^% B& M( F/ s- dlet sum-money 0
9 u$ \! _3 V. N$ D a0 `$ [while[ i < people]/ j0 p" a) u1 t4 a
[
# l* B* P) E0 |, F4 q. Cif( length (item i
, i K2 a# l% ?3 u1 l8 ~[trade-record-all] of customer) > 3 )
9 c, A& D2 I, N% b[2 \! K8 x# u; {
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
4 W/ z- Q# J- A5 O. l]
% I0 p% ^/ D! C# _]* n& ]- s% Z' A3 S k2 \+ z
let j 00 y" M/ l; O- Y3 G4 b/ I {0 `
let note 0( p6 F& A" G% e1 c/ y h3 X& S
while[ j < people]+ |! H3 U# ?# ?9 H6 _
[
n7 w' o0 I* M3 k) {2 ~4 \if( length (item i
" r! c7 ]) F" y9 p9 ]' g0 W5 F9 b[trade-record-all] of customer) > 3 )0 t8 R7 M1 x% [2 ^; t8 [. U" n+ R
[
! Y! R* G& Q& B1 lifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)8 x5 }+ r5 i# G: @+ N# o% X |; P
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
! P1 V# W' }' h# E[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]/ M. s/ r2 u2 K& M% j
]$ N1 w& R3 q9 }7 R
]
) U. V. j" a# k. X+ D' Aset global-proportion note
1 n7 C6 G; v. F) G. R* n. \& m$ w8 m]5 y2 t( H r& S& _7 E& w. J
end+ N! ^ a1 X; n5 k( `
* J1 m" ]! n3 y& m- t i8 lto do-trade) U3 c9 m- f* [( ?# T" M/ H$ ^
;;这个过程实际上是给双方作出评价的过程
6 y3 ~# M: C4 ]% Aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价6 P* |* `1 k( i+ z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
! p3 V; q L B3 bset trade-record-current lput(timer) trade-record-current2 J/ i6 U$ U* |: V1 Z% N
;;评价时间, |( I4 q5 G6 Y
ask myself [4 h1 P+ r. k; j* C: ~# w/ I
update-local-reputation( P- i1 J- m0 R6 {* c" S
set trade-record-current lput([local-reputation] of myself) trade-record-current% H; M0 B# L0 p; D
]
6 ~* k2 Z8 i+ R3 Qset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
& o0 S9 `8 {* [8 l;;将此次交易的记录加入到trade-record-one中
/ f5 H3 Z B( ?; M9 f# z: Z: Fset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
& o" \0 p5 @ |& c& klet note (item 2 trade-record-current )3 H* D6 ?$ x$ |. \6 C
set trade-record-current# w1 h7 x2 F( W* n
(replace-item 2 trade-record-current (item 3 trade-record-current))
! g4 Z% \& \( |% n8 Z1 y2 Uset trade-record-current! J3 p* o% F* H- X4 Z n
(replace-item 3 trade-record-current note), {6 b& s! X( p* }3 C! c
[* B) l5 v* M# ?$ }
' Z. h! I" L: N3 Bask customer [# [# s) {( @0 i' C' G3 x+ l5 T
update-local-reputation
1 L$ X# D$ q1 hset trade-record-current
# F: x/ u. t/ Z(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
' o; N; k' }7 N$ k8 D: [, V]; \9 h% F( G% b2 {
& c, \8 f0 n4 V# ]3 {9 J! `6 [
( K7 d" ?+ ?# F3 i# W. Vset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
1 Y" |8 d4 }7 A; F' `5 [" f C( O: P. Q3 \, @) {( }3 q3 a+ C9 f
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
+ Q7 O! y# N: x& O4 u. h- @0 ^;;将此次交易的记录加入到customer的trade-record-all中7 k7 M) @; R/ A- a
end
. f$ t+ i" s: E6 [3 y: y8 P" ^: _7 L! B2 h% \$ j6 {% Z6 `* c" y
to update-local-reputation
6 ^0 G' a" s$ jset [trade-record-one-len] of myself length [trade-record-one] of myself) Y0 Y9 x3 \$ V' R
, H# g8 J& f+ A5 V- ~
- N# j; Y/ y9 s& w
;;if [trade-record-one-len] of myself > 3
! y5 D8 B8 u* U/ G* {4 r. Iupdate-neighbor-total9 `" h. }. x- {, n+ y! _
;;更新邻居节点的数目,在此进行
, T2 \" D. g7 V8 o7 L; g, R F0 g8 a7 clet i 3
" E8 y2 n0 O+ Q( K6 @& J/ Zlet sum-time 0
0 r/ O/ n7 b0 y$ p8 \& xwhile[i < [trade-record-one-len] of myself]7 v9 T3 Y- M% S. n) E
[
1 ^, u1 x( _& D5 b8 [5 {: {set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )1 j" w/ q# |0 G4 ]$ Y" \
set i% @7 l' |9 y3 p D! i
( i + 1)
& ~* z7 }( }& C3 n$ x) m6 I. f]
$ V( c1 M* ^1 v. k5 G$ x! U) jlet j 35 X" ?3 K- |5 i( J
let sum-money 0
0 O/ |$ ` H) \3 \while[j < [trade-record-one-len] of myself]+ A# x. Z# `# _! ?8 a: }
[8 G+ s8 E6 e8 G
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)
% b K! M6 d# a1 l5 |set j. \. E0 _/ U* M- n) ?
( j + 1)* s( g4 ?) L& ?6 J( n5 f
]
$ s; J# K6 Z: ? f0 z" K) m6 Ulet k 3
0 ?* l/ x- w: l( D/ b5 c5 l# Zlet power 0
& I, l: _& w# R& s3 c) P/ }2 plet local 0
% [. H9 Y6 q/ a$ }/ s& Xwhile [k <[trade-record-one-len] of myself]& G' O+ ~0 M% @' L
[
( F: C$ n: `; {* uset 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)
( H' ]3 Z' d+ E6 dset k (k + 1)0 ]2 y9 Y- ^- [2 T$ u, g1 Q2 P
]
6 k. q3 X, `, T6 Hset [local-reputation] of myself (local)
. D# S8 j7 e! P D* o1 [. `% a4 w+ Rend
7 c7 T; T, R$ l2 X! b8 _6 @; y0 K+ w* p+ U2 _
to update-neighbor-total
# Z' f! x$ x' E8 _% h- O4 t; X# T# b( S6 R
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
3 B0 E4 T0 M/ \- }4 Z$ O' W% |2 |0 R" o6 T0 ?
( _2 E2 M) g N' `- Dend6 C. {+ t# z+ _; O$ J
& `" C' i- p: k0 Q& H/ u7 Ato update-credibility-ijl
9 r$ R5 T" i& Y3 l! {- W7 K: N2 |
9 k# [+ d3 {0 `' n/ ]5 ~0 v' `0 x;;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。9 o0 I) a) i0 |! @
let l 0
/ l9 c" X0 \: b" ?/ ~6 s3 R- U: ?4 Cwhile[ l < people ]1 y! l. v! g( @: j; A
;;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
) e {/ T; w' l5 C, K[
0 v8 d! J* |) i; p4 M$ I& clet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 N# `: w3 v: z0 e# m4 Y9 [if (trade-record-one-j-l-len > 3)* H- ]2 T ?8 z) B
[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- B" S( ^* b) c6 X
let i 3
3 Y$ W* q# k: O( rlet sum-time 0
% x# m% S+ E& y' Kwhile[i < trade-record-one-len]; \0 n! u8 \ v5 w
[8 q3 t9 I) k8 O
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- f3 B% C" Y2 T- d
set i
2 ^) g6 L# M3 H1 s5 [, s+ x( i + 1)
6 z0 I O0 f9 u/ K0 q1 c8 |% y]
7 F& I6 a7 a( ilet credibility-i-j-l 0( _+ ?7 o5 z2 E6 `* _# {3 ?
;;i评价(j对jl的评价)3 c, n3 F. m7 O, h, \0 d" p
let j 3/ C9 F M3 d( u T9 k7 Y* `
let k 4
1 S3 [/ h/ b- nwhile[j < trade-record-one-len]: Y2 Z! Q# I' @
[
) n/ g3 ?7 d$ D. C+ J; U& Bwhile [((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& ~& W7 }. l0 f
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)
* b. s/ u" z4 H/ ?( L' J" |4 h6 uset j
9 Y) }& x/ M/ @' @( j + 1)- `& A& v ?2 b; k' Z, ]
]4 d' r, r4 S' ]. u3 b
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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 P: `0 t* k; [9 ~& Q( Y: k;;及时更新i对l的评价质量的评价& p& o. U0 @, A, X R' M! h0 S/ v
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
$ c3 U8 g4 z) T, lset l (l + 1)
- r" r5 S4 I; H; h/ |]! n8 _/ O8 v9 Q* {/ ?6 }6 O; E
end7 z) ] E4 L P, v
0 t, D5 [7 M& ]5 n( g5 n$ Fto update-credibility-list
9 W: ~0 R" x( G' _9 blet i 0* r+ y7 d, ]' P5 N! v
while[i < people]
6 H* M! }* e$ L7 B) T* D[3 k% v; [3 B. \- D
let j 0! |+ y; O( N% @/ p9 Z+ @2 G
let note 00 V5 {3 j* S( n6 o" T8 k c
let k 0
( r9 H6 U% t" ^ P;;计作出过评价的邻居节点的数目
( L; d0 O# n$ \: _, Qwhile[j < people]
9 u1 w, ^# K0 K9 P# e6 O[/ ^& z3 O% Z& D
if (item j( [credibility] of turtle (i + 1)) != -1)
7 i. u( Q: }0 d% g+ j9 @5 H;;判断是否给本turtle的评价质量做出过评价的节点, L/ g& B1 j, U' x
[set note (note + item j ([credibility]of turtle (i + 1)))* Z+ ~8 J) e7 [$ g& J+ z& K* M5 M) I4 B# C
;;*(exp (-(people - 2)))/(people - 2))]; n/ m, v# j& `/ S1 N. f$ K
set k (k + 1)
% L& m( w3 j4 D4 H8 ]& @]/ z% B' W( U# g
set j (j + 1)
4 x3 F2 K: |9 u! }# ]7 b4 V, A]
% ?+ J, [" M5 G0 j" C) oset note (note *(exp (- (1 / k)))/ k)+ d) k( Y, X1 }" A! { m7 U; D
set credibility-list (replace-item i credibility-list note)" T1 I' Z* z6 G1 N2 c* Z
set i (i + 1)
: M7 H" Z% {6 V& I) k! \]
) J$ ?' o3 i2 i. B P# F" ^end$ Q1 |: [6 F+ e. p( V2 F7 D
9 J" A. X# B4 I- p, B( Pto update-global-reputation-list( I. B5 F4 _4 S( ?7 q7 `/ x
let j 01 p1 {$ {: ]% m& k2 G! }
while[j < people]
+ y, {+ C: m: U" Z4 b[
3 C5 E* ^6 s) m3 r0 |let new 0
: g; d* e( u& l/ c& B;;暂存新的一个全局声誉
8 b8 N$ F6 Q/ V, s# l7 L, Hlet i 0, S0 H$ b3 h# a, u9 ?; J7 Z& Y
let sum-money 0% w0 ]' J& i2 e
let credibility-money 0
- k$ F! D# p% A/ ]+ [+ T% \$ Z* N; Vwhile [i < people]
* W1 E$ o4 |: ~9 i; ?& a4 m[
2 N5 }1 N3 I5 g7 J3 f: a& s1 qset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))# B; Z- J$ g* ^0 v
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 X1 i( s7 b; K7 J, i3 J
set i (i + 1)
3 s2 b: A; e: c* j; [], Y$ Z* L$ Q. t0 K- K
let k 0
+ @; R% Q$ A! t! slet new1 0
) M7 ~) c$ A, S8 Fwhile [k < people]5 X+ y& k4 y. C6 ^+ v! U1 ^" H
[) u$ F& P) ~/ s; v9 D& n
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)
/ t$ W G" T8 u& G; Z& Mset k (k + 1)
9 B' w/ M& m9 J9 t]2 D4 S. ?/ l4 a' g
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) # X5 y4 C6 P8 [0 {5 o- ^7 f
set global-reputation-list (replace-item j global-reputation-list new)
6 H9 D9 U7 k1 _* S4 q" rset j (j + 1)
# a( ]- X& n# n( p6 T- ~% A]
1 z; E- B- q3 R0 W3 tend
. U; u. u$ m7 m; u
6 T( |8 r& X- W) z0 f9 G* u: Z
3 s( T9 { ^# w+ o; n
4 I: I1 ~$ ], B8 q# Eto get-color6 }! A( \) m, Q6 X! w3 i
5 d" _, g( Y" L* s& ]3 @set color blue
5 W/ ]! @! {) U3 Y# |8 @end, X1 q; J) }& i$ t4 B$ f
/ Y7 A( _9 Q' V. K( |6 g: j5 ^$ I
to poll-class2 I: B$ X# O- j o# w/ k
end6 c# d5 @$ t8 r" c5 s( m0 \
: q. s7 D# N! N
to setup-plot1
. @- m m# c" m* o$ O
" I! t7 K: H( V+ ?set-current-plot "Trends-of-Local-reputation", V( \- G, R5 `. n1 Q! ?
8 [+ e# t% \. g+ F# Q* u9 ~, m
set-plot-x-range 0 xmax
: d& \- E. u. V! M5 K. b# b7 m
set-plot-y-range 0.0 ymax
9 q; \ F( s/ U+ a' O" O: j# @end
$ ?" V. a8 M" [; [2 [( z }8 L7 p" |, E6 p: F7 v7 J
to setup-plot2" R$ T; o( A# Z7 I- r
3 `2 [/ B( q: y9 S% O9 _( |* _4 ?, O
set-current-plot "Trends-of-global-reputation"0 ~8 z, @, d8 [1 H. y; a
?/ g0 E, t$ n* O9 J
set-plot-x-range 0 xmax$ D( B/ r0 p& H' d/ D8 D
1 e) U" x1 R8 L4 c4 S" A( Eset-plot-y-range 0.0 ymax
' B, `. C+ n' pend
. j7 @, K& w7 h: @: `; T9 l
3 I, u0 @: Z* I% r1 ?1 D) t% fto setup-plot33 C# Y# @! }7 S
Z- k* F" z0 V. G6 o1 q, G2 t0 Jset-current-plot "Trends-of-credibility"
! q& D' \7 m4 q( Y9 M" f8 k; `9 L v* X5 A
set-plot-x-range 0 xmax
) }" N, s* [ ?) h9 ]5 V* B5 P8 v+ Q, M9 `! M$ o& v
set-plot-y-range 0.0 ymax
6 K, @- m- u5 B" \* {end8 O- S3 F! j; J0 e
- c% _" x! B# e# m( f* |6 J
to do-plots
# o0 X+ j0 [+ _set-current-plot "Trends-of-Local-reputation"
8 H5 y; K: C8 F3 Yset-current-plot-pen "Honest service"" {% _# ]+ N$ w& k$ L# r% \' L; n
end3 P1 _5 K$ e: W) {- h
! ~! W. p7 y5 G, W' ` K[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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