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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/ a2 h! m8 s8 }) t/ R0 I
globals[
+ L; T5 U5 n; _* L9 V$ Sxmax
% h0 p- V1 }9 v# cymax
4 S+ W* [* {# ]$ D2 _global-reputation-list8 S% r3 V6 q! P5 V, f1 h/ [4 I+ R
- B1 i: s6 p# f! `7 Y7 q;;每一个turtle的全局声誉都存在此LIST中. Z* h4 G. F: i1 a. a% m% _6 H |
credibility-list$ R. s- J4 J3 B( L
;;每一个turtle的评价可信度 u( F* l. ]! E6 R& P5 c
honest-service# W d1 Q# M7 T
unhonest-service# Z7 U: b U$ |0 h2 X, Q/ Z. m
oscillation
6 H3 S2 r9 D% u( o& ]rand-dynamic) n' y* P! |* b b" G1 F6 N2 u, J
]
. O7 ]5 I3 C; e: n/ ^$ K2 _* n, [) x
turtles-own[# p1 ?8 K! u& s. f% j7 m8 u) E" y
trade-record-all/ E1 ~* u9 J& K' ]) F$ g* G3 @. R
;;a list of lists,由trade-record-one组成
7 I( ]- Z9 u. a9 u- Ktrade-record-one
$ ~* ~$ G: n, H* `4 u- g" @, O& w0 ?;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
, F, u/ P* x/ }# \) \0 ^3 A9 W
) l$ I W3 G$ Z2 ~;;[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]]
. e# t5 ^' u \& j8 Y" htrade-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 s7 D6 v, v# n. u* n- a
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
+ }+ Y, d- w8 o& i: F Bneighbor-total$ A; |2 K- V, b3 q# M/ h
;;记录该turtle的邻居节点的数目
4 I- I! _! Y _1 f5 W/ T2 y3 Atrade-time
& }( z8 s. g) J+ ?9 l;;当前发生交易的turtle的交易时间
5 i0 { A3 f" I' P% c/ gappraise-give
" e: k9 m4 Q8 ]6 L- Z) s;;当前发生交易时给出的评价( p2 c2 T8 x* X" Z( `
appraise-receive0 v! P+ A, m O
;;当前发生交易时收到的评价0 t5 \6 J* Q2 E% a! J; \7 p5 h
appraise-time
; O1 J) _* X( \;;当前发生交易时的评价时间% Z* e0 T& W0 K8 Q* c
local-reputation-now;;此次交易后相对于对方turtle的局部声誉" K- k( J# b k" R# J
trade-times-total
/ ^ {2 O2 Z# @ z' W$ x, ~;;与当前turtle的交易总次数4 l$ E1 s3 N2 W
trade-money-total F- Q4 `, X d4 K( a1 J: L' \
;;与当前turtle的交易总金额6 ]" S* W6 w& w E5 t2 S* [+ ?
local-reputation
5 u4 B6 E: Q4 M) q# r1 V) ^5 Eglobal-reputation' f2 M& E7 a! j* q5 n8 I9 h2 x
credibility. p( w( q7 Y, G+ q9 g
;;评价可信度,每次交易后都需要更新/ _: e2 Z3 S, n- v7 `
credibility-all+ _2 b' g4 v. u3 s1 f
;;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
2 B0 I. X( H7 V- { Z% l( B# g$ B
5 C2 M5 b6 l0 l( x$ z;;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 X' S" N" O, t! C& I0 d( E4 E+ ~credibility-one: {) `& l h# m) y
;;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 O& C5 `! r0 Nglobal-proportion7 O% Y4 N1 b1 J2 J/ I6 x$ @
customer2 \3 e4 \1 k. U c4 k
customer-no
1 V- z, h l) S0 W+ c6 o/ N- `trust-ok- L3 W% o/ ~4 r
trade-record-one-len;;trade-record-one的长度
5 M/ A! S Z" z( S! ] ~7 } _]+ T1 _! _% x: Z M+ h6 T6 Y
) o; }/ _# w& |: r( l% c
;;setup procedure
4 D/ G$ z& J: m g0 i! P0 q
4 p4 k# S0 [- d& ito setup
, S' P+ u- H/ e1 X/ R: q* a; v6 ^# m7 E0 F4 z8 @
ca
9 A/ Y- }. y/ A" k& ]; [* L; H8 t; R/ K6 C6 [
initialize-settings/ `1 M/ ]2 k; V0 O4 R% p. ?! P
$ Y' w, @3 N% q
crt people [setup-turtles]
/ Z4 e4 n: Z2 r# l( k6 @5 O) _" ]0 R
reset-timer
, Z6 \7 b5 e4 N* X" m* H" |7 }7 M" `, n; Q5 Z( j! L
poll-class
& | y, [* b3 w, O8 P' N" Z) _6 |% n6 B m
setup-plots# C& Y) l" F' a5 t; M
+ ] i, n0 ^5 o+ L2 l
do-plots
; b! }; S7 W" k2 [1 Q" a& P6 Kend
4 k. {5 D. q* v# S
, c% m8 M6 d# x. l$ fto initialize-settings
0 P6 f7 c8 Z0 U. p0 _
/ z! J: w6 o3 \# U3 L9 i$ f( sset global-reputation-list []/ |( o1 N) b3 E' d' e6 Q
" g8 E. Y5 u( E2 {
set credibility-list n-values people [0.5]- y; ]. Z, `2 q, Y
! c4 g% i& v; V: P/ h
set honest-service 0
3 r0 o" U% `9 ~! s- x( d
& J$ Q- }( ~# {" h G: S6 ]set unhonest-service 0
. F1 E7 W; }" ^, @ N. Z3 B& z0 Y% ]. z _# R5 ~, N0 N
set oscillation 0
: j& u' {# B' S6 r" U
4 [7 i' s& c/ h5 @set rand-dynamic 0& Z7 v7 o, R. i l
end+ t- r0 e& | Z0 L
3 ^, L E* |! J2 K; P) s
to setup-turtles
+ v$ y! ^. X6 oset shape "person"7 E" h+ q5 z6 n8 N+ y5 L8 u
setxy random-xcor random-ycor
; |1 i4 U5 P9 o, p/ Q xset trade-record-one []
( v. a2 Z) @% b1 s; {6 s. | ?; y1 [- U
set trade-record-all n-values people [(list (? + 1) 0 0)] " w0 `. E J. Z3 s, I
; R2 n9 }7 a6 N) Q$ pset trade-record-current []
4 Y4 b; R3 n: aset credibility-receive []
4 Z% N7 M5 P' C" H9 Aset local-reputation 0.50 [4 s1 `0 f7 S8 x9 ?
set neighbor-total 0
$ r# z* O6 @3 F+ Z, Rset trade-times-total 0
7 c) e6 F6 s8 b$ H ?3 R0 s0 Sset trade-money-total 0
2 }) e6 \5 ?* }9 u+ O! n, x4 fset customer nobody
1 j: Z! {" ^* U1 p5 B3 [7 oset credibility-all n-values people [creat-credibility]
& \) I8 e" }% Dset credibility n-values people [-1]! `" p; y, D* K& p
get-color* D0 b& v, W; r: F1 L8 N$ z
. I' i X) H. y! z) |
end
2 z, v2 A, v5 k1 i: y% K$ \8 P, [, o& d" b2 n9 b. d
to-report creat-credibility
4 r' N' I! _ `0 u- s' `5 J4 ^ Z$ Rreport n-values people [0.5]7 L: b; ~0 D8 p. a; m4 J
end6 t! e# |/ S4 T5 E S
- r) Y/ m( ^7 g d$ J R- f* [8 mto setup-plots
3 E' ]* |2 U% d" |' X+ C
6 p3 P7 ^8 {! R0 |$ p3 I' jset xmax 30
( B% u6 G! y a' m8 k+ w
% L. u" ?2 M5 E3 R+ m8 _. M" Z1 Dset ymax 1.0
/ I2 ]9 P; f% Q* R r. Y
3 T- z" ^) k, Z& n4 d( ]clear-all-plots
. r- c2 o w$ s0 y. U0 N- v8 r9 s- B1 ]( B
setup-plot1
/ o4 }- L2 s, j2 ] `7 b& R/ G4 v6 n8 T6 I$ L* e' N6 A$ U. w" f
setup-plot2) i* Y! X' X8 q; L! p% l
( K# c* q- a3 R! T* q- msetup-plot3
; W& D2 ?" f# L1 R) Mend
. _ C1 i% J* v& N
. k5 @$ E& e- a. ^9 s; r0 u+ C$ c;;run time procedures) G6 }) y3 V+ `
3 Z4 X& U0 N+ l$ ito go9 M' h3 ~8 n' w: o: ^
* S" B" L, t- Cask turtles [do-business]6 H' o2 ]. S, D T" v
end/ f. ]/ M: Z$ ^2 P6 {; ^
5 ]$ {0 i; Y2 L$ Sto do-business
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( h# S1 y' y5 x
5 c8 F( P+ h% J" Xrt random 3607 e2 f* f9 C* I% Y' r( V
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fd 1" d, [! r* |! o3 N' V+ X8 |
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here# \/ _4 ~5 a. j: k/ F, \
( ^6 O8 r- D2 w3 t
;; set [customer] of customer myself: ^( h; D1 x0 ~) \' O
$ ]) U3 }8 X; x$ R
set [trade-record-one] of self item (([who] of customer) - 1)& q% z: I: R+ Y8 l! g
[trade-record-all]of self
* w3 ?) r. [2 |* K' ?; m# p6 n2 k;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self. a: o2 ^* l, S! o
0 ^0 `& E2 P, v$ ?! b( K9 ]set [trade-record-one] of customer item (([who] of self) - 1)8 g' K% L: Y0 l) x
[trade-record-all]of customer
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: R0 A! F& q/ o, L* f( y( a7 Mset [trade-record-one-len] of self length [trade-record-one] of self
9 |* u, `- L% Z# o6 Q) h
0 p9 ?: y R8 W( Rset trade-record-current( list (timer) (random money-upper-limit))
4 B6 y+ n/ B# T5 [" \
8 N; w. S0 V# ~ask self [do-trust]! {# H/ M5 z4 M9 N3 _( ~( b
;;先求i对j的信任度
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if ([trust-ok] of self)3 L N* N3 O( _/ h+ p
;;根据i对j的信任度来决定是否与j进行交易[6 i j& q' o8 L8 T& k
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself: @1 P2 o$ z- C2 N- }% I) q; {/ P
3 r) m+ P a* ~( [- s[6 H! L2 V( C7 C
+ o O7 B7 X/ x. ^, v2 Ydo-trade; z4 y8 W% n! Y; H1 q1 Y! s
- I; d' C% r+ b# p% q/ Z
update-credibility-ijl9 g6 e6 \- Q5 \/ f" w, |0 q' A! L
3 y( Q0 }5 e- g( R1 Lupdate-credibility-list3 V7 R& d7 F/ d1 h
/ l8 p3 W* J; i1 [
; \: j1 [; B; ]
update-global-reputation-list" v* w4 i: D$ N1 P" I E+ C% d. h5 @) t3 b4 H
2 W6 ^6 P& x7 ]* y0 Ppoll-class9 [3 E. |# N4 w; j) p5 w
" E1 ?! l- w+ F, B! l" w% a' S
get-color+ I( U0 ^7 v$ @+ X0 B* ~0 B
1 H% P# {0 \. O' [, C( Y) k& a. }$ V]]1 d: p, i( H) |' s0 |$ K9 _
! @( B2 _6 E W8 r3 v
;;如果所得的信任度满足条件,则进行交易! O+ a* v, ]) c5 n, A4 ~9 d; J% o7 D
- p$ m; l# s9 M2 x
[
9 G, n" g, e E" C+ L; w% U; c% [3 t3 ?0 Y8 y1 E) @
rt random 360) W& y' Y8 `$ o+ N2 P: {6 H1 s
0 C) _: e! M. Zfd 1$ j( H- u/ U% u" j$ g1 E: n _$ R
+ j |+ A8 R, g6 V6 g/ g: Q: Q$ `]
3 h5 c4 R" s- ]; N1 ^
, _$ D- s1 \9 i4 I3 B. mend( h6 B) E; @& s2 o. j- H+ _
3 z3 n* D+ s& q+ r
to do-trust
# ~9 k: x7 `$ r( o5 d& Z% Wset trust-ok False: E+ Y0 C3 j& `! L8 ~
' o/ X$ `6 P( A+ w- Y5 {0 ]8 K, e I! i3 c f; L
let max-trade-times 07 l) I" J! a" O) y( k3 _% U
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]+ e" t2 W/ F' _4 Z. Z% t7 Q
let max-trade-money 0
" B) r/ ~6 M- k$ q5 hforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 E) _/ ^2 A8 z! P; |4 \) E
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
' A6 o( z( x# V- t2 h" z4 h2 s+ Y
0 s, t9 B0 Y! Y S# `9 cget-global-proportion( t; n8 F3 H! b- s6 U
let trust-value
( Y& v! Q& i, V( {( O- n4 [ v6 p5 olocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
9 |$ m% ~, z. _) ~9 Bif(trust-value > trade-trust-value)
, V( g6 O# i) w7 W! ]/ B1 Q[set trust-ok true]
/ ]! [2 t, D" P% p, ?# bend
3 S+ e5 A3 H5 W$ H5 H
7 ?! L. B$ W- Z z5 D) w1 Gto get-global-proportion
3 W$ W" t: H5 G% ?8 K0 Iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 t$ {0 F. _+ C( ~" ~5 i Y[set global-proportion 0]: k. \ q$ ~0 u! q" u& a! E( ~
[let i 0
7 u4 d: I. ]+ M/ [let sum-money 0$ C$ n4 h# e* {5 s0 p2 {/ q5 _
while[ i < people]: {- c& r! G* M1 C
[$ b0 v7 u) U! P/ T9 C
if( length (item i6 n4 P% p$ V7 O9 E) M
[trade-record-all] of customer) > 3 )
% j9 x. `9 G% p( r- \9 E[
9 N, J# \+ a& sset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
3 k5 X0 i2 s+ r8 v]
/ R7 l8 d2 _2 M]% _, ]) t( [1 b* E1 J( i# ^ `, Y
let j 00 o- S' d( ^" _# t. ~# p
let note 08 d [6 O" H% J6 W1 V% Z/ h
while[ j < people]
, @- C1 x7 t1 z" T0 Z4 h# q5 u3 \[# h/ ]' u! @" F( ]
if( length (item i; M0 m' K- L# Q4 ?- g* x M
[trade-record-all] of customer) > 3 )# M. u' ^1 W( P7 t; w
[
' H* |2 b+ D+ f' t5 tifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)' c+ R3 Q$ `; ?- ~
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
- H( h# p4 o1 R7 @0 Q& m- A& ^[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
7 w+ _7 ~- K! Y7 D: a]
/ d/ P% J2 H; V' Y]
5 `; {) j4 t" Z. r9 s7 Bset global-proportion note
! ^( F9 ]# ~1 p+ H]3 r" b8 ]) j- [4 B {3 r
end
1 {$ P; g `/ R/ m: L( V, S/ K' h- b0 F2 V
to do-trade
7 ]% v" |/ _1 T;;这个过程实际上是给双方作出评价的过程# `8 r9 q7 v! E7 |2 F
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价/ |) z3 ~, K C! m# Y# v
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价& R$ ]/ K. O0 \; J5 ~! u
set trade-record-current lput(timer) trade-record-current
: J; e2 l5 d( @+ x( U4 m;;评价时间
, V H) S' j! _' w$ ~ask myself [
$ y5 K1 L4 `! Y/ J. Wupdate-local-reputation+ o: E8 Q& P# q4 }2 {5 f" d
set trade-record-current lput([local-reputation] of myself) trade-record-current
, o7 M9 m7 ?& L4 |], J7 L6 w7 L* M7 z/ R
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself6 X0 M9 u( t2 K+ N9 O3 b+ _; G" }) P
;;将此次交易的记录加入到trade-record-one中
" d c2 o& y* L3 o, kset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
2 O. n, C+ @8 a0 z! d0 C. R% flet note (item 2 trade-record-current ) V7 r' E" V+ K* F2 l
set trade-record-current7 J& V/ D# S z3 m
(replace-item 2 trade-record-current (item 3 trade-record-current))- i7 t! [, e" h
set trade-record-current
- `0 P. c+ [3 v$ z4 N0 w- m(replace-item 3 trade-record-current note)5 T. \0 j3 S6 S- E. {8 _0 Y
$ f, G" j' D) k0 K
9 e' W9 i4 |% B$ oask customer [8 e6 I7 ~' [9 F; L4 ^* v* i
update-local-reputation) l- f0 N$ a# x5 L. E7 t
set trade-record-current/ k' U+ i& J* b# X& V, {4 U
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
, h6 V3 e; L4 n4 f( i) o @]
+ X ?! p: B" }, V" W$ B/ z2 s/ d& C4 e0 Y2 b& {
+ j; W6 Q" k9 }: tset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
9 h8 T' v2 _+ D) l1 r5 q8 M! K1 M! w+ l' U$ C2 A# U+ A% h# G
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
/ \, x* g( p# d;;将此次交易的记录加入到customer的trade-record-all中9 s6 d/ ]% B$ _8 a: d6 |4 i7 G1 m
end
* ^% {1 Z+ ^. {
0 ], }) M8 A( A/ w; r$ j4 Y4 O+ }to update-local-reputation
! N4 U* s3 X5 R/ Tset [trade-record-one-len] of myself length [trade-record-one] of myself( J% D) x w( J4 }6 e8 z
: v! c0 _4 u$ a8 J
9 U: g; ` o& v2 w
;;if [trade-record-one-len] of myself > 3
% o' K6 ^! {2 [5 Q# t0 Q. Fupdate-neighbor-total: T" \) \7 I3 k
;;更新邻居节点的数目,在此进行5 @& ~9 O: k4 m
let i 3
1 }2 G$ h4 n; R+ I& Z, b- n5 B+ olet sum-time 03 P, \3 U) u* w4 ~' @! E7 K
while[i < [trade-record-one-len] of myself]
# \. s9 T W+ e; X[
& p' J- S* [9 {5 t* y0 G1 `set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
9 \% I/ C; g6 J) f. O5 Oset i% E& t) D. X4 e# {* l: q2 ]: C
( i + 1)
/ u' Q2 @) j/ e]3 I9 k' [+ l) V) J8 {; V! l
let j 3: c5 H1 d; b+ n9 Z9 \" `- B
let sum-money 0
a" u4 D! |; j- A' l D ewhile[j < [trade-record-one-len] of myself]
: R$ ?! u$ d; y6 H* @& c% ~[
4 q: _* s3 \6 f/ o) ]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); O1 |( N$ V6 W9 w- A Q7 ]; C
set j; f* u2 X3 L; E9 s6 J
( j + 1)
' j2 ?8 y; ?; A+ u: e1 e3 h; w$ b]
; ~4 x( t( n+ Flet k 3- G+ R/ f; W9 k% u: n6 U1 e$ t
let power 0& K/ v; `. X) k: [6 @/ Q& a5 y
let local 0
" r! G% k1 x( K% ?6 q4 U) Q |while [k <[trade-record-one-len] of myself]" I& D) n' p+ v; q4 b
[
+ Q3 |% s: }% ], |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) 0 g# u8 ^5 |- Y" z2 w! u
set k (k + 1)
& l! {9 L r; g]
! t# w( O" ]9 C; |1 h" V& m( Z' Xset [local-reputation] of myself (local) d) y2 N6 w8 V& [( q" b) k
end( d; S$ S6 e4 X$ b0 \- B
0 @2 ^8 H" j2 Y( \to update-neighbor-total
, F* X% h A: Z& A/ n4 r) M
2 Z: O4 h2 g& [, Cif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
6 ~, ]8 }( `7 Q9 f8 E( m( F, P- P7 U5 B
9 M" O$ c: o8 O3 g2 Y; E/ y1 Kend: p7 `/ E) o6 I2 g3 t
+ t. }6 T$ l7 u" N% \; L* g8 k1 A
to update-credibility-ijl 9 j3 z) ^ W' c Z, a
6 j3 E9 ^" p3 Y$ f1 b;;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。
* w) T: T0 n2 @ r2 a& qlet l 04 }0 F4 s! Y/ C2 l
while[ l < people ]
" ]; U# R6 V; v% }' E3 \7 ?;;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
4 }) M4 p u" C[
5 z9 K: g/ F2 A8 v. h/ n; `: P! Elet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 C0 J. E) A, H* g& I# L# {) W2 Rif (trade-record-one-j-l-len > 3)- }; B9 z! J! s* a( w" q
[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
* }6 [# O& d+ rlet i 37 E) {: p `2 H# [3 b1 G5 a& Z
let sum-time 0
' |9 v: @3 H3 b) z4 Qwhile[i < trade-record-one-len]5 q) q0 X) n) @+ e! l2 z/ K; `
[) o8 N% ^! ]$ ^2 d6 S8 ~
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
" r/ L8 e% D7 B C3 f2 qset i
3 G8 n! B6 b" G2 E9 K( i + 1)7 W1 F5 ]( B8 l$ N @7 {: q
]
. ]- h, ~, Y7 j, vlet credibility-i-j-l 05 O' u7 m8 M/ y5 a/ n& H
;;i评价(j对jl的评价)
, b5 x3 u4 B+ H: `& }. ~: k+ wlet j 3. `7 P: ~1 ]; m2 r8 g* e8 f
let k 4
2 e4 ~4 j( \) V. J: qwhile[j < trade-record-one-len]# ?. v: z$ @2 n- h! n8 o
[
0 ^* _* A' D0 O$ 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
/ x0 g# \2 G2 Q. Dset 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)4 R* ^2 g. M* N$ {
set j1 U# R$ f6 V8 N5 |9 ^1 ]
( j + 1). d3 V" L: a3 i: k _; t
]/ Z& i; J* w( Y: o$ z/ v6 a/ ~& s
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 ))6 l4 ^4 G3 p1 Y& _% ^: J
% }7 p, N. f0 }# c9 `2 _$ U* C1 H5 o4 V
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))% D$ s4 i8 D. L2 o8 P+ t. \
;;及时更新i对l的评价质量的评价
; z2 S: j* s# ~ V5 fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ] X! g" k& ] u: U, w8 e4 x
set l (l + 1)
( {) W: [' Q' i) c$ X1 p]2 d; ]/ b7 G& J. F
end6 v% g+ m0 C! T2 T0 {2 l
+ D% {) e/ w+ x. U8 pto update-credibility-list( Z ? G7 e% X
let i 03 c( g2 H3 q5 P( o, m' P# `
while[i < people]
# q$ `' N+ N; n- i[
( m5 t, Z8 X t9 I2 a8 v4 \; e- Qlet j 0
2 C7 g& ^4 G; f7 @& e5 Glet note 0( L V: u' d" I& o8 p0 n
let k 0$ T- T! G) h- A0 h# d7 `
;;计作出过评价的邻居节点的数目
, H {6 f2 @3 E5 N' ywhile[j < people]
4 _% d1 g, K q/ S1 w! z7 u[# F3 M8 v+ M- Y3 `! q: u9 @
if (item j( [credibility] of turtle (i + 1)) != -1)* C6 p: M) [( ?4 K+ H6 v2 p
;;判断是否给本turtle的评价质量做出过评价的节点
# G, r* A6 N+ I[set note (note + item j ([credibility]of turtle (i + 1)))
% b3 B+ K' A8 d3 O1 M3 g;;*(exp (-(people - 2)))/(people - 2))]) h: H/ `. V7 P% W& [
set k (k + 1)
& Y l% @7 `' p, b+ h]
' }$ p, }$ D" A5 U0 ~set j (j + 1)2 @; O' i U1 C# g% Y& V& f
]) ]4 F( T4 P0 o: g/ H5 W' Q
set note (note *(exp (- (1 / k)))/ k)! Y& \' Q1 c# ]
set credibility-list (replace-item i credibility-list note)
0 F8 t4 z; K% U8 e! U$ Kset i (i + 1), {" |' n ^) e/ g
]
; S) e$ w; y/ ?* x$ E4 Iend
. Y" h" t2 z# [' ]$ D
$ a' f0 @ ~3 Q# \$ ~! z* C, C" Tto update-global-reputation-list! R+ p0 p2 @, F1 F
let j 0
3 D) X5 d0 b6 _% T) @; \. o7 xwhile[j < people]
; g# L7 O6 o: z$ l/ x/ p[& s; R* [1 e" _) x8 H3 `1 E
let new 0. f6 a7 b7 Z% P7 V; G4 J5 n
;;暂存新的一个全局声誉
9 g" K1 V% m, t/ Y e% Olet i 06 k' D: \& A7 a; J3 d0 p3 l1 t
let sum-money 07 ?9 ~6 i- O& ]9 _3 \
let credibility-money 0
% l$ S7 s+ D e- U4 Owhile [i < people]5 }" K r5 t9 v" ~
[; k4 j5 G# }" Q# c1 g2 |
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
3 x8 |$ n" ?0 I' cset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
$ L' u! G4 y9 wset i (i + 1)
$ i3 f9 g% s; f$ B$ g+ c# z! c: k8 a8 D]
8 O# R/ P" k3 V) I Y! m* j* b& Mlet k 0) v' c( V/ s4 J: Q9 {
let new1 0" s; s& A2 u) j2 }
while [k < people]# u( g5 D. Y+ o' ~: z# f
[
, b' E& r; ?9 d. d$ N2 @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)' F ^3 I v! y+ t- x3 N! Y0 r( O) U
set k (k + 1)
+ X( W5 s4 Q9 Q4 n* X]
! Z' C1 L8 i/ H$ v4 R- [0 n4 cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
" e5 M( I u: _- ~3 d- yset global-reputation-list (replace-item j global-reputation-list new)/ F$ A+ V5 q$ j `; }$ _
set j (j + 1)9 ], ^! s7 H9 @3 P$ K/ u
]
. }4 C6 y7 g& ~4 `0 I5 x# Gend
' c& r9 U( a. R: Q# f% g3 { C8 C L( N5 f! |/ @
. L5 I, c- z1 {* o6 R( i4 z/ B* ], ~8 y; I, k
to get-color- X$ S: F0 I9 t3 Z) {9 e+ D
9 t2 @$ l7 v1 N& S9 G0 p
set color blue3 B5 h+ c6 u9 _6 b+ L2 i
end p7 q7 p+ Z! ]/ A- I0 ^9 r
0 J1 p7 I D: d
to poll-class7 l* A) E; l; ]. t- P6 R! n( ?
end
6 A( H$ X2 B! c$ y, g: u n$ p- ]: Z6 J4 P. o t/ z, ]( E6 z
to setup-plot1
" i; s) {7 f8 k+ q3 l% l8 T3 Q: j, I9 u
set-current-plot "Trends-of-Local-reputation"
2 N% V, p; T9 ?& ^6 c; k
. B0 w8 }- }" g4 U8 Qset-plot-x-range 0 xmax) j6 x- A; d u+ Q! I/ u( o
5 B# J! u7 M# f' K* J# `8 Y4 a1 g# p
set-plot-y-range 0.0 ymax
. f" Q' h& j) g) g5 Oend% i0 ]. i% V9 H3 G8 q3 |0 \
W$ `* \) @5 j$ H0 `to setup-plot2% x) V/ s* Y, E5 P
; n$ X( g' j2 A( s" u8 | v! \- j- oset-current-plot "Trends-of-global-reputation"
* N& Z9 m$ @9 p3 c% e2 N' h- a; l7 t
set-plot-x-range 0 xmax1 H" P' g$ F8 [* p
5 e- s0 o+ V+ p' U: L" fset-plot-y-range 0.0 ymax0 @$ Z$ o( c2 k C/ Q
end
0 C+ v2 I% g7 @* X$ T _2 P2 ^& \2 D9 i* ~/ s
to setup-plot3
9 r$ \( K: y0 L; c" j" C
0 v& f& q. S6 {. f! z* ^" Gset-current-plot "Trends-of-credibility"
; Y: h- N L: z# j" M# J" O! t5 h/ v' ]+ u- s5 J
set-plot-x-range 0 xmax. J$ r: c6 m- ?5 E
6 d+ H }' K* X8 R( }4 e8 O1 d
set-plot-y-range 0.0 ymax
( |5 I& ~: v- x& b' A" C- p3 zend
3 O$ |9 d9 u0 X' W4 B, ]5 O$ p3 z0 S$ Q) ^/ T9 a6 H
to do-plots# Z" C) w' E# {2 o
set-current-plot "Trends-of-Local-reputation"1 c N- U- j4 C
set-current-plot-pen "Honest service"$ w a/ j. V& ~$ O# c! v7 C# h
end9 t& s% x! H2 {& I/ D! h
! q9 g1 \2 u5 ^1 x4 x& Q[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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