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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) f: Z; Y% n; ~8 _6 g: I
globals[$ ~9 K& v9 _: W# |+ v& W* N
xmax
3 o5 `5 V$ M" d( zymax' O% |* N2 K7 c! k L/ W ~7 @# c
global-reputation-list
8 i. l+ A! m) \! T6 u2 V7 Z) X8 n; w
;;每一个turtle的全局声誉都存在此LIST中1 b" W/ J$ X/ Z8 f3 f! G
credibility-list: f' j2 N6 Z. X. E7 m% W! V$ ^* `7 e
;;每一个turtle的评价可信度( v$ ?& T; [9 A% O2 M5 \6 s7 d
honest-service
) D6 ~4 H3 q+ w: hunhonest-service
$ a5 ?2 D1 ~- L' B( boscillation$ P/ w: }- Q7 y2 l% Y
rand-dynamic
, u: D( y& A! _7 l4 l+ k" q]
7 n4 E8 ? J W7 j5 z7 I [, k' I. a/ I7 z s" d! m6 J! V" e. F f
turtles-own[" S) C/ c( J& d! S9 K, Z
trade-record-all
# P$ Z( `& { D;;a list of lists,由trade-record-one组成
" R4 ` v' K/ etrade-record-one4 `9 U) ]8 B3 O
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录( B+ r; r Y; A% e7 w
) V% U5 Y9 e: A- j;;[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]]
. m) @. M3 ^- E) d Otrade-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]
$ a8 v( _& E) u+ U: I n' ^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
6 m) F! y# r* Z6 ~( G8 wneighbor-total% c1 p, y3 Q# `2 w8 T4 n2 D m
;;记录该turtle的邻居节点的数目' f) o1 b/ g+ U; d. J
trade-time! U6 F. d$ A' B& {* p
;;当前发生交易的turtle的交易时间
: n1 d9 M5 o0 q4 E8 vappraise-give
" Y: q* w1 o1 ~9 \" r0 f0 q" [. ~4 O;;当前发生交易时给出的评价* ~# q4 X: R; |' J7 `
appraise-receive
7 z* [ k5 S- }) X* P2 b4 b5 W;;当前发生交易时收到的评价$ q& |& S y3 u3 R, z: ]/ r' m7 K
appraise-time5 V7 c6 v4 ^9 \& y @2 g
;;当前发生交易时的评价时间
' s5 z$ O& f# t- m% Ilocal-reputation-now;;此次交易后相对于对方turtle的局部声誉+ M8 g4 V! ?$ Q( y k7 W: o
trade-times-total
* m: X7 Q2 \- j+ J9 M;;与当前turtle的交易总次数* z9 T3 z; t ^) Q; S6 z7 A# [
trade-money-total; `. a+ P2 r" ]; m( L# y
;;与当前turtle的交易总金额* p) P6 E3 i' G: z9 p) d
local-reputation
4 ? M- H: f; _% aglobal-reputation7 b Q: V. J5 p5 ?
credibility C K5 v1 i2 i* I0 I( ]
;;评价可信度,每次交易后都需要更新6 x( `- p. t/ v" i) ?: g$ s
credibility-all7 u! R! _+ Q: q: U: Q$ d) G
;;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* H6 F2 H4 x/ A
, d. F1 s. V9 X3 @! S
;;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
+ W& y+ @ A* U' n; P2 t& I3 Hcredibility-one0 i1 T* n2 f" a) Z8 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
" m, `$ o# S# P2 V* @+ u! m. Eglobal-proportion
& [1 C% q' T8 w0 w/ Ycustomer4 a0 }/ x1 v. T
customer-no
5 S+ H0 `4 x/ strust-ok% q7 A4 _& Q3 D$ Q( w4 D: _6 b
trade-record-one-len;;trade-record-one的长度8 O: p1 n/ C1 G. J8 u: J. f
]
2 Y' v1 d; L7 g0 m6 S0 D) V' j6 B% g) p, R, Z4 w/ e: W! @% _1 \
;;setup procedure2 W$ t" Y& A* I, F; c& y! f
& h6 x% [: B# }to setup/ n3 J0 ?7 T+ Y- ]
; T! i1 a7 z5 b# B3 c& ?ca5 p4 ^) J# A/ n$ q% Q/ f
5 E7 g8 w+ G D
initialize-settings4 _( ?' O# z( s0 n2 N% e
2 D5 L. t" B8 T7 Z% D; vcrt people [setup-turtles]* D3 x, R: |) ], ^. K
! @( d0 h- B1 d2 B, |% `5 R/ h0 K* ~reset-timer% ]# u ]2 S4 W! B6 U2 q6 y* g
* c( z* V& Z8 }6 a, p3 V; Y2 n9 q; W! Qpoll-class) l* }9 n2 A& d. G2 D
; u; H _9 T. `) ^( i: X
setup-plots
7 Q( L6 w& S/ {3 E( @
- q8 ^0 m8 R) A) T2 s, Sdo-plots% E& l) V+ `4 ?+ c4 a
end4 Q/ Y0 A! c4 g: ~
; D% h7 w% V0 ], L$ h8 Y) nto initialize-settings
* r4 a" `5 Y; W D& H2 c6 N5 ^0 O4 X/ l- i% }; G
set global-reputation-list []7 c. C, r2 l# X" V
) `" h4 M5 g. B* m) `set credibility-list n-values people [0.5]
: u ]' T% M& e+ b" P
9 y+ n. d/ }; ?8 T( `4 x! }set honest-service 07 Y$ S2 t9 ], c
1 L8 w2 v( n$ U
set unhonest-service 0
6 `. b K) n0 L* ?0 U2 b; \+ s. w9 \+ p8 \+ r
set oscillation 0! C6 j: M. A# c0 ]1 u9 P/ c$ T
! u% K, p) r+ G yset rand-dynamic 0) i! Y5 j- b# @+ z$ Z: |: h$ d$ E6 p
end( _9 K6 r9 L' B; h
( ?" o _( x1 P: N4 I0 b0 U
to setup-turtles 6 e& v9 t! f |! x7 ~
set shape "person"4 s7 j, H8 u# [( T/ H
setxy random-xcor random-ycor
' A7 A: c4 J. dset trade-record-one []8 k% d: _. Y) Y# n
( ^% [' q9 m1 a Dset trade-record-all n-values people [(list (? + 1) 0 0)] 0 ~7 P5 H: \# |) z$ [0 d9 I
' r# |5 h3 R& y5 x/ f g) cset trade-record-current []
4 e/ M* H! A$ [& p6 T- C- aset credibility-receive []: }! G! f# C; T
set local-reputation 0.53 M4 K. }& F9 J, h# _& P
set neighbor-total 0. Z7 q4 w4 e6 Y, c
set trade-times-total 0* |$ N1 v6 V8 D% |
set trade-money-total 03 _8 f0 r, ^' o1 W4 K
set customer nobody; z9 {/ l9 Y' q4 g0 k% |
set credibility-all n-values people [creat-credibility]% J3 J- l3 o/ P& [4 c0 |5 C) T
set credibility n-values people [-1] v1 j6 L& p# b
get-color
/ }1 H( a- ]' j$ j$ v4 {* [8 M$ g
4 V! W( R; c |9 E2 D2 v; jend
5 P( n" t$ {; k0 i
9 a3 t- u. q [; e6 h1 H& L; Sto-report creat-credibility
! f7 F5 f: [! }5 ]; I1 a. d* vreport n-values people [0.5]1 O# L P& C. h2 }" u: r/ @. c
end s( o3 E- I/ b
# w0 c# Q! K( B
to setup-plots( `2 i+ Z1 d) T4 Z: A5 Y
( r/ a/ A6 m" I2 g5 A" o* o/ |
set xmax 307 g' _3 D$ n. H$ h7 ~: R+ r, R5 F
3 E; q7 O, U2 l. Q, K
set ymax 1.0
2 D3 a- v8 O0 W5 T( _6 c3 S4 L3 g& e5 D; ?! e: x; E: W
clear-all-plots
: \! E) d& O$ ]7 f9 z: P+ S) ~/ b, @4 p' r
setup-plot17 j! D4 Y3 I2 d4 g+ _) r
0 R" K# |2 n2 Q+ L. D) x
setup-plot2! u$ h/ j w [. f2 m5 b
. R7 a! v" K" g4 I# b
setup-plot3' O1 H8 r: s w4 g* }: A/ D7 Q& h
end+ B+ y* m2 B5 ` v8 ~
- P/ I, t* C2 J* X$ c2 Y( l;;run time procedures! j! G6 P1 F$ A$ x. r: l
1 N* D8 Q5 [* W) b+ L# vto go
/ j9 u9 B; E) Q3 y: z K
& S( Y. x; C3 }, e9 r& oask turtles [do-business]/ F J7 r O3 }
end
0 T: U' M$ o9 f! k+ z% u3 Z
& w2 q+ K6 O" vto do-business
- {" C7 `9 k2 e- ]! }6 d k, T& a- M- e
2 v+ I1 t5 D+ Z" \) _- f. @
rt random 3606 b8 f5 F( z* S2 ~* R" L
$ O( }9 x6 s* v* d! z/ _/ \fd 11 i# y0 t- Z& K3 g# h% |
$ H6 I4 ]7 |, s x
ifelse(other turtles-here != nobody)[" {) S8 D+ \- N& D' s
* Y1 k" ]* K' J9 B+ f/ K. |
set customer one-of other turtles-here6 m$ X% i# n, H7 Z3 G+ [' N3 g
1 X* L% N4 F& H9 o( {5 C/ v5 L/ Z
;; set [customer] of customer myself
2 ` P/ E6 d$ O# {6 F0 Y+ B
- H- J, l; \. y) Kset [trade-record-one] of self item (([who] of customer) - 1)
; ~" c. `; _: H$ _) @% P[trade-record-all]of self+ O$ _8 i) D+ ^ t6 \' _
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- C8 K( o, V b/ e% Z! s6 F& u* f2 p" x# U; L. v2 @2 n5 i' M
set [trade-record-one] of customer item (([who] of self) - 1)
, I9 X; h; C: K$ Y7 |* |: c6 ^[trade-record-all]of customer0 U$ h" ^ |0 D" x: r; ~6 }, ?
' q9 o" G7 r4 V6 q$ ~
set [trade-record-one-len] of self length [trade-record-one] of self" g7 t+ r7 v- c
; s4 S% v- L" S
set trade-record-current( list (timer) (random money-upper-limit))* S; k2 w: n2 f6 u3 q0 B1 p% c( K
- i3 F- ?. ^$ u+ J: C- ^
ask self [do-trust]* N; g# F N) o( M2 w# i# F
;;先求i对j的信任度4 D' n6 u8 {* l+ ?
) a9 M2 v4 C; a qif ([trust-ok] of self)
4 T, O& e- U; U' ?& k;;根据i对j的信任度来决定是否与j进行交易[2 J& Y W. w+ R& g
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
) Q8 |: R# }& F& b* @; k |. p# i- x% V: A. m1 O, R' \' ~2 }5 U; _3 ~ q
[
. h# e& V+ F2 B c
% r, K2 N$ Z1 D5 Tdo-trade$ ~; s- g! x% ?, H' Z( i
+ x- c1 d3 U3 h, s
update-credibility-ijl
" [6 ?. \8 v0 X) ], i7 G J1 I
( C9 v; r% Y- n/ D" X# a+ @update-credibility-list
, m. c) o7 ^8 ~/ X$ V* ]/ {* e1 y" O% j- g2 G3 H
! q* m* s5 r7 ]+ P' d/ v/ R& j( @
update-global-reputation-list
( C% n; |- d. R+ \; @
?% J5 F/ M, L7 s( T; xpoll-class& H$ {& H$ ]4 d t. S8 {/ `8 L0 x
1 \3 k/ J( I+ ]# f& `, |' J
get-color0 I8 b, d3 i( h0 C
8 i! T1 `* c5 J# b]]
- W5 B) r! Y5 S* w0 s1 X5 _
" q/ e/ F& i3 ]; L# j/ t* u;;如果所得的信任度满足条件,则进行交易
8 j. U7 L& J2 H1 w' M) Q) f5 U& u( r+ i: a( B# U7 m
[
5 }/ t1 [, P9 r O9 y* V1 a8 m" a r, c2 O* O1 ^, k/ Y
rt random 360( m8 {, O! h& V- z
" p) B5 M4 l& Afd 1$ i: I$ m" F# T8 P7 t
, r- @2 W8 Q. X]
+ C5 t/ g/ Z% F3 P2 m( G8 ~! b6 c! q. }5 k* @4 p8 y
end
8 ~+ k, K9 d; }& b4 u1 u8 k5 {! S5 N8 T: |1 A
to do-trust d) [9 I6 p" X- ?+ p/ c: c1 k0 s+ P
set trust-ok False
K, x, R3 t; _# z. O: X2 j0 @- a6 Y0 C( T! S3 O c* c
( |$ I6 }; o7 t# T0 G7 n: clet max-trade-times 07 L( F1 H; m% V- @4 b
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]. ^5 H3 U8 `) @: s1 E
let max-trade-money 01 U6 S# b7 M. X+ d
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]& g& U* n! l% r4 Z$ k
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
5 M, t4 t, D$ D% T& Z% s1 l7 I# o% @' Q" t5 P6 h
5 s s6 B9 m+ l6 z1 t3 yget-global-proportion
* y# M' \- ^( D/ d3 j3 o0 }let trust-value; r, S1 m1 T/ Y; Y
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)
5 Z& D- I1 i$ t! qif(trust-value > trade-trust-value)' d/ N2 H) x0 T. ^
[set trust-ok true]
3 R1 G& J( }3 h9 w/ Fend2 q6 g" m$ a- U2 S* g
+ ~$ Q0 @ `4 |to get-global-proportion. k$ v! W( r! L) s3 f1 Z2 w% l
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)$ c: h" w5 F# h2 J
[set global-proportion 0]% x, d/ W/ [+ w* G
[let i 0
! y$ ^& l4 x( G" }. ? g$ ~let sum-money 0
9 c" ~3 v' f3 N: ewhile[ i < people]4 D, V1 E) j. h
[0 l' q7 i- F% s1 m) Q. E$ o* [
if( length (item i
+ I) K' w, r" H$ a/ ^/ R6 ^: J[trade-record-all] of customer) > 3 )
; w( i! @+ t$ V5 j3 `[+ _# v2 s9 _! G. d! u' u7 d
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))+ A# b# E% g; E! c
]
. E9 x/ v; \5 T) M4 N]
8 y; }; q# H2 s6 f0 n1 w' J$ plet j 0
) }$ ^7 e6 D! }+ e7 ?8 y; j5 Slet note 08 o8 e' e: w- F( h8 T) C0 I$ p9 }
while[ j < people]
' _& N. f+ T0 m8 C7 Q. W& N$ s$ ?[
: {/ x |, @- P4 o% z& L" tif( length (item i) r, J/ G& Q& ^8 _. h [
[trade-record-all] of customer) > 3 )
1 W/ L$ C+ F7 v5 P[" Y- [ L6 k3 w9 u M5 g
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
2 Z; {& \' d* }2 Z: @1 j[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 J( k6 @7 A8 z# n8 i
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] u2 x$ A5 W, `3 c' i& [( O u" F
]" n$ D+ p4 p2 Z
]: t& Y9 a& r, Q6 ~: \( z
set global-proportion note, C8 s% T* b; t5 B3 l, N& F6 q. \( G
]; m5 S+ I8 W, E* w- H5 l
end
7 Q$ {! n: [+ a d" x
5 Z! t1 Q5 _2 Z8 E2 G8 Rto do-trade
& [# o& n9 T. j% W6 `. [" F( d;;这个过程实际上是给双方作出评价的过程
! B/ B( D& L/ R h; Y" A+ Oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
, n+ m$ B" ]! o) |set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 k) X& p6 m! `: h H: X% Aset trade-record-current lput(timer) trade-record-current- ], N* r! O9 p
;;评价时间. q6 P$ y" m. @0 K& n' \4 x
ask myself [1 z+ k" C' J4 n2 D8 o" p1 \/ R! B( T
update-local-reputation3 V# Y9 l( _' a1 U1 H
set trade-record-current lput([local-reputation] of myself) trade-record-current+ o3 j4 q) d7 d/ a1 m
]9 u3 ~) ^7 c$ r5 T
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
w$ U: {6 L, \2 q6 ^4 Q4 e1 Y;;将此次交易的记录加入到trade-record-one中+ F0 g8 B2 @1 f5 A
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
2 l/ O& m$ Y% ` Flet note (item 2 trade-record-current )8 P; y6 w7 g4 A" [4 D, E% A
set trade-record-current
, @$ m$ U5 _. a6 h(replace-item 2 trade-record-current (item 3 trade-record-current))
% {5 O/ o7 ^2 m+ [0 N- A4 P9 Lset trade-record-current2 K, F' E2 R3 p) X
(replace-item 3 trade-record-current note), L! k6 ]0 n7 e- S1 I7 S& h: \1 c
9 ?1 }! e {# J# x" w. Z& R
, v" g. \: ]7 `$ b$ r" J, kask customer [
K4 y- x* _. M1 Q Tupdate-local-reputation+ {# ~* Q- |0 c/ c( ~/ E' c& _
set trade-record-current
. Q1 B: s& j1 i# A9 W(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
! D) e) O. y5 Y! E8 Y9 U]+ m2 j" L( w3 V6 }8 h$ J# N& F
; l3 u" Y& ~2 b/ t& J/ |7 G9 J* R. j, | {0 R1 w* J& c! G0 z* M+ U
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer6 E& C' w/ Y1 v! X2 o h* n+ x
; W6 Y$ t7 r$ x% Jset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
R E" _' V7 f7 ?! d/ V;;将此次交易的记录加入到customer的trade-record-all中
, I; N& M0 e& |0 O2 jend2 U3 P, H) J; r5 _/ Z0 ]
: l/ [8 N1 P: J1 J: L6 d
to update-local-reputation
- g3 X9 @( h. h- m+ z& d' @' i: G& Uset [trade-record-one-len] of myself length [trade-record-one] of myself
, f* a7 G# o# I) u3 ?1 L# {
: ~) C) G+ N7 U; q( w3 |7 N- o9 |0 }$ }, J' y. B
;;if [trade-record-one-len] of myself > 3 : S/ e. X* c' V$ e- x/ }
update-neighbor-total
% k; t4 W" c3 B/ S" w;;更新邻居节点的数目,在此进行) g! |7 Z1 \# L+ C% a5 Y* I
let i 3% l- ^# B2 f$ d7 e: E! U4 W5 B0 j/ i
let sum-time 0
+ z/ g- y7 v9 S: `: L& g* r8 p; ]while[i < [trade-record-one-len] of myself]
4 y# e9 j7 q$ y. C8 b[
% U+ j. r5 E4 S! Oset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )8 C/ r# g* I Z7 b
set i2 x$ K! M+ N p3 |
( i + 1)
& {9 x- S9 |+ g' _' I* @]
$ n& I4 k2 \+ [let j 39 f7 R. J& `, }( i: E7 p5 x
let sum-money 0# E* C; L( N+ r/ ?/ f8 P
while[j < [trade-record-one-len] of myself]' L& A4 x# x4 {9 V1 o' O
[9 d( o( `9 z h. r
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)2 e/ c( S: q, @6 ^$ Z9 N4 Y
set j) ?. @7 [5 r) \1 k8 {0 k
( j + 1)# l$ w' r2 \: R$ r
]/ c: `( H* z% G H! `1 _9 x
let k 3" H( b7 G/ ]# c' q# [8 L k
let power 0
& a6 G' ]' ^6 ?9 R4 @/ q: tlet local 0
- V2 \% i9 t( f( R! q7 Owhile [k <[trade-record-one-len] of myself]2 K3 p6 f; Q: ]- C! v
[/ H0 N3 p3 n/ t' P+ m* F0 ^7 T& H1 V
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) . z" N8 y. [. e" d) L
set k (k + 1)+ g) i5 e( `, r+ K: y
]
6 R+ [( ^7 f9 H4 o' {. vset [local-reputation] of myself (local)5 I* \/ i1 P2 J. x+ G7 \
end
( @) V) |5 R1 Y1 f- M0 F
) T- O8 \5 J/ ~; I: t6 m+ p$ f% tto update-neighbor-total5 } d9 L5 E& F, k5 `8 O! I
" ?, K; f6 d* @0 M% u, T
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]) {$ M: Z- H6 Q7 r
3 g$ {2 U x/ P3 S) ~9 B8 b
7 n9 l2 M+ K4 u- z* D, \end: i0 y# D. U2 z
, q& p! K0 r3 o1 `: ]! f
to update-credibility-ijl ! z2 ~/ j' ]( R1 h) \& ?. @% a0 L: _
# I- u% p' N# C) ~& 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。
- x' F/ G( U7 v7 [" K5 Ylet l 03 H+ M% [* b2 d# T8 e6 k- T
while[ l < people ]
4 I: k6 J- W4 K6 f;;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$ |7 u: }( J& |# V5 n6 g0 s* k4 v. Z
[
- w/ }! Y3 }* w( v% r6 mlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)" z. j( r* j- z
if (trade-record-one-j-l-len > 3)* z8 U+ r' N) m) P4 O! D& \: H
[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
; L+ C& S& t: u) G2 O. R3 Plet i 3
: [% U1 J" w% Ilet sum-time 05 A* a6 u U6 ~/ M- L2 \" H& H
while[i < trade-record-one-len]* H% p' o* b8 g6 d4 V1 d
[
+ t3 ^8 W+ F6 U4 w6 K1 Dset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )# \; u) A" {$ h' T8 V
set i8 g2 c' w4 L5 H& Q3 F+ K6 z; g2 h
( i + 1)9 K" k: X* a: i9 m# H# t
]5 u1 }& F8 J6 j( Y3 T a( M3 X
let credibility-i-j-l 0
" t7 p! V4 h6 Q$ }$ T# T& {6 k;;i评价(j对jl的评价)
# q5 p! J: {/ S: clet j 3& u8 g! D, s9 E% X1 J/ ~$ L0 I
let k 4
. f. |+ K/ k3 ^1 s0 I& mwhile[j < trade-record-one-len]2 Q% {& M: {4 R8 @; y, ^* P
[: i% ?) \& L9 f T3 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' F) }; a+ v: L5 X. M6 ^, M
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)/ v7 |0 x( m! E
set j: B# K* N' F( M( P1 v- d `9 x6 Z
( j + 1)" b; Z( f0 b3 Z, W# M; i
]
$ I9 j9 ^0 H7 V4 K0 M: q' Gset [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 ))2 L' e/ _* l$ @$ g' c; c# Z
' \: N$ k* M- I' n W' o+ U
. H3 ?1 z, r2 u% z
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
) ?. j* u& I9 c* ~) R$ L;;及时更新i对l的评价质量的评价- S1 x; i0 m" b6 D8 X( K, Z
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
! X1 C; z4 ]* d6 V9 L: ^5 z2 _set l (l + 1)* G8 Q2 l: h; ^+ E# u
]( ~: o- k! h" p- I
end
( A0 N! r' t' m- l5 M; g6 v& A
* m) B" _1 l3 x0 l- c gto update-credibility-list3 l0 M; t. T {' q$ [# K
let i 04 ?. k/ |0 w4 e! @) ?9 N
while[i < people]
/ f. t. e# v. I) F1 A$ F" P7 ~[: a# w8 k. u% K0 J+ g- U
let j 0
4 C, ?9 ?, y- K6 y/ R& @8 |& s3 E1 hlet note 0
- u$ d& u, L1 ylet k 0' R$ @4 o9 C# O" m; A2 u
;;计作出过评价的邻居节点的数目
5 o" j f0 n, `9 O* dwhile[j < people]
0 ^ ~: Y9 i# R1 P7 f1 ~8 f4 C$ N[5 T2 i ^$ B3 n/ b3 \& X' W
if (item j( [credibility] of turtle (i + 1)) != -1)
# ^" E! T1 ~1 X; ]- _;;判断是否给本turtle的评价质量做出过评价的节点/ T7 I* T) V- Q# z1 o) E
[set note (note + item j ([credibility]of turtle (i + 1)))# f3 l' x. ~9 E7 w/ f" y) w0 ~
;;*(exp (-(people - 2)))/(people - 2))]
. B0 d9 J$ m; k/ iset k (k + 1)1 @! W( X1 U& i% g: ~' @
]
$ i, a5 f/ z0 C2 s# eset j (j + 1)# U2 A) l' h: @0 f8 U9 W' f
]
+ K2 D8 V- y$ V( \set note (note *(exp (- (1 / k)))/ k)
' S" ~ `8 G. s9 g# N5 D+ Kset credibility-list (replace-item i credibility-list note)1 q0 V' s4 Z& L( j" h
set i (i + 1), @# L9 j- S ?" g0 r, Q; y
]
/ c& p& z& ^5 uend
% s* ^1 x5 K; C/ U3 j
3 |3 S: u" f( Z0 Gto update-global-reputation-list; ]: l3 I1 j0 X1 v& B
let j 01 s1 \3 R$ T1 o' x2 {8 G: F0 \
while[j < people]
# N# y% C( j( B' E3 c) M& L6 T+ O[/ w4 S6 N9 N& X" W
let new 0% l. n [8 s; T" {5 z
;;暂存新的一个全局声誉- `/ F Q* h9 ]$ p
let i 0
$ y- F1 p- I, h1 K( j# olet sum-money 0
( N* @5 I0 c4 T3 ]" _" alet credibility-money 0! ^" X9 @) U9 C6 U# Z
while [i < people]* Z& S; I) R# |9 b) M$ P+ b
[
$ n2 [6 x. I2 \set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))/ f4 {0 O3 U* f6 \+ |
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))5 v% i7 A0 u' I9 A* t
set i (i + 1)
* F, Q4 ^$ f8 p$ ~6 V] c( Y% U; k5 r+ i7 w( B4 C% }
let k 0" P# ? s' u7 O: [
let new1 0
3 L4 O# m7 x5 |while [k < people]9 y) H: y- O4 L x: x) g
[' c' k0 Q+ V0 \4 P2 m
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)
/ W) G0 S2 \1 i5 g( r* Qset k (k + 1)
3 @0 y* y6 D) R2 L$ z6 y]9 c: g0 d" M3 {/ ~# d. A/ Y0 K
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
- Q( |' s' F2 S! z' d" fset global-reputation-list (replace-item j global-reputation-list new)
- O, `; h1 x9 l1 z/ @# Fset j (j + 1)
( A- q8 W6 [4 C- |" ?; N+ s8 v]; N) S+ c8 j5 u2 k' J
end
! ~3 R4 t2 _7 o
# c& F# {- C8 Y$ C+ t. u0 x4 X
0 _2 {. S) ?% D( l9 T, z n& T' l
( ^; }6 [. H, ~( z* W }to get-color& Y5 b$ c( e) @5 ^
* E8 J7 H/ N$ ?) u- }set color blue
. Z* n3 S, h T* w3 {end( V0 i# @2 ^; q: x+ C
6 n" k3 E; [( m! Z
to poll-class
# i& ^) \. L1 r" Q* w/ N, }end6 d5 S4 d: y" J
& |$ x9 U0 `* ~8 Fto setup-plot1
( B" o8 R. I9 X/ ^: |0 M3 A& {/ g( w. l! | d% ~' m! V
set-current-plot "Trends-of-Local-reputation"
; M, E8 c/ k' b
( f, b4 d4 {& G5 B7 l0 ^5 X zset-plot-x-range 0 xmax s2 i. j/ y2 i
?$ L9 \9 X, m/ U' Wset-plot-y-range 0.0 ymax
+ C3 ^+ u* }! C4 {) Mend. [6 E' E7 s0 {' y: E
x2 x( e1 U+ k5 {0 z( f- yto setup-plot2 i* m0 t: g) B% c
* v X( n' k, ]! b4 ]
set-current-plot "Trends-of-global-reputation"1 G$ A5 S1 u0 `
! l9 C* |8 g* l: p8 A
set-plot-x-range 0 xmax
& ?1 E% m3 a% |" s
* G' ^8 z; \5 O+ k; M! e: l, ^set-plot-y-range 0.0 ymax
' O t2 ~* e, x& aend
" A; ?- J. h& o9 {4 j: q. h$ M4 @" H0 u/ m
to setup-plot39 x9 ~2 x: Y0 W
' h6 B& J5 ~4 {- `3 Kset-current-plot "Trends-of-credibility"
/ @) z1 R; F! `3 s* t% W2 {% T! ]8 F% c. P+ u& X; R K3 \" Q
set-plot-x-range 0 xmax: p2 X8 q7 U. B
& F: T& k7 |1 W6 O: L) \set-plot-y-range 0.0 ymax1 p8 h& W' ^/ w3 l2 f) c
end
O6 z7 F" T7 v4 _6 I# x
0 r1 J1 T8 C8 y5 [( i5 Rto do-plots
7 ?0 F% W: ~, ]& wset-current-plot "Trends-of-Local-reputation"# A' m) b, @+ S1 \6 u6 d
set-current-plot-pen "Honest service"1 Z& G4 K/ M5 L, p
end1 K, l8 h% d7 C
3 K/ V o5 m2 u- y" c
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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