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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! h3 f- v* d- h. f+ l9 ^
globals[
e6 ^/ z3 y9 U# x% r; X: uxmax
" E1 u- Y7 Z+ dymax; x. R* r- ^. N/ v+ j! ^- ~% d
global-reputation-list% v- B+ x6 o) l
1 o) ^. z9 t1 i- g;;每一个turtle的全局声誉都存在此LIST中
4 b1 {( b$ X9 t$ R" Z, gcredibility-list
7 [% w# ^: U9 M L;;每一个turtle的评价可信度7 W6 R& d; V; o1 H% g% c
honest-service
; Z' y4 H7 i, [1 Munhonest-service1 I3 C5 v5 @6 A
oscillation: n# o% P7 U5 {5 O! V" ]
rand-dynamic/ R( ~7 l2 R& d1 |" m9 R
] I) ?) e- v: e4 `4 q+ C: N
7 z- z* D0 f! E+ ?! c- {# a6 |2 t0 Rturtles-own[
0 m6 u+ |3 v- Atrade-record-all
+ K- f( H# D5 c5 Y- o6 {;;a list of lists,由trade-record-one组成
4 X2 x3 }2 H# P, G* L5 rtrade-record-one1 z) a' M: B9 ^
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
" z# E5 E4 |% l! P) m' \2 b( b5 K9 i" T, _" L9 P' h
;;[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]]
% s; w7 O3 U: _! T1 _0 ktrade-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]
1 u* U- x& o( [2 ]! }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
3 F. j8 _+ Z) B7 _neighbor-total0 a$ e7 G- J; I% c
;;记录该turtle的邻居节点的数目
) S! F+ F% p# q' ~* u* itrade-time+ ^& ^, G' T- d. u' l# M6 x" a- X
;;当前发生交易的turtle的交易时间) u' x4 K0 i+ H% e$ K; d
appraise-give
9 K2 M6 v# K/ ^;;当前发生交易时给出的评价
$ z& D7 \5 _/ c; Lappraise-receive
- ^' x# c6 B5 z$ u;;当前发生交易时收到的评价6 y" ^9 o- b/ A1 ~" z" |, E
appraise-time
! h' w$ I' v3 a& P& k;;当前发生交易时的评价时间; j0 u' O' p5 n. l6 v+ V+ U
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
0 U* u) Z% H7 Q2 R) ~4 itrade-times-total
# l f; f: ~6 U3 `;;与当前turtle的交易总次数
% f0 ]2 |" E) c6 {( |9 T, itrade-money-total _ H5 A- K+ c; p% |7 z
;;与当前turtle的交易总金额: Z( P; t$ z4 q# }
local-reputation4 T: q" n1 i# W" w5 _; q* a
global-reputation
% V) y! j" k$ o& \0 [( p8 Scredibility7 j- i" g- W5 h) d, Y
;;评价可信度,每次交易后都需要更新 e9 z5 X! a! T$ |/ Z
credibility-all
$ k+ @1 Q3 I0 X- X) [7 g9 ?;;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! m* A7 N0 _) L4 s8 K4 R; k1 c7 A
( {; p, Y2 O2 q5 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+ B1 b7 U; d& f# u: p
credibility-one0 G; J# F& F* }. G& b! [7 \
;;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
$ q" V, ~& P: y, k# g/ E7 X# Eglobal-proportion
; @ Q% w3 H- h: M2 O1 qcustomer
/ N9 h/ a# Z4 j; Z5 Z0 ocustomer-no
/ B; |2 q7 q8 [; X$ htrust-ok
- S5 {6 e3 h8 P1 Q& `7 v3 } G) Etrade-record-one-len;;trade-record-one的长度3 C; J/ B& R# Z. C$ U; j5 h1 a: Z
]
; o# h: d" U* x0 Y+ H
- \3 j1 X# i# S( v;;setup procedure7 `6 N* d# ?# @% s! g, f
* K7 F- |; j/ Q1 o& N) i8 }$ tto setup8 @: v* {7 f9 Y- b1 g7 e; R) Y
\" t& L4 G) S. L% V9 x
ca
5 }0 l1 Y- G+ |2 L, q; O9 O9 E5 A6 ^0 ]7 l# j
initialize-settings
$ {5 T0 o* ?# U& a2 g( ]
" B; J( L5 @$ \& k ^# wcrt people [setup-turtles]" `4 j# }* \6 S1 k! w& c
" i/ b, n; R4 z) @
reset-timer2 i: E8 _- K4 [* V3 Y- o9 l2 B! U
; ^8 i7 n7 J: r- `1 ^
poll-class
) I: N! H" f9 g4 m0 ~" w7 `
4 I" u9 u" V& |! E" L4 ~setup-plots' t) W, M* ]3 I
4 t& f6 ?7 F- D, q( @; O& fdo-plots
( m2 W0 z' `* K9 hend' a, i. n, i' y4 u* Z, E G" y
: q. c# N3 _* }$ k: _
to initialize-settings
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set global-reputation-list []
) B4 x) c- G# W4 t& P
/ R8 Y4 O3 p! Y/ Sset credibility-list n-values people [0.5]
- I& O5 z P+ g' x* G) ~4 d/ n! X
; L1 p+ \3 C4 z8 j8 Kset honest-service 0
2 v( C* T% p8 e3 g) u5 b! o
/ G3 _# k+ V, c5 }" H' q0 pset unhonest-service 0& G5 b t' k4 _4 K" F# L
8 u8 w4 I' E# Z* K; y* l
set oscillation 0; x& d, B( _: d% v
* J% h* x( N$ {/ p4 i S
set rand-dynamic 0
1 M; u& v0 r: P: J2 s8 gend+ T& d( F) l) H( G- u0 [6 s7 ?
6 {* h/ U9 r$ ]3 [" {& n& ^to setup-turtles
' ]9 x/ y1 Q& R1 p; d1 @0 pset shape "person"
7 I. o8 P/ T# e6 w& R1 g6 ^setxy random-xcor random-ycor: _# D- }. Q9 s! i) Z ^
set trade-record-one []. L, W- J7 e% \# l
1 l# v& @! h) I$ k" L% M5 E2 P- cset trade-record-all n-values people [(list (? + 1) 0 0)]
+ _9 l% t8 {$ G; l/ z
$ `: Z, X! v& `2 [8 Uset trade-record-current []
6 [, l$ Q( A- Uset credibility-receive []. ?# k5 q' ^; f" P- ]' \) |
set local-reputation 0.5
3 o# h9 x |/ s- V- N, c; Jset neighbor-total 04 R L6 Q. {0 Z
set trade-times-total 09 ~ v. Z) L6 t D1 N7 }9 [' ?
set trade-money-total 0
B8 H9 K& N4 R: L7 Tset customer nobody8 X( K- x4 j o+ H) a0 B
set credibility-all n-values people [creat-credibility]$ C" k$ {) I5 h! S' A
set credibility n-values people [-1]5 A5 u7 J& r- F" ^( K; m7 B* y/ \
get-color9 P) n2 L* {8 B# |" ]" Z+ T0 M4 e
0 J5 X/ j8 F3 a! b6 Send
3 b. d6 @7 V9 n: u- Q+ v7 n0 V6 d2 P5 \3 C4 I, @2 r
to-report creat-credibility
9 p( v. b* T% S3 xreport n-values people [0.5]
" r6 ?9 m4 C4 G8 ^end
7 z- a. \8 ?, S" v3 u% t r. z2 f8 X! {4 n% X# X
to setup-plots, C! q6 W9 U* p- e: U8 @1 Z
1 ^( b; `. C* E" m* `: H' |set xmax 300 L6 T% Q, u" D) K/ j
/ f! o& }$ V t R x2 wset ymax 1.09 O6 P, a0 P+ t% h! Q- H
, ]7 J# f7 O) C& ^
clear-all-plots$ W9 x7 A& w5 X
7 j3 T3 m7 V* k# }5 f0 ^
setup-plot1
, D; D5 @6 f% E/ I% }% c! m# F
" M5 g4 B5 P& lsetup-plot2% p3 h* L, t$ ^& a# w' b M4 y
9 V( H* z- j, wsetup-plot3
5 r* W q! H4 ^6 @, P! E, Bend
- Z4 n0 Y- e4 {, N! Q6 x/ N
3 A. B' u( q, s. t;;run time procedures/ e% o; J" \5 i! V
- o* @. k$ z, T' Sto go @3 {' j, e1 _3 g% o7 n0 A
. B4 ?% Q' @% O5 zask turtles [do-business]& x- N% L& d: X$ W
end) \. m3 m3 q8 ^" \
+ i; K, n! W- Q) R- e# [to do-business 9 m3 J" K' }0 V1 Q! u
9 I W* T0 t2 a# \" [" u0 g/ z$ K
' T* Q1 T/ g! c2 j
rt random 360+ k. D# b! u/ F5 k$ A: C9 b5 e
2 G$ B. I6 S7 l6 S7 @7 vfd 1- K2 R* V. T+ U# q e. x
) L2 X( s4 x* f$ S$ A0 E
ifelse(other turtles-here != nobody)[
. \2 d/ u) A3 z! m6 e4 N0 P, u* |$ O- `/ k6 U2 S$ T. U, Q
set customer one-of other turtles-here1 u. M- T- O4 `5 _9 H3 q, v
' m7 \/ R+ W) m- I# ]
;; set [customer] of customer myself1 N& [( G' D5 O- I
5 r" E! A2 H$ v# {$ x& J+ Z/ n) Y) n9 T
set [trade-record-one] of self item (([who] of customer) - 1)
) a5 P7 a& X) C[trade-record-all]of self6 D# Y1 D( Z5 ~7 v" C/ i
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* q# q/ U# I. ?9 i( J+ @7 ^
3 p$ G! N% b# R& C( b4 \/ j6 Rset [trade-record-one] of customer item (([who] of self) - 1)
- k+ Q' f4 K1 d* N' G6 o[trade-record-all]of customer
3 m. `' Q, Q0 Z* _5 J5 L: _& [2 {9 j+ R: s3 v
set [trade-record-one-len] of self length [trade-record-one] of self
m) m; a5 B/ w! j M+ t- I3 `9 U9 r$ }) O
set trade-record-current( list (timer) (random money-upper-limit))
! I6 M+ N5 O! Y M
+ U( S; j$ Z; i4 `ask self [do-trust]4 {) n; k/ [+ t3 e. b" s2 U0 x
;;先求i对j的信任度: q5 W+ E: d" P' J1 S
4 C: P& U0 `5 u; N
if ([trust-ok] of self)/ y/ c2 t0 s" {$ P% s( ]
;;根据i对j的信任度来决定是否与j进行交易[
q/ I/ h# R5 y1 }$ k+ ^" Q0 b; s& Xask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
6 u, O( @" _, L% [
* P) e# k, ]; \% X8 F[& ^% m4 ?9 n+ `; J
. z# s. U9 a, S* X
do-trade
1 Y. w* J$ Z# l7 r) y0 w- O" P2 \; s/ u* H
update-credibility-ijl
0 c- a/ B7 X( M# q' S( `: z+ `0 c% s& a; [ h
update-credibility-list
8 T9 Q/ ?; b6 ]# }; z
& y$ z) v8 [8 W% K) S1 T5 @9 s, P) _) w* e! n+ K
update-global-reputation-list9 P0 d, ^) O$ R) C
# G y0 k/ p1 u6 npoll-class0 k6 |: C1 u Z0 o& M7 i) e
& z; ]6 |2 [$ f$ f: Oget-color" o3 R- O- I0 D) }5 L, u' k
, X2 @) M/ w& G& |) G6 r
]]
; b7 Q+ W4 S6 |8 a6 C4 `; A `0 T3 W; m+ v0 q) P
;;如果所得的信任度满足条件,则进行交易
5 H% T) Y) m# x" z _5 b) O A) F/ B
[* I% L9 q, n, h7 \
w% Q4 s) B; Q6 C u8 u4 k9 I- W
rt random 360
! F, P6 ?9 a4 X# @0 j- o* o$ [6 ~0 X$ J: s
fd 1' y. c# }1 o7 l4 Z4 m/ J
% i. Z0 F6 H$ N) T. m( n. k( B
]9 v/ Q( t: I$ X$ a# K0 P. [- i4 N; ~
& n# ?" ~: ]* |
end
) ^4 c+ u1 g! G5 I9 D- `1 T
! B; e U9 i+ ~$ wto do-trust : {, M* _% |2 `* R$ v
set trust-ok False Y6 S* |! M% a, ?' y
- L2 r1 |5 v8 \8 b5 [# I
6 f) T" a3 A* \0 H0 b$ J! Llet max-trade-times 0# |9 E1 R3 O9 J0 |
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 \; P% I+ J6 U, P+ ]. \( Z3 s v$ K
let max-trade-money 0
" h$ ^7 M7 o' v! iforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
' ?# M: a, ]. \) m# g- a4 t1 blet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))2 S4 X4 ]) }# x9 ?" ^: z
! d+ Y8 O O K. ]- c) v0 N0 a) w6 A( q1 t" ^3 | \
get-global-proportion2 j- n& O( w9 {% J7 r) p
let trust-value
7 m1 Y' d3 T& p, ]9 h9 d& Z9 E4 Rlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
8 l! X& _' F4 M* U mif(trust-value > trade-trust-value)
# X, n6 `8 \9 n* u; w0 ~' c. o[set trust-ok true]
0 M" S8 k/ I0 T4 o2 @1 e3 ~' Cend6 o6 b& X' Y" ~- @$ {5 z
0 p1 d4 V4 e3 t0 Q# |& }$ Rto get-global-proportion
9 Y8 Q2 `+ D4 Nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
/ `, u) M) {( A[set global-proportion 0]' Y$ F; @6 j* \* d% Q( o, F. K- b
[let i 05 I. ?. u' @! B0 g$ d3 P
let sum-money 0& i- m+ x0 |; Z) T
while[ i < people]0 v5 |+ f' \0 I( q+ h5 D) d3 Z: J
[* H$ ], o I6 ?# k* d* a! w
if( length (item i
9 D P' Z% k* W2 \- b[trade-record-all] of customer) > 3 )+ H3 [" R- C5 ^; Z% w5 ^+ |0 O
[
[" e3 A% ]7 b2 Y- a- p6 t1 Cset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
* h: x, h% K9 S0 Z8 R5 { h]
5 O+ x# I3 e8 I! {3 R: u1 z2 N]' _- c8 L+ i% Z6 b+ i
let j 0
# ?# V3 h; [# Q6 Vlet note 0/ f& I$ w8 Q/ P) P
while[ j < people]! a, G3 C- R8 u) |, B
[& ^" O$ g. H, N0 {8 r4 a
if( length (item i
' N# Z- D# f0 E0 G' ]9 @[trade-record-all] of customer) > 3 )" ]7 C+ O0 n8 d
[
0 _1 G3 }9 P: Q# @* ^ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
+ V' Y3 R. q7 l% }5 o: q' a) ?. {. j[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], P1 b; T1 t( u% @& ^
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]9 {/ k7 q! k2 ^: S2 p" O9 o
]2 u& ]' ]+ I+ |5 c% I1 P' U7 b
]
2 a2 ?& s, u, a6 B5 mset global-proportion note8 e+ S. U, H/ n7 ?: ^
]
6 z/ R. p1 ]* j# }. y1 Tend, D9 S0 p+ l9 w
3 Q! P0 h/ U# A6 ^$ a2 `- L+ tto do-trade
& A: j1 t$ D# b- G! z7 V;;这个过程实际上是给双方作出评价的过程) t# N. s; _9 R$ F, i/ R3 r2 h( S
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价' `8 y6 S. i$ L
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价" c$ u z! E0 |
set trade-record-current lput(timer) trade-record-current9 n$ y" A f0 P) T- } f
;;评价时间& @) ?3 g2 Y/ I+ M& \$ d
ask myself [. e5 y* {5 D1 H; C# w+ G% @% N
update-local-reputation
7 `: A0 f. W0 B: T. Nset trade-record-current lput([local-reputation] of myself) trade-record-current
1 Y4 S1 j* D& U' X2 s4 D]
4 g5 r4 U% z' J0 [/ K1 bset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
( c5 |' `( N7 B9 O;;将此次交易的记录加入到trade-record-one中6 Y8 g! F( a( @# A+ Z' y; |, g
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)5 o0 i t5 ]+ r
let note (item 2 trade-record-current )- m0 w) ]! Q; }; c; M8 n" H8 [
set trade-record-current# P7 f; B, A% |* h. n, M
(replace-item 2 trade-record-current (item 3 trade-record-current)). O D* G+ W* v! M [8 R2 h
set trade-record-current" V' N5 k8 {- T1 U- Z8 U( s
(replace-item 3 trade-record-current note)) @! h# L/ G/ _3 G
& K; H- ~% z) b" p; Z
4 X8 ?( i f2 q$ V xask customer [
' t6 G7 V+ B4 S9 a1 _; jupdate-local-reputation/ r% Q. J) b! x. E8 s4 J
set trade-record-current
$ x' n! i1 a' B" F7 y(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
* B( W* Y( n' t6 q) Z( }], f! |' @+ w' Y# }( j6 |: j4 \
: j p( V3 [/ t. h, X. h3 x" }$ @, h3 v$ q
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
( e6 z3 E3 j, c6 d1 t! s. n5 q- O' y, @) _) {$ e
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 [& x% @' x4 i7 x* W
;;将此次交易的记录加入到customer的trade-record-all中- u& W: L. T/ U
end
+ Y# o K, d( [- z' W% Y$ \
" V2 w) f- c/ l) @to update-local-reputation# |% F( B ]3 b% ^
set [trade-record-one-len] of myself length [trade-record-one] of myself
# E9 ^* B6 [' r$ ]: |( o7 m
# ~& f$ p( o1 E0 z) C# H& d( W2 q
- c p7 A: ?- y, L3 b;;if [trade-record-one-len] of myself > 3 5 F: P$ @, n( }; M
update-neighbor-total" M% o( p2 i: _6 _; p a, o7 z
;;更新邻居节点的数目,在此进行
: z! p' j3 j+ t" Q. O& V4 ^$ Mlet i 33 p3 K' v) T4 S0 f- Z' [! I" t
let sum-time 0
% ?5 e8 A* Z8 s- t C# {$ f( l( swhile[i < [trade-record-one-len] of myself]+ t0 @$ m e/ j( D8 G% Q
[" {, f8 D6 `# v# X( }3 k! P
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ) N3 k4 o: t5 U1 H
set i9 M8 d3 @% O$ {4 `% P- x$ k7 @6 h
( i + 1)% K8 Z7 a0 s- m5 n* B: O
]
; F* N4 O' t" e1 H% D2 L5 f$ ^let j 3
3 R1 c! x' D8 l, Llet sum-money 09 B) C) [8 m6 R+ F" V f
while[j < [trade-record-one-len] of myself]
0 U. h8 W0 S* D5 m: U: x6 c* ^, s[3 o! ~1 o0 ?! G4 l; a
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)% a, n% ~. F' G; Q. P$ r: h6 ]
set j0 r& u, t1 ^- }& H' [) L
( j + 1)0 A6 k6 H$ `. ~! B# C$ u5 L
]
6 L% j2 l# U# D" G8 e0 Elet k 3
' d1 |0 _. ?! A$ [let power 09 S$ y3 n1 e5 R6 @$ B
let local 0: M, j( |1 \2 R; Q6 F
while [k <[trade-record-one-len] of myself]+ y) r0 |; H1 Q, P) I
[
6 D2 c2 l8 { U+ O1 H- O" r4 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)
( J# o# @2 n B. p8 U, tset k (k + 1)$ ^, i4 f6 F: M3 r/ a) ]) v
]) [* A3 v; @2 m C4 ^
set [local-reputation] of myself (local)
0 ~, Y8 B# t' Z! H9 _( _, pend
?3 Y, R3 k* \: p7 _) Q
$ ]+ J, |6 k" l3 B, sto update-neighbor-total9 m+ Y8 {3 d+ n+ \
1 b0 R$ N5 r0 L% N: A5 v' U" Kif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
, a) W2 [. `# n9 \1 O" \' X3 ~7 r4 O Q
1 k6 g7 W2 z) {1 pend: F3 B4 c" B' h/ T; ^
5 z: L& y, X* z6 X( k6 ?2 w
to update-credibility-ijl 1 _, Q8 A1 K. U8 e; ?3 r
" y" g+ f+ P) B) q8 V;;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。
3 G- y I% x1 Dlet l 0
1 ]+ @, g, g" I1 N9 W( h& n+ g# T }while[ l < people ]
8 U4 \$ z7 B' L' S$ B2 c- y;;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, O" _( [4 q2 b* z1 }
[1 S, y* e6 L: @, o1 C. l
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)# J- ~2 C0 i* P) u& u
if (trade-record-one-j-l-len > 3)
7 }% X6 Z" T1 J[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' U; Q& W4 ]% O4 a* K; {2 O4 l* F+ v
let i 30 ?6 m; z- O( H3 }: B
let sum-time 0. Y: {* A3 r8 `9 |0 f8 v" z: a3 f( }0 n
while[i < trade-record-one-len]
5 U' Q; [; v; s6 t* A. C[4 m' e" L) m0 y
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
2 d& ^+ l3 R& u i2 c$ oset i
8 M/ w6 W! [' {+ v! H3 \, }- p4 y( i + 1)
8 \" Z) e2 p5 |]
# f, [/ t' F+ D! G- Glet credibility-i-j-l 09 H0 Q! H. L1 c( P3 E/ H K& P' @; I
;;i评价(j对jl的评价)
. B+ ]7 _+ N E& ]let j 33 w- |6 S- _( @- |0 ~
let k 4
! i% m7 U, A0 F% b7 kwhile[j < trade-record-one-len]
! M e0 l" L; [[+ w, }+ s. b+ ]+ I5 q8 u
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
% L1 ?$ v' K! l: S6 Lset 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)
* |# @0 q" T! F; wset j1 g; ?& Z2 H9 v
( j + 1)! _6 }4 F/ _7 d+ T+ S6 F" \
]% c3 G! l) {* K
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 ))
+ a3 s/ k9 _. Z6 t5 p) }/ B
0 n1 _, l; o j& |6 _: {9 l1 M& y T1 a: W. Z b" V9 g
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
1 s ?7 }+ v3 V. H6 y;;及时更新i对l的评价质量的评价3 S% y7 I( G2 B+ L- ^$ ~. m4 \# r/ d
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% z% G' _5 G2 B7 ?
set l (l + 1)+ C- I8 j8 F# o8 W$ p r
]2 X: W, x2 ~& K4 Q) B: L. s
end' j6 p- c' u8 L3 N% V q
! I( r, m+ x, L$ J; }1 Kto update-credibility-list' W5 S1 @4 J7 v0 ^8 G8 Z7 l) F( X
let i 0
3 q$ e; a3 ~) F, d9 vwhile[i < people]
. r- ?; p Y; p[
2 q# \- ?4 V4 M( H6 G2 y; Hlet j 0
2 t' ]/ o! @' L: ~let note 02 d9 Z- U( g4 o: X3 U
let k 0 y% V; x8 g& N5 B9 y
;;计作出过评价的邻居节点的数目
$ z; g; a- c6 q+ {# Gwhile[j < people]
6 J0 m! C& _& z) S j- J[
9 K, |3 s* e4 @( c ~if (item j( [credibility] of turtle (i + 1)) != -1): {( {( Q- a( w. y2 i
;;判断是否给本turtle的评价质量做出过评价的节点
2 z+ x. ?" s( L; B5 c9 p[set note (note + item j ([credibility]of turtle (i + 1))) c! u9 e: r: B; g/ {# q) u
;;*(exp (-(people - 2)))/(people - 2))]' _" w& K. c' Q+ O
set k (k + 1): |, @/ n$ M# ?/ E0 l
]5 O! ]% `, D# T, }( \: X# d8 g
set j (j + 1)
/ H9 M" D, |. ?: x- x$ N! t/ j+ g]
. M; J5 a3 `) O! E, N1 |set note (note *(exp (- (1 / k)))/ k)
% ]; _; W" o8 ~6 f) L- B: K. a( Tset credibility-list (replace-item i credibility-list note)
& _- {7 j* }0 T& L9 d4 Cset i (i + 1)4 A; U6 \% R: z8 @
]1 w! s/ a+ X! }2 P+ i
end% g+ N, U0 g$ K8 h# O
' O5 M+ Q9 ]. E( l2 hto update-global-reputation-list- b e! [( O9 a& W0 C' I$ w9 q! {
let j 0# w/ M! c1 i$ B! j0 i7 S6 ~0 O
while[j < people]
- m, W/ L6 t& _$ k$ m3 ~' K[
- A/ o c4 T4 ~) {let new 0
! M8 \0 ]- Q4 \& |2 X* C% ^;;暂存新的一个全局声誉
/ P9 P% s2 f% ylet i 00 ?# F+ Z6 g8 i4 D; o, I- i
let sum-money 01 b, d* Y) ], Q/ V$ i- L; A+ W9 q
let credibility-money 0
0 Z0 V0 q; Y% B9 c& J Cwhile [i < people]
# X' E+ Q7 t% L& F[
2 g4 `, s4 Q- T& r5 f8 C. eset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))). z# l$ c1 ]; F p
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
$ \0 j* L" u8 V" m; |: g" k6 ~set i (i + 1)+ C; |2 g# k* d: o; w: c
]6 A) P8 n" s9 L: M1 [) o& j# H0 p& ]
let k 0) N/ X0 \' C0 T7 O- _! P0 |
let new1 0( o& X( \1 |7 N8 z0 ?8 ^( v
while [k < people]3 {4 r/ Q8 @, f# J9 D
[5 z% S- A5 V8 D, [0 j# H
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)
; \6 C0 N1 r# B! W. nset k (k + 1)
: K( r9 p! n3 m0 H M% f z c) s]
/ h, P, w0 x4 u2 aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 9 [ c! T, F: d- D$ o: ~' m G
set global-reputation-list (replace-item j global-reputation-list new)
5 o/ f/ {3 A1 Sset j (j + 1)$ T5 D$ p: T- Y! f5 S
]! A' \* F6 [4 ~/ @
end
4 {( W# E. v6 T0 r; ]1 p g2 I* v/ W* O2 O! e
0 B& p! u) w- x) g7 e. G$ k6 ~0 B# t* y# o% w# `
to get-color% O- Y4 o4 [) G* h1 P( }
5 i- C! q2 H' O5 T5 [set color blue
( h3 r0 h4 G+ D/ ]: R* }5 [ R! B5 s0 a: pend
1 s3 N+ X$ Q& [
% A2 I# y- N( L2 ato poll-class
1 k4 A8 q3 s, g# }end! \% \6 o2 S1 O' [
) n, p6 ?3 |+ n6 Z/ m$ @ p
to setup-plot16 r" T0 q/ P8 t! u* ~
3 B; `0 m! L' b& z* k
set-current-plot "Trends-of-Local-reputation"- B: D4 S1 @3 \. E& r1 C/ J' w3 A
8 y+ D( W! B9 w5 M! C3 M# `
set-plot-x-range 0 xmax# H) v S5 Q0 l/ A8 s f0 `# w" K+ t
( K# ^) d7 x4 K% D2 L2 ~
set-plot-y-range 0.0 ymax
) \! l. c a% X; f4 T* V+ @: P) b, `7 Kend9 V! D; R4 P8 q U. D( f. l
. W/ @4 j3 L$ }# x3 Wto setup-plot2
3 [. U, M) a) P0 K. n* J
6 E \# t0 @: Sset-current-plot "Trends-of-global-reputation"
' D7 I' v7 f$ E6 v8 ?+ j. s
7 @8 T0 M2 X% y" Cset-plot-x-range 0 xmax
/ W6 `- [* K8 \) |3 k
: P$ ~$ S& Q Hset-plot-y-range 0.0 ymax
1 E2 @4 O: d; t9 W8 E3 n4 ?) Q% Gend
# `. C9 ?0 C4 x% ]6 J& j
% a6 a% L0 U; b' N3 Ito setup-plot3. B8 p. A2 |; `1 `# m
9 ?; F- p+ s5 ]7 _! M$ D" H
set-current-plot "Trends-of-credibility"
$ j3 H+ t5 n: O* w W6 y# A8 n7 r7 m
set-plot-x-range 0 xmax/ E. t9 \2 }6 s7 t
2 m S) T0 D( n; H, C
set-plot-y-range 0.0 ymax
4 E0 S1 N+ z! r; H6 } wend& |- K7 J4 X+ V; {9 m, A# p
& M- G) \" J9 _$ H' ^8 pto do-plots0 Y$ E" Q- x8 v `. j$ S5 |2 J$ P
set-current-plot "Trends-of-Local-reputation"
4 v, g) N2 s, y* f) d/ iset-current-plot-pen "Honest service". R: P6 L& V# d, y7 d# o" X1 H
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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