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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, X4 z; P \/ j% e
globals[8 Z! \: X% d/ _6 w* u: w
xmax( \! D2 O$ G, l/ d6 H" d& y1 V
ymax% s2 o, h' ^+ f* P. j. g
global-reputation-list- q0 v- c- V/ y+ N2 q' ]8 z
' v7 _, v* d" T2 t0 V6 O& Y* ^;;每一个turtle的全局声誉都存在此LIST中3 x" O9 m) V: U
credibility-list5 \2 e% R" ?; o+ n+ J# [
;;每一个turtle的评价可信度
4 H- x/ D. n/ K# M! Ihonest-service2 t2 S0 m2 j' D2 Y2 X0 h% \4 {- {# L
unhonest-service
. r1 Q! G& |! W8 _4 D: Zoscillation
% i8 e2 _6 D) g4 {rand-dynamic
- K+ k/ B! V" z/ y- R]5 L' e9 P) U2 z; r& m" ?/ ~, T
+ z7 ^+ S* T# A2 ~0 V% Y6 J3 zturtles-own[
5 E6 ?) V: `1 d: _' ftrade-record-all
3 D- J- ^8 A) o* q- z8 c;;a list of lists,由trade-record-one组成
* e' D+ P# I% g7 htrade-record-one9 D+ g! Q( i6 N, F5 Q: y( D
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
7 Y- ^. T1 ~1 Q. u9 e
: E) P% A3 B8 M;;[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]]
* k( C$ _$ @! ~& p0 p2 ]* y2 |& Ctrade-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]" |% x+ [ S0 `
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
% z7 B* O5 `; ?+ o2 ~. Dneighbor-total, p- M+ q5 m( R L. H5 I
;;记录该turtle的邻居节点的数目
* J2 U L/ X0 J# dtrade-time
/ ^. b/ U. w) _/ ^; y( C9 B$ ?;;当前发生交易的turtle的交易时间# S: F5 ^- w0 q' Y1 I# h
appraise-give
& _$ p; ]% W7 q. z" `1 _& V3 y$ S; d;;当前发生交易时给出的评价
% K& P# D3 R. | I' U- I3 zappraise-receive
9 F! z6 {/ P( _4 o' J;;当前发生交易时收到的评价
& ?) B" u0 h( x7 a+ m; ]appraise-time
9 W( A% g! k2 U, \4 @;;当前发生交易时的评价时间) P0 |; z( [, G" [+ Z Y1 S. a% }: ?
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
/ f4 Q3 f' D9 m0 Ttrade-times-total
1 P1 H8 A, _+ ]% F1 k;;与当前turtle的交易总次数
: T; v1 q2 w9 F+ @" z2 P& q0 ctrade-money-total% }1 }% \5 U1 E5 P$ P) s1 G
;;与当前turtle的交易总金额4 M4 b& T" o- W; ~. {* h# O+ N
local-reputation5 F6 ?, h; T6 G1 x
global-reputation" B: P, s# V3 A5 }+ z U- _
credibility5 ]7 F& W* J7 o2 w+ Z- \6 G
;;评价可信度,每次交易后都需要更新
/ F: f! B) v2 |0 d* A3 Ycredibility-all
4 J( `# s; S6 x: N;;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) h+ ?; y% w7 _+ S/ q
, _; ^7 g' B6 u0 [, a5 @8 G- q$ b
;;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 g. Z l# [/ _9 U1 @0 a/ L9 l
credibility-one+ k _7 S- h( 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
4 C9 H5 v* p9 Y0 p2 y1 {3 e6 aglobal-proportion! c- e/ C/ R' w# P% t4 V
customer% ?; \3 J5 t( [" H" c1 {% P
customer-no
: Q* @, [- O" g5 I& ^! g, y1 J" _trust-ok
6 O$ f$ I! g' P5 t" Rtrade-record-one-len;;trade-record-one的长度
+ P4 H! I! v8 L]9 S& c. p6 y7 W* s
0 I9 f& y0 R% ~2 B! z$ j
;;setup procedure t+ u/ r0 K) y
: a8 |9 c2 O ^7 x6 |% a* R F
to setup: F- S. [! x6 j+ t+ s/ j
% l- G _8 V$ E5 v( rca) d, e- G. n3 [' X% m Y
5 ?2 h! o$ M% Y$ E, l2 _initialize-settings1 f' r* S( X3 u4 O J$ [9 h
, Y) u6 g- D( g' k) z# b. F
crt people [setup-turtles]4 |% D- X# k1 @3 g* Y
" e+ k6 m) I- G. |$ C: ]9 dreset-timer9 A/ }, p' |6 y9 m
( O: [- M" x+ L. wpoll-class9 ~ V( w. ]1 ?7 F
9 H& b4 k" }* e" j) F& ^5 Nsetup-plots( K* L# P0 @& W: u: i- u. w
3 x' d0 T9 v0 z j: O7 Y/ Ado-plots
1 d% }' ^ C! c5 J" B3 ?% K4 cend3 y# |& q# ?: @1 ^3 R$ S
: b0 O% W4 N! H4 ^; o
to initialize-settings) q! s8 x. H" c) @) B$ H
- n2 X1 C. _! M+ l" Jset global-reputation-list []4 @- E2 ~1 ~$ T# Y7 `2 j, i
, m( i6 q; I# r6 c5 cset credibility-list n-values people [0.5]
" n8 |% u4 ]( H1 t0 H: S6 k+ T6 f E; c; N1 Q
set honest-service 0
% T, U! y0 a1 `& {8 u' d9 \
- V+ t" d. X) S y% q# Rset unhonest-service 0 F% C/ i7 G2 d' f, T0 M
4 N2 o+ }& G8 `8 [3 Oset oscillation 0
, ~! s5 T! w( P6 N/ n0 O- Z% y1 W* k* _
) z! O2 ` q! f; i8 i$ Iset rand-dynamic 0
/ Y0 r, ^) N5 @- R& z- Wend
/ e+ Z' v; ]) l4 E
, z" I9 w) E$ ~$ B* q7 `/ xto setup-turtles 9 a4 a7 J/ v6 {; e6 n H% |
set shape "person"
0 I# V9 h* H: Q2 T/ ksetxy random-xcor random-ycor
; Q* z [9 j# f, Z1 Uset trade-record-one []5 K( i# r$ u* A& z0 \6 F
; _+ } B( t% W+ oset trade-record-all n-values people [(list (? + 1) 0 0)]
8 J2 I, C% C( }
* C* w; d& V0 S/ M3 I4 G+ Z3 n4 Dset trade-record-current []6 H$ S' ?; I5 f( v0 p2 @
set credibility-receive []
/ E( _3 B$ r) d( r' G! @! @set local-reputation 0.5
/ A# B) s& u E a$ Q* A# F# Y* jset neighbor-total 01 k. n: U( {; q" O% ^* X9 ~
set trade-times-total 0
6 C8 Z3 f; _% H: H' S- U$ Y3 z: pset trade-money-total 04 c) ^& f) t+ Y1 @4 n) A
set customer nobody5 l0 \* [$ s0 }; t
set credibility-all n-values people [creat-credibility]# K/ H) h0 j7 N& z4 e6 G
set credibility n-values people [-1]
+ p3 R$ Z. Z% q$ h% i8 h7 dget-color
6 h2 j2 Q* w; q& p& J9 [: y+ b- ~% l. i% C& [- F' X/ k
end
$ l4 c- l8 W- t) y4 J* r5 D1 s
: l& P: p' e! ~% dto-report creat-credibility5 T; w- O, a6 v- V) m% g
report n-values people [0.5]
# _: B8 c. g! V- j" y: Yend+ r: w" q0 j9 |3 ]6 l) f) k
5 k! b: A% R8 Z6 L9 a! S% o" vto setup-plots9 k- D5 d- C o# I; S: ~' x0 |
. y7 p/ |: y; o6 ~% [! t& O$ \. dset xmax 301 W1 W; P, g. [" }/ M! s* F" S
5 \( U- p3 ?# N3 @
set ymax 1.0
0 j% a5 p( j5 r1 K _% q4 N$ Z2 v/ v; S* P
clear-all-plots
0 D( s0 U- S$ N) ]0 G2 B3 [- X
- F3 q1 o6 x! \0 p# X, d2 s$ a3 Ssetup-plot1
8 I* M. r, F! O
1 _& \1 }3 n! k2 n- @- \setup-plot2/ t2 f. d' [ k; p2 s+ v! K
" x9 t, S3 \+ \8 O: Esetup-plot3
7 ^5 r' ^# X. zend
0 m4 c0 Q5 v* U& Z" N8 b9 v$ P9 f' l- j6 M$ ^8 _0 X% i
;;run time procedures
* Z- W6 a; v- d5 x/ g. ~1 ?& L2 G- C! B& _5 g7 e) F
to go- q* h4 F6 Y- j5 [+ Y2 U$ b. X( n
% _8 N2 |, \5 a$ u
ask turtles [do-business]
6 i! q. g, j6 m8 f; C$ Dend6 Z9 P6 [2 K: l' b3 E
" y1 j# j% f0 s; ^9 b& V7 H7 v. J; tto do-business
. z3 N R# E5 S+ C Z G" s2 }9 `5 \0 H
' ^$ \2 E; v' X! H. s" r N9 j
rt random 360. G4 s5 U3 e# t6 h& L6 v- D6 g
" J. C& g1 K' y' C& [: Ifd 1! b) n( [6 y/ `' P7 F( s
6 t& }' s: l3 h
ifelse(other turtles-here != nobody)[
6 ` j6 h% L0 [ w) \* r4 c* ?/ V/ L
set customer one-of other turtles-here
9 {0 j5 i& I$ t# D* r' y3 A* g8 @1 W2 s C, H$ @9 B( }
;; set [customer] of customer myself [) S. x; T8 K0 w
( l2 M# n% h$ N+ a5 a/ Z9 k
set [trade-record-one] of self item (([who] of customer) - 1)
8 m) z' R0 G! r[trade-record-all]of self
( n2 m$ _( ^/ m;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
$ W* L8 Y4 ]8 ^% s6 L. H* h3 S% E5 b8 w4 {* s8 m6 u
set [trade-record-one] of customer item (([who] of self) - 1)" \" f& Y0 o. ^. C6 {4 p
[trade-record-all]of customer* [2 k) p' V9 P2 G) ]2 K
( N: \ c" @; l
set [trade-record-one-len] of self length [trade-record-one] of self; D6 R0 Z) k$ @6 G8 D
1 V8 N# P/ T1 i5 Q- y2 ]
set trade-record-current( list (timer) (random money-upper-limit))
7 O- t( }. P8 Z
6 }0 Q- b/ C6 G, hask self [do-trust]
) S( A1 `1 c0 ~9 ]! B$ n1 Y6 E. O;;先求i对j的信任度
! W# q4 d$ t+ e a6 c7 S+ i
+ y4 \# F+ O9 Y4 L- D# K/ E! f2 Yif ([trust-ok] of self)
* e# X1 d9 g Z;;根据i对j的信任度来决定是否与j进行交易[2 Y0 H& W, K5 t) C" f( C
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
/ j T7 n2 U( e6 ], {
8 J7 {% @: ?7 J" P3 m. u N[' G1 ~- Q. N! u- Y
2 r+ z2 Z$ C: O9 ]) Y9 Zdo-trade5 _( [3 z2 h) t8 X5 M' D
* G& {+ G1 r5 q' ~. b' v
update-credibility-ijl
" J' N' {$ d+ K3 v
1 _) R/ }# K" t% J& f9 T/ n- lupdate-credibility-list+ M4 f, c) h0 `% T
; l- I( g2 p& x! Z
) O* W; f$ P# K1 Y' z& B" Q% ?update-global-reputation-list; @' i7 H1 v% S, t, E& a
0 ]. t! l* b: ~3 i' m, Jpoll-class
; O6 f. D% J0 _) {# A* M4 U9 K R8 w) b/ e% X+ a, R8 {4 Z
get-color
% W: }5 ]5 v1 }7 u. O0 i+ l5 ]% H# n+ U7 M3 `: m& Q
]]& P) X: @2 R9 X
6 S- O9 I" |& [3 A5 d5 n$ \/ C: J2 E; p
;;如果所得的信任度满足条件,则进行交易6 A5 h! ~. X6 r5 _
; `+ ~& ?4 K/ l8 f
[$ F/ {0 r+ }& s+ c" f
x7 @% B# [* G7 w
rt random 3605 d* _/ n) p( d: O8 ?! n
- V8 a) O( t! R3 R8 i& F7 @2 Nfd 1
8 `. ]& g8 g) D9 N
: \( h1 M8 ~, D]. k0 K2 w) e; N4 Q0 }, k
# `% h6 z9 d4 Yend
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3 Z$ V% q( @+ i1 Y L( s7 bto do-trust ; P1 ]: a) q- c: m/ D* e. R6 ]
set trust-ok False
( X; D5 n! I4 s6 n3 ]2 C9 b) y5 ~: V: u5 {$ \
# e- e2 V" q2 m* [3 l- glet max-trade-times 0; }& @2 @ R, {
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
: E5 R, S: _6 c$ J" dlet max-trade-money 0 O1 z) e B+ B* l3 j" q/ u( ]
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
: N+ \+ K7 k4 Q4 z9 T$ Dlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
, P9 O; F' i9 _. d* x$ y' u( L6 S @' B, x4 u% l5 ~0 y
3 n" H G9 ?7 F8 e. V
get-global-proportion5 }9 B) r( U/ ? j( l
let trust-value
7 a4 Z$ T/ H# @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; J9 V2 ]9 n6 t0 a" o# V
if(trust-value > trade-trust-value)
+ ^8 L, j* e$ q[set trust-ok true]
. Z" W- H4 T4 L5 w* Gend; }' b9 G7 f# {1 i& `. a) I' g: L
& ?0 a# l7 a& _3 h4 Q
to get-global-proportion
) h. C2 E3 D6 e/ m; J9 Nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
) e2 a- Z, {: f! K[set global-proportion 0]
6 a% V& K' a- {" E[let i 0
) p2 r& ^. i3 plet sum-money 0# A1 \6 p% \% B+ Y! k4 E
while[ i < people]' w' M4 R) M8 } k7 u7 u$ L
[; T) m% Y/ X' D& K5 d5 [, q9 Q
if( length (item i( p* Q$ Q5 Q7 f* }9 z+ b% {4 c% s
[trade-record-all] of customer) > 3 )
1 S% B2 B$ ~% {% A$ L9 S8 t[9 M0 T Z) d0 D3 f) `" ~+ o
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))$ Q( V2 A+ l8 N$ h
], ?5 U! F) _ U
]
- |, Q- w0 Q* e% j- Olet j 0* u& \* H3 G- q* l% z
let note 04 d5 t5 K- C* t8 Z' A% X
while[ j < people]
& S; A8 [, N! }[
( a' m; V! ?& n+ |8 H$ |! yif( length (item i
! g7 z$ [4 F4 J3 g2 E. S/ p[trade-record-all] of customer) > 3 )
5 W7 ^% ?9 m0 j9 r* n: w) X[1 J3 t, T7 I7 R# v! r
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
* w; h& [$ r/ b/ \# D! I6 t[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]8 l) @# m6 P) _ t
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]4 Z& A; H3 b% V0 W* k' i/ ]
]2 H7 |' w* g$ r& _' P; L5 o
]
" ?; t- N/ x% [8 L: `7 F& eset global-proportion note0 \9 P& g4 e& ]% @/ k) I
]
9 R& |' ^7 Z2 t6 wend- q2 k/ ?' f1 l: A
& T; b0 b9 z; B2 Y* J# B
to do-trade
4 V) `2 ~; C) ~ x;;这个过程实际上是给双方作出评价的过程
6 @$ U: C) W) ~" F1 A# ]set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
8 m/ ?. b6 W: p: `4 c' E0 wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价: a; V: f, @6 U3 R! p% ]/ \
set trade-record-current lput(timer) trade-record-current
! R3 Z6 i5 k# l8 o;;评价时间
3 J* C* D: l, o. ?& }, v' vask myself [
3 T. L# J, B9 R$ o+ w/ v6 |update-local-reputation, J& D! S5 b" K$ H
set trade-record-current lput([local-reputation] of myself) trade-record-current H8 z9 W; J, n! M/ H! P
]9 X/ \' {+ m' P
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
+ g Q% |$ }% N;;将此次交易的记录加入到trade-record-one中! M' Y. B9 s( \5 B' H) O& X
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)4 m) U* } \/ r- D
let note (item 2 trade-record-current )( p) Q! o6 g9 {, E0 y# f& Y( }% G
set trade-record-current+ z& F$ H( s! M
(replace-item 2 trade-record-current (item 3 trade-record-current))* f! o% x9 x& g. V8 h
set trade-record-current
2 C# @$ i& a% \/ u( v) c0 ^(replace-item 3 trade-record-current note)/ n: R4 w" [, C7 T6 u4 m
$ J ^7 j) J3 }
7 k! r. q8 p$ A* [. S+ Xask customer [0 s' n( \* J$ M: x) e
update-local-reputation& {9 Y- [5 k4 N& e* f; l
set trade-record-current
5 D, x2 e3 T- L3 p( t& Q- n(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 4 b( {: \, [/ Y; p5 m
]$ k8 m/ [) ?. e' ~& l* ~
- }. u) j7 O* B, H; `* M' K( w) D
" J$ u- H. f9 a8 s* ]0 l8 M* ?
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer* v; p) [) q/ Y% W2 @
& c% B" t9 i$ ]& gset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)). ]) ]/ d: c; W9 c
;;将此次交易的记录加入到customer的trade-record-all中
9 e6 P1 C, P' n1 O+ bend
1 v; z% E6 f9 p r O% ?1 y
" l' u% o5 k; |3 }* F/ ato update-local-reputation
% x1 o& [; e \. c& A( V pset [trade-record-one-len] of myself length [trade-record-one] of myself
9 ~& F, [# a" T6 L9 M7 W$ s8 a1 W h* {, m
/ J0 d a5 V+ U2 E; t: O, @1 K. D
;;if [trade-record-one-len] of myself > 3
$ u5 w) f9 R3 G% Z9 J5 L" Pupdate-neighbor-total) v' d' ?- O( E* { P
;;更新邻居节点的数目,在此进行
) K+ n, l, J8 {) s0 `5 Klet i 3/ x6 @* g" v; M% u
let sum-time 0& G2 J" t7 s8 F4 l% U% T
while[i < [trade-record-one-len] of myself]
3 Q. Y; v( b3 M. F: {! S[
: q( T: c. o" m$ b% t, y$ sset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
" ^; ~# E8 p2 tset i. o- o# J' Q7 U- U4 G) U. r( _/ N1 T
( i + 1)
" F P7 [7 g+ m9 l/ O6 I o3 n; s]: C. [6 a" x! p1 M" ]
let j 3
2 N- M4 Q9 D _1 V9 B; Y4 klet sum-money 0 O1 j* |. t8 @0 [0 j
while[j < [trade-record-one-len] of myself] x S0 g! ?6 W: K. O8 g' h
[
8 |* k3 S2 a7 U) G5 Hset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
1 {6 t! M$ |) I Lset j; J/ y$ m) V8 B( G1 Z$ y
( j + 1)) }# P) x6 q) E2 [) o2 `8 S1 Q! m
]0 T( {6 g/ x% }" N4 Y
let k 3" E3 A$ ~) E1 e" r4 O
let power 0
' D q* f0 O( ?. I5 D% ylet local 0
8 V6 |4 ^7 a2 b* @8 |6 xwhile [k <[trade-record-one-len] of myself]
& Q1 N9 ^. Z0 e) A3 y6 u# {[
2 w( ]7 E" [7 O# o6 W( [$ _4 S1 {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)
4 `- m% g" o7 P& x& ]4 S- Cset k (k + 1)% \7 b. q+ X: b* w0 _. s' ~' F" P
]# u+ |- ?3 c+ n2 _' j6 B6 U' l' H
set [local-reputation] of myself (local)( Q" {# u- X R- G0 P4 C$ ]
end
+ N+ ^* h: u: E* G' T, C$ N! O, {, ^! q- T+ X7 h2 {
to update-neighbor-total
, d0 f. Z R6 a( l; ]9 D; T' o2 ]: n3 B5 {7 c$ e/ b' h
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
; g; q2 X1 k5 ^/ w( Y
) u/ b# u% v* B# B: f' `" Y
' L# l! i# N$ S) B9 Aend' h w7 ?* _. A7 l) E+ M
& f/ \ ]; O2 q0 ato update-credibility-ijl 8 L* ~2 y6 `: d
& g' y3 h( s3 a6 s
;;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。5 h: ?% R4 j3 C
let l 0( ?! R" o: Z& f0 a: @
while[ l < people ]5 L4 [! i* L$ i( u& A9 L$ ?: V
;;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
9 V' X0 b+ a' `( i2 z[
! P% o2 }) q3 S ?7 Y2 L1 {) Qlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
7 M: \4 v& w5 l* D& J: r1 l1 {if (trade-record-one-j-l-len > 3)* y; T D# D) ]- S# W; ?
[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+ ?0 |7 n
let i 3" F3 D# A" z, e/ L* c$ R) Y
let sum-time 0
0 p. T- Q H; X) J3 }, [while[i < trade-record-one-len]
" [: ^! ?! Z9 U. G3 `[# R |9 p f" ~" i$ a: E0 w j
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ }3 x/ \% @% K2 g/ { E7 }
set i
! p0 A& p. \/ x( i + 1)
- i& }* S" U, n, B. ]6 g; H) i- p; m]2 \' e3 ^9 w6 C" J! m1 u5 E, m
let credibility-i-j-l 0
2 l- {/ x7 U/ o;;i评价(j对jl的评价)4 n H; m- v5 p
let j 3
! P1 m" e6 ^8 y, b" D/ A2 ulet k 4
0 z/ q5 `4 |( b+ [8 a% ywhile[j < trade-record-one-len]
/ R% i$ H3 G% E% S[
6 q: y8 |7 g2 n E$ m% _- Owhile [((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+ x: L k; z! H; N; 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)3 Y; P( F7 m. t- U, X6 i
set j/ P! a" Q2 @: o; a
( j + 1)
1 M% L7 L% \1 h* R& z Y: n/ u9 U9 N]) m/ _, s8 d! u+ z* D0 d& D
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 ))
# C2 `" g' x* G4 g
7 r! Q6 h) [% U |+ F1 p n: h2 { C& d# ?
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))% V! e' B9 I" G- [
;;及时更新i对l的评价质量的评价
; { h: ?- V* t) \9 r: C4 [set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
( A" G+ d4 t7 l: n" @set l (l + 1)- y& j. T* Q' ~% D& n# q0 n- \) U
]" ^& v# L6 U1 P
end
# i2 }! f' q! \% o5 \$ D) g/ ~
8 |. Y- a- N9 a1 i5 Y" y9 {; Vto update-credibility-list
0 d: s4 ` Y2 q& ?/ wlet i 0
+ i R" P; D. q' U3 Hwhile[i < people]9 K$ o. s) `2 Y2 w% |
[" T$ w# J4 S- G e8 H2 G9 \' e* @; w
let j 0
, C2 r1 X& k4 M# y; B1 `6 [ Flet note 0
+ M" U4 C( j6 Q3 clet k 0& h7 j8 ?% c( l: o* U
;;计作出过评价的邻居节点的数目
9 w: p8 p" c* g4 }while[j < people]/ Q! _- v0 V. [: V( B9 I4 P# e- I
[ I4 ~( c) D: c. {/ A9 B0 z
if (item j( [credibility] of turtle (i + 1)) != -1)
3 U/ b) r' J2 z9 j+ h;;判断是否给本turtle的评价质量做出过评价的节点
- j% m+ I- g& Q8 J[set note (note + item j ([credibility]of turtle (i + 1)))
! v. |7 x0 }3 w' ~; f, D4 T;;*(exp (-(people - 2)))/(people - 2))]0 n8 W+ Z& B# x$ n K# h. F
set k (k + 1)* j" L1 Q) P) _7 u7 R" [) P" v/ q
]
8 G3 ?# X. ~# G) X. z6 v+ Mset j (j + 1)
2 c- h+ F+ t, a- O]
2 U. O; {# c! i8 j) aset note (note *(exp (- (1 / k)))/ k)
$ c: r" O2 c$ Nset credibility-list (replace-item i credibility-list note)8 F2 G4 D$ H0 V' Q% K
set i (i + 1)
7 Q$ ]# @1 ~- u9 I" m1 S7 _]
2 A; Q) A8 ?. Pend y- S! V. K. S( Y; Q+ G
4 \' S0 f) I5 P6 N7 X; ?8 {; G
to update-global-reputation-list# C+ W Q- D+ |
let j 0
6 C5 q* \- w1 A# Hwhile[j < people]" Z6 w; |" k8 J, G
[8 X% }, M; V+ f
let new 02 h( v+ n7 C; P$ w; m
;;暂存新的一个全局声誉; I M2 t. a( q! N
let i 00 n; d8 F+ m( _3 s
let sum-money 0
) A8 l" h1 L' w* g5 m+ `let credibility-money 0 Q& }1 Q9 I4 o% \& J) n/ C
while [i < people]5 Y' T" C9 V' f+ R$ t; p
[$ J; K: h x4 i+ M) T' D9 G
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
% }4 T' D' A5 V9 j& u, P% pset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
" ~1 s/ p* r- t. hset i (i + 1)- ?* b, X: M. q0 A* R
]% {( Q/ J; f6 N% d4 ^9 ]
let k 09 l/ L/ G2 M5 @$ [* Q( V
let new1 0" y" z# k, n' x
while [k < people]
: L" l! C' O7 S+ f, y! [8 w& {[
+ }/ m& h2 l. |! aset 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)9 c0 z) O8 j! s
set k (k + 1)% G5 T0 e# B z3 C1 k
]
% M- [; P+ g5 I, P; Hset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
4 _/ C" b! l* x) S% E4 `! ]/ pset global-reputation-list (replace-item j global-reputation-list new)
" { I1 R8 v9 C+ Sset j (j + 1)
0 v2 [& l8 Z6 H+ k% ^4 A: I, y]# X" v, i5 O3 O/ O7 Z! U3 D
end
+ l% S8 a7 r& o3 X$ C: G6 W$ @
6 w9 [% b/ P- D& U' F/ u( d% }" L( F7 d2 G2 c% ~. m
6 G3 I* `1 @/ e0 q9 e% K2 n
to get-color
) {$ O6 r0 _8 ?/ c$ c, X$ `. B+ b3 ~' h) i# S6 x5 E
set color blue, _) I. T! L% R! z" U& ~( x
end* V2 y' m7 E [& p
4 w$ M* J) U) Zto poll-class
3 V& ^& V! x/ B; F, Q; n6 xend
u7 } u/ p$ {: E* j& q8 X) \( X" J) t! F7 m7 g, `' o
to setup-plot13 y A# f0 m4 o4 C9 X) X: e Z5 a o
/ U9 o) F3 l- u. K' U8 u, s5 Oset-current-plot "Trends-of-Local-reputation"
O0 S& J$ w2 a2 ~- O
% _ @3 n5 C2 ~/ H8 k/ lset-plot-x-range 0 xmax
5 _9 s7 ?0 _, z p9 e6 o2 w: [1 x
set-plot-y-range 0.0 ymax
- b S' U8 F$ f! n8 Y0 \4 y" Y2 fend
z8 j; u) B$ X
4 N% I* l- S$ m6 f6 F1 }to setup-plot2
; d/ m& r. o5 o4 r
% l, N* u- e( F$ I( W# gset-current-plot "Trends-of-global-reputation"9 b) G& Y$ E4 I3 H+ g3 }, c6 }
) Q, Z0 _' r+ B5 Z
set-plot-x-range 0 xmax
; U5 L3 F I+ H
1 T, I- E( S9 oset-plot-y-range 0.0 ymax
; u0 [/ L- i7 Wend9 e; n* d; [) y' I( |& g2 w
9 b i: W" ^! x( t9 P6 c1 gto setup-plot3% j6 ]) }0 K3 f, Y0 Y
7 Y* E' k( M! i8 M
set-current-plot "Trends-of-credibility"3 B& \- x. e6 x. G3 i0 K0 z# a0 b# W7 @
# X; C5 V0 d! Q# S; q; G! f( l. w, lset-plot-x-range 0 xmax
2 N& J# L( w+ Y0 K! j2 I7 _. ]4 y2 P8 Q- e
set-plot-y-range 0.0 ymax
6 i) i/ d5 B% R, g# I5 h; Yend
v: M; _+ d# i* A0 \* C
6 N% Q* ]# v6 B s8 E. W: xto do-plots
2 u* o( o: ~% O# cset-current-plot "Trends-of-Local-reputation"
; x* D/ s: C" I5 g9 }set-current-plot-pen "Honest service"1 ^4 D5 H( R$ B/ p! C; Z
end( c+ C3 j, u$ J" i' z7 G2 n! g
/ D" b: D4 G2 K* M0 Q- ^" p
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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