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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
# e% r& }% c9 aglobals[. o( d0 E9 O: s
xmax
# Z2 n! G5 e7 oymax
2 G- D; l- F8 g6 _8 ~6 T% Gglobal-reputation-list) ]" o) U# o) f" p: q/ m* M! D! L
6 U4 N* ?# a" \7 P1 N;;每一个turtle的全局声誉都存在此LIST中, ]( b+ d9 ?4 D7 Z, Z4 @$ |0 b
credibility-list1 A- g+ ^1 A6 i! M( Z1 A" `/ Q8 V
;;每一个turtle的评价可信度
) c/ `6 O7 ]' X0 s' s4 p3 ohonest-service5 c( `$ X; G' I" W4 k5 x! ]
unhonest-service
% j4 V( h3 k- o. |: _: I9 O+ uoscillation
' [- n7 ?+ v3 b' Mrand-dynamic
3 F, T' j8 u. ?& t1 T$ x' A1 m], a) |: w1 J1 } p) j9 C" G+ a+ F4 i
. K6 s" ^; s+ y, l$ Zturtles-own[; x% i0 t0 T1 k3 F/ C1 i5 k
trade-record-all/ R4 k. D$ p7 Y: v+ B3 O
;;a list of lists,由trade-record-one组成
. @$ [0 {9 {) n0 itrade-record-one. W6 ]9 P+ |. o# a
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录/ ^4 ~0 U% X! F3 m" }, q2 I
3 {& t) h3 S: n9 J1 [, d( t' D
;;[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]]' b {! m, F( z$ h$ v1 v* Z/ b, |4 O, b
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]
$ f. `# V4 A8 R D5 icredibility-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/ F) e8 ~: Y4 R- Q/ t4 [8 s6 G
neighbor-total: ` U" G* A5 Z; a
;;记录该turtle的邻居节点的数目3 G% e* x) b7 d% r+ d
trade-time) [- q B0 N, ^& T
;;当前发生交易的turtle的交易时间
* @& N/ ^$ p# e: D2 W" [# ^appraise-give
9 i& E3 x C3 c6 {* ?- T;;当前发生交易时给出的评价6 y+ t. v( x' `2 G6 G7 V; G
appraise-receive
. N5 Y- Y$ d( a, Z! A t;;当前发生交易时收到的评价2 z- _0 H" @1 H7 q* e) f
appraise-time
, R1 |5 d3 }& w6 P;;当前发生交易时的评价时间
# X2 B# `4 I; U6 o! l7 Z9 D& Clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉% R4 _' t. B+ j' g
trade-times-total
* x5 @3 ?& {. i8 D0 J;;与当前turtle的交易总次数& r( i/ m" F: z5 |5 E
trade-money-total
9 X' W+ w) K$ K ]' ?( G;;与当前turtle的交易总金额
1 h- w7 R9 E% J# i* }" glocal-reputation3 o U$ @* I" i% z5 S* u
global-reputation
2 X; o- x# y, W' r+ D( @8 [: l1 Q acredibility1 A0 l& v- H) R# ]- f
;;评价可信度,每次交易后都需要更新8 J' M# S7 E B7 J/ n
credibility-all1 P' r7 n7 p- `. r
;;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1 N: f$ y7 K: q- `
! Z1 G0 E7 t; X( 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0.55 p7 { J; T" O
credibility-one
& q1 T5 g* R$ M: l- k9 S;;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; j+ o; G; l" B
global-proportion
3 U P# f9 P# S# i6 | ecustomer5 @0 E' X1 e$ {& a
customer-no' H5 N# i& }; w
trust-ok( ^' N3 s J* M& n- R1 ?9 _
trade-record-one-len;;trade-record-one的长度
9 Y/ A' m6 f( U' Z: {3 g]
$ w- W/ N4 D+ l9 z6 d3 e* ~8 Y
4 Y6 y, B" f$ H4 }# ];;setup procedure( a! U- |3 M" p/ f4 _
9 j* H3 H. l0 a' s5 L7 Y4 J
to setup
! J, f7 L: ]9 B' |8 H0 n5 Q* N2 f, p9 J# i6 y1 |' y
ca
. M* g3 e$ X1 {& @% J/ P# O3 [5 M1 h6 ]! j% o7 \
initialize-settings) i2 r" R0 k* H! \7 ^7 P! Q( G# x& J
1 L& U$ @: ^# h: U
crt people [setup-turtles]
# L) B0 Q2 h6 \ v7 U/ V' B1 m/ n' A. ]6 ~8 M
reset-timer% _' v1 M4 J# s# B$ r6 [
. H' C9 P5 ^- O/ ]poll-class
0 r6 _1 `8 E9 F+ l0 J4 I" |2 _5 F8 k* }8 [( F# K T0 }* e
setup-plots
% A d& y6 p1 s, `- E1 X; ?/ g0 S D# O8 f- M' c V, Y( F
do-plots
5 U. H; v# u3 o7 F5 o; Pend
) j9 d* P( o+ j, b8 e$ J: ~' X( H& _& V8 w) f1 ]* F, V
to initialize-settings' J/ m9 l% k% `+ ?7 R
& z7 C4 ^6 |5 R5 k0 Mset global-reputation-list []9 H$ T) @0 E4 ~3 J% e( n
! K' h/ J3 C, t5 i5 c3 Z* h1 p
set credibility-list n-values people [0.5]$ p2 ^5 E3 b. q; Z: K0 ?2 Y2 P4 N
B5 O% M' ^& v5 q: r* z o
set honest-service 0
( v+ M7 m: f, ]. [# b/ P6 c: f e6 @4 K2 |. ?% k7 X
set unhonest-service 0
4 R+ _# F7 H: }
' H c. y6 M+ E, `$ d- eset oscillation 0! I, [" C7 w8 L2 b/ C* a* x
, V/ ~8 A( Q/ P* wset rand-dynamic 0
' Z) w- d p/ n4 h9 f4 h: Vend5 ~& n5 w* _9 X% d
0 c( M/ p, h* l" N7 M9 Z9 Y1 Lto setup-turtles
, R' R9 M# T+ m0 o8 \3 F, ?) Zset shape "person"
5 M* j/ d; C4 A4 |0 D7 E1 R8 Zsetxy random-xcor random-ycor
7 s6 K0 w) N2 U2 ~# J2 q8 Nset trade-record-one []
3 m- U4 m( D' c6 X0 T( }% i% f
: Q/ x! j# m& j7 ?" l/ Sset trade-record-all n-values people [(list (? + 1) 0 0)] 0 L, E/ B5 L; F- g% C2 }) L
4 ?! x( e% `9 Jset trade-record-current []. ^8 M$ m9 U M4 n
set credibility-receive []! ~, ?, O, j8 ^3 z* S. R4 {
set local-reputation 0.5+ S P' [% |+ X& r
set neighbor-total 0
+ D8 C/ K7 f3 C7 iset trade-times-total 0/ o8 \8 L0 {/ V$ O* K1 j& g* m
set trade-money-total 01 D) C! ^6 }% Q# U0 g) r7 T F. g
set customer nobody
2 Q# t& O3 u7 T2 b; a$ e# C/ l* qset credibility-all n-values people [creat-credibility]
+ g$ b1 j! J/ S# H0 fset credibility n-values people [-1]
; U$ s$ b# v' D7 M0 U# o, A# Kget-color
) E. q6 X/ x1 D+ T M8 J' Y$ b
! h \) \/ |& l6 x/ Oend% H$ \* `- A1 r" I9 z
/ Q& P0 N Q5 q) l& |& |to-report creat-credibility
2 v" N: m6 b% \* r6 y& sreport n-values people [0.5]
, Q: U- O' ?; y; cend
# a4 ~8 O3 q4 U( N% [% { a& X+ d1 [) h) G7 I' s# |
to setup-plots
2 v$ ` q7 c0 r0 j+ [' d# i- i7 w9 V5 }/ l. s
set xmax 30
1 e: H" q6 t- y ]- u: p# n. x K$ H6 G5 {' a) t
set ymax 1.0
$ Z9 D6 V$ W# V6 I$ }# T5 O: S" H: H9 V$ h9 w& A% o h! s, e
clear-all-plots9 N; r$ M! Q4 g3 O7 A- X. b) _
1 N3 b: f' i5 v2 gsetup-plot1
/ b9 [2 a9 m" { U" f- D9 U2 C" V
' K; Q9 C4 r5 xsetup-plot2& p1 [! m4 H( X# f ^5 h
; c( m5 m+ l6 S8 F/ S2 z
setup-plot3
) G E; V3 b5 E `* Lend% D) O7 m) J! [% T/ ~2 q
7 `: E# [) [0 r* x;;run time procedures, S. y; V! _; t
/ Z- W9 V/ u+ W% \' Ato go
: L5 I* r# C+ N6 o5 @ x, |% @9 ~' j
ask turtles [do-business]
' I" Q @: ~, L4 Jend
8 g* G3 C: Y! l( z$ C3 @1 c4 z4 j4 S$ \" U. C# P
to do-business 4 N; u; J: ^3 Y" @4 N
# W4 r3 W/ r7 Q3 P0 ^
* D- G/ l' P) ?& g
rt random 360
, W( M- W/ D8 B* L1 ^5 A5 I \( o2 Y( h. h
fd 1* ^" T2 }8 N( h! b6 n9 h
2 l9 @. y0 G: I0 H) m! ^( wifelse(other turtles-here != nobody)[/ V. Q5 z2 u: b$ n* o
( |" j+ U0 t, Y$ g6 O: dset customer one-of other turtles-here
! A8 p. t: u& m( w4 O. X( r/ ~
! a) V& t. Y/ W% l;; set [customer] of customer myself8 ]/ e# t: T2 d" d
, H% ~$ H8 d! W Z& [set [trade-record-one] of self item (([who] of customer) - 1)8 f- ~ e# s8 h4 u- H
[trade-record-all]of self& \: `. @% z0 V) q( |; H' N- Z {
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
! p9 O( l- x8 o1 N; x1 I `/ G/ t7 C
" l" \) y3 l W D# M% @+ uset [trade-record-one] of customer item (([who] of self) - 1)( T; Q/ N5 L' f
[trade-record-all]of customer
- |: [. W: F y5 z! z) F7 y* J/ y% f- {8 m( |! z
set [trade-record-one-len] of self length [trade-record-one] of self l7 k% M, k3 q: _( |" m$ e
' j" W. ]6 l& f5 M9 S
set trade-record-current( list (timer) (random money-upper-limit))
$ D: w. H) |, b- u: F ?
/ d6 B+ x/ Y: d5 z9 O7 E5 xask self [do-trust]
- M t: b m% }) N, \. T;;先求i对j的信任度$ o& A1 [: \0 H
* i# ^& W3 h) W4 W; O7 q+ a
if ([trust-ok] of self)
# s; v; P- B6 w- ]5 ~3 d R;;根据i对j的信任度来决定是否与j进行交易[
$ F5 c; [* w" w" u5 m: k; ~ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself6 H- J9 p m- B! A( w
' X. [) J% } b
[
7 h( o7 [3 c! m/ J, `4 p7 E8 W
) l$ \$ K1 [ n1 cdo-trade( ~4 u g5 p5 d) e5 T3 E
; D3 U! w5 t$ F- J3 R7 O1 H
update-credibility-ijl
! t8 }/ L V; g4 B" K
9 E) O% a& T8 q6 e c& h6 W5 J& m$ wupdate-credibility-list s) G: _3 s: T' l& Q* N
" C8 ]/ x F" w: l5 X7 B
+ F* \8 s* ] @" B* \8 qupdate-global-reputation-list3 S4 ]3 n9 {: p/ w9 U) L- j! l
1 x: z7 V' K; y* y, v
poll-class
$ ^6 A# m3 w4 p5 s1 u* H7 ~
4 v8 q" b, F! @get-color
2 x5 q3 _! C/ ^: M5 y5 ~& @( S3 L5 \
]]
/ S# U% s- U/ _* a9 t% H# x
% p! K8 @6 V& X) R8 i" K5 E* `;;如果所得的信任度满足条件,则进行交易
1 w- x; q- g5 J0 H" @: _" H
( U+ `. G. I. V) w[" ^+ r( i i2 s, P0 D+ Y- F
+ z& k+ y |) Y" i$ z0 W) P1 _7 Brt random 360: B' |" A& A1 P
& F% J$ X+ E/ y5 G' W) v# }) O
fd 13 R0 g2 ?! `" y5 v- q1 E9 K
8 O2 _; s- z1 J4 ?7 A4 H" g]
e+ \$ z: a- h. F% d2 F9 w* `5 T
end' D2 \2 L" O# T5 r7 p8 n! e' k6 l
1 z) l1 R* V3 F+ ^to do-trust
5 v, U# S3 u. g) {. lset trust-ok False* X5 j( \; `( g1 ], L
5 e* V: j1 {' V# N) X. P
b3 e: P) K$ @- T0 p, Plet max-trade-times 0
/ ]. m% i$ W4 b9 {3 dforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
- v/ I) D) Q2 a8 v$ Llet max-trade-money 0
' L( T& |0 h( K E4 l2 g7 zforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]# g9 M H& W: i
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 I1 u& B" a! s
3 F" }# U$ x; N9 v5 c8 g
' R8 i! y7 N! v' ]- Oget-global-proportion1 I# s6 U1 I+ O+ Q/ K2 @
let trust-value
& L2 E' p! X7 C, w6 A6 x \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 S& @0 ^# I4 T4 o
if(trust-value > trade-trust-value); q% N& q- Y$ {* A) e
[set trust-ok true] B P( C z6 h/ G, @0 N1 K
end
% x: W1 C. F: L9 U% u
z; x4 Q7 a( u% p* ]3 K: ]/ k5 mto get-global-proportion @' [, f; ~. Q4 [0 y
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)1 J u, g. w+ n, R$ F0 k ~
[set global-proportion 0]+ C- o9 P' c j0 x! G3 z- o4 n: Z
[let i 0
) u( Q/ @/ \5 R) ylet sum-money 0" s0 j7 v+ k( ]4 o; ~; y
while[ i < people]
$ ~: Q+ r! h+ v" k# [[, y/ \- R: H2 G+ x
if( length (item i: B- y" g. y) m) s! C/ n
[trade-record-all] of customer) > 3 )
, z4 @# U7 H. H5 k4 y[( K' {% e: I6 U; y( c
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))% |1 t) H1 ?! K7 b2 k
]
. J" _1 l. p' Z8 U' E" { @3 E]
! r/ B- @+ X% ]! D7 B. `let j 0
& M3 b I" K' S: `% j. ^7 Glet note 0' r2 z' {. w: l7 Y
while[ j < people]0 f8 t/ I, f" o/ F
[
1 G' n1 E- K6 N3 _9 C5 x) }if( length (item i8 y3 v5 K$ Q" i+ n
[trade-record-all] of customer) > 3 ), M3 z' M) d; [0 s! S2 E
[
2 @- E+ E5 S% ~* R; ]6 Y% Oifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( M2 n5 {- Z% J A0 C
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]3 h/ H, T. k" b# |/ k- Y* U
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]( L; k w: g5 K4 Z" w
]
! @5 H* J- |/ X7 n" _]
3 v1 t5 t9 w' @1 ~set global-proportion note
( f( K) g, j/ `]
* G w! h/ S) k/ J; d+ qend
5 ^+ h' j& k. _: H2 u5 S4 y; Q% S5 H
to do-trade0 B( B9 s& j; w6 m% F; ^
;;这个过程实际上是给双方作出评价的过程
3 c5 [; Y( T! C: A2 }+ iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价7 D' t# k$ j5 M' N
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价* H& U/ b: i' P P6 M8 B0 h/ s
set trade-record-current lput(timer) trade-record-current3 s& `9 f! `' R) Y7 Y/ r' c* o
;;评价时间
5 l( R7 V8 M! T/ _% Nask myself [/ c( b& k! I* N J/ _
update-local-reputation" ~+ U' r% |4 c6 Z
set trade-record-current lput([local-reputation] of myself) trade-record-current
- [2 l: \4 j* P+ V9 N]. D% Q$ P- |2 m% ^; Z% O. O
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 l/ I; Q0 J6 f) Q8 H0 m; u' T;;将此次交易的记录加入到trade-record-one中
: C3 P& a: H6 hset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)0 O/ R5 e/ U* L/ s, S
let note (item 2 trade-record-current )( m% J3 q& Z5 E+ v
set trade-record-current, U1 U2 u& n9 M# j7 J/ H' J. }
(replace-item 2 trade-record-current (item 3 trade-record-current))
7 B& |% o& P4 p% Mset trade-record-current
: M( o+ N3 I- n: Y. G$ i(replace-item 3 trade-record-current note)
" E! j! E, S2 N4 U, \: e: D0 p1 z
# H* y( w8 L9 v+ L0 {1 _1 v+ B* g4 R! n+ y
ask customer [
! D1 b9 V) i) [; y9 w6 V" P3 E5 fupdate-local-reputation# C* e# G: u+ k5 Q. q
set trade-record-current2 W1 k, r5 [: c4 z5 P
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ R2 s$ ^4 Z1 r2 Y- c) x8 p
]" H, T5 d9 G0 f6 _; @
$ R& W- O1 @2 J$ G6 p W8 z4 `7 H- ~3 I1 v+ l' m. O
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer% o* a- \0 N# {9 I0 u+ ~
/ q" t( I0 E2 G) p! t) H
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))2 t# F: R: Q& j8 E6 N6 G
;;将此次交易的记录加入到customer的trade-record-all中; z3 j: z1 a; W8 b1 T2 O+ Y! S( r
end8 D6 j A( e; d
`, Z1 B+ P, K1 Rto update-local-reputation# @4 a3 \" {5 G9 n
set [trade-record-one-len] of myself length [trade-record-one] of myself u) N w# @5 O' X
: j, g! }1 y9 m% B1 E; p1 F; I7 Y9 D5 M9 L O9 m' J+ f
;;if [trade-record-one-len] of myself > 3
; V$ ?# u" N1 i$ M, {' yupdate-neighbor-total& y7 z+ J, J; h1 D
;;更新邻居节点的数目,在此进行
. R, Z8 { U0 w. V' ilet i 3/ P6 ~& f3 [1 h; W0 V
let sum-time 0
& G$ k8 L$ P8 g2 ?5 P( P. _while[i < [trade-record-one-len] of myself]& K9 ?2 Y% X+ ^: f
[. B2 j/ M. S: u2 x9 k5 |
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )7 t3 H) J( v4 ~7 c" Z& F
set i; T) r) F7 V; x
( i + 1)4 V3 F; g3 a0 B" Z$ ?
]8 R4 ?7 q8 r8 w1 X
let j 37 a1 L$ d2 ?: g" c. d
let sum-money 0; A8 U3 h" I) x0 y' ]# H
while[j < [trade-record-one-len] of myself]
- \% b! R6 m, i/ [$ m( X[
; f( \- g$ U' T fset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
# ~7 n, D6 D" H$ K; c! ^set j; r6 d* A3 L \# \
( j + 1), R) \& D; t* j, H( O$ G$ E
]
: {" c( d: R7 U Ilet k 3* k3 K+ }+ K' f- P
let power 0
- Q% h6 o! d$ w$ o" I# `let local 08 a* }' `* e. t$ K/ S
while [k <[trade-record-one-len] of myself]0 X: Q. M8 Q0 {; _
[
8 M+ r0 f. w$ x+ M/ w# Qset 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)
/ U: A& x" V+ X Tset k (k + 1)' A6 t4 r! c: b1 J; r+ ~9 @
]
! Y6 d: d/ d* U6 J$ [" ^9 aset [local-reputation] of myself (local)- O1 v/ h1 D& W2 I# _2 y8 w" Q
end" Y u+ j* B' y
; Q+ M2 r2 `7 u
to update-neighbor-total% x: s: @" Z# g1 V6 b! \4 P) U
) J1 A0 q$ Y N6 S, d
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
5 E2 [0 w- }; s( P4 Z1 K
/ P, u* f$ X B; j# F' i- n
( h0 H& y/ D. ^. p3 Dend
3 T* t. W, ]8 K( V4 A2 {
+ F& {2 y. s2 \to update-credibility-ijl
3 n5 K# u8 a/ O2 j' w/ j0 h x
8 t& m: g- o7 M4 O$ W% k% h;;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。
0 E x: ?, l' H, `0 X4 Plet l 0
/ H) o' S8 j7 I) Gwhile[ l < people ]
- `; d% x' q+ z; y u;;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
" N. {" N L l) Z$ P- d[
8 Q" @9 s* L1 y4 vlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
. w4 M" \- I8 }if (trade-record-one-j-l-len > 3)
# {9 |" S+ d2 m' C" @ x# d[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
* Q/ ]7 \/ s) y7 Plet i 3
; q5 J; P( u& x. q) D' x2 elet sum-time 0
" Q) k- ?; b2 n" C- ~while[i < trade-record-one-len]( z5 ~) s2 @) Z% P$ i
[
. C" { a. T9 E7 T) fset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- u7 p9 e) X; I, y9 ~
set i
* ]. e( e" q- d8 Y( i + 1)
1 G2 K! A5 M4 n+ C, W9 q0 t1 C]& G% r5 X& ~# \- c
let credibility-i-j-l 02 \* `: k4 B7 p3 a2 {1 j$ @4 s
;;i评价(j对jl的评价)
4 R' u9 ~) Y1 P% D4 j! Tlet j 3
9 B2 b# T) r: T* ?8 ~! |2 Zlet k 49 N& e5 P( n7 Q, }
while[j < trade-record-one-len]
* G E1 ]5 H" {4 s5 x[$ l1 Y# [* Q) d9 @9 H0 J+ X4 Z: z
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9 X* I% ?! ?+ U, A/ ~% L% |9 ~
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)/ s; i D. @8 t6 K s( j
set j
2 ]- W# S7 a, r0 P9 ]6 j$ u6 _ c( j + 1)
' `$ D, m' S( \: b$ e7 M' h]' ~0 j" z8 m/ o4 M1 R/ p
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 )), C9 a. _( L4 n' i" h0 C) i% u7 x
' o' ]$ Q" |/ E) h" K
- m8 t6 i) |$ C' k9 k* dlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
8 i0 N8 \2 O9 I7 S8 x3 O;;及时更新i对l的评价质量的评价$ d0 p9 n2 j) j/ f
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ], \. n/ r9 B. g4 _) y2 _ A
set l (l + 1)
! t% m/ Y* Z$ j+ d0 [' j9 s]
) T# l t7 m& Q* W8 hend9 ~4 N5 ?2 g2 `2 O# n
3 {! k2 g; m6 u) ?+ qto update-credibility-list
8 O0 d7 C1 e! u3 O# [/ ^let i 0
+ B8 d/ B! l- g6 T" a2 g% bwhile[i < people]( ~0 {. _+ U* e
[. r7 A1 ?# d% k6 w/ W" b( p
let j 0
- s3 P( Q @, t8 y4 N. Alet note 0
8 g7 ]! ~: C$ G, b$ B3 Nlet k 0
$ ^2 ^$ d' z# L' r;;计作出过评价的邻居节点的数目6 k4 ~. {. m6 J" N- S) g) W3 ]2 C
while[j < people]6 M" `. O; C3 d
[
" ]( Z! ^" G& Y6 a' P7 U9 c; Qif (item j( [credibility] of turtle (i + 1)) != -1)- J' A! X1 s: t- O$ Z8 c
;;判断是否给本turtle的评价质量做出过评价的节点" q8 n# Z5 Q) ?2 u0 `( }1 c% y
[set note (note + item j ([credibility]of turtle (i + 1)))9 i; f2 Y% A& G3 t. `
;;*(exp (-(people - 2)))/(people - 2))]
' g( R2 Z: s( v2 Jset k (k + 1)
5 r4 C; _+ _$ H1 Z]
6 ]: i' K' g. x" v. _set j (j + 1)
- W+ ]7 c# S) ^1 Q]. i! p) v: [! Z& B, i
set note (note *(exp (- (1 / k)))/ k)2 }' W% o5 p: @* u; |( z/ _7 V1 a. |7 j
set credibility-list (replace-item i credibility-list note)/ e4 X3 j3 K8 F8 q3 x
set i (i + 1)
$ o k) U9 r. j7 Z# Y& [5 R]
! G8 B7 Y$ a. v) `& I& \5 kend3 t. y. n& M7 n \
, |. n6 t5 _) N2 L, N
to update-global-reputation-list
5 Y, K2 O$ ?0 {! T0 r- ~let j 0% p7 P- d" S, Y# d, |
while[j < people]
6 C+ y" }; F' ?* [; `# S+ s! m/ |[
* P* C+ f: u0 Clet new 0
7 M6 v, N f4 J: [6 q2 @4 g5 \5 `;;暂存新的一个全局声誉. u* c# w: o# ?% y. r, @
let i 0
) a9 P N! A% O) r. {( G& slet sum-money 0
) E, M6 d/ u1 p4 ?, ^let credibility-money 0% i4 ]9 n4 u& U4 I# l3 d7 k
while [i < people]
- i7 e" x5 ?9 O1 X% \# A( J9 d[1 p% q( F. Z5 L1 T3 H* t( c* s
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% _4 W _% g/ A8 w" k& A9 K2 Y3 v
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))6 G4 S& }$ _5 {- ^* b
set i (i + 1)
) `$ U+ H0 v: Z$ @; r) ?) X `" c]5 B) H3 u$ a& R- \9 T
let k 0
8 E# V1 ]. a D6 I. C$ ulet new1 0
( T; x5 l1 z3 @: @' lwhile [k < people]8 i1 ]5 W2 O* z0 i% Z
[
+ V) ]5 Y; l& i7 Q7 rset 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): ]" M4 E2 G, w" t, p& S5 ?. D
set k (k + 1)& U" L0 I# Q. Z
]
$ t" b K4 S9 ~set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( v) H; `! T" W
set global-reputation-list (replace-item j global-reputation-list new)6 j8 ~6 Z! C! k# {
set j (j + 1)
1 A5 `! n5 v- p8 U7 P" y]
e. k7 {, n3 w# w1 y4 Eend! b3 u+ Q6 j7 J& i6 }! @& U' N
3 S2 b Y% v0 {9 l7 F
; ~' i4 J! ~- a: a' W* c
4 v8 h+ c% ~4 K1 |3 Z# t! c
to get-color
0 v' H/ A$ c0 ?8 }: x' @% @
4 h8 e2 x3 C0 ~# lset color blue
/ j, C6 s6 @( m' {. Pend7 C5 C5 i9 O: M/ [. Q: X
+ Y5 f9 l! _% ?! x# ~/ ~* d3 s8 eto poll-class8 M6 F4 ~% H5 T8 L0 t, Q
end( s5 [. P1 V; R% ~
% {9 u* \* E8 o6 q' Y
to setup-plot1" E0 a% X0 v% K, J) m
; C: w e# P" A$ a0 @
set-current-plot "Trends-of-Local-reputation"
" B! { M: c1 N0 P5 n9 V
# N1 ~0 Z* @, r/ r; v0 sset-plot-x-range 0 xmax
H/ ]% Y$ T, f2 \/ f b
$ k6 g+ x9 E. W6 _; E9 ]7 M' gset-plot-y-range 0.0 ymax
, k. c: C* n h+ \end
2 e: f5 A. e, {% P% T! x, Z' G: b: X
to setup-plot26 \: d7 A0 h/ C/ p. \: Q
4 X0 J4 X0 I& Q3 M+ T# iset-current-plot "Trends-of-global-reputation"- u& y J4 m& B+ g
/ N) P1 r$ `; N, M5 V2 cset-plot-x-range 0 xmax+ C1 H4 |3 X" H% L1 v8 ^
8 @+ N+ a; W; n7 O7 [$ f5 i, W3 P5 Xset-plot-y-range 0.0 ymax
0 K) X1 ]! ^- `% I$ M9 Nend& z2 B4 \- z* L& j, `2 K+ Q+ S# S
7 E$ ^0 W% \4 s' n; K5 y
to setup-plot3& O$ N& X# ]2 j
* ]. I; s! K' u. Z/ d8 e" p* y0 |
set-current-plot "Trends-of-credibility"6 f0 D% K+ \& G5 V* N3 a
; e* _; c h/ y
set-plot-x-range 0 xmax
) z' w) n+ U2 d7 V2 C+ H) n! J8 l1 U3 A7 Q6 E! z2 P, e' D% ^
set-plot-y-range 0.0 ymax
# y/ o2 n# w5 ^( kend. ^1 Z( M* [$ {
6 o6 g0 o5 i0 q3 H9 e
to do-plots
" S+ N6 U3 y+ z! R6 uset-current-plot "Trends-of-Local-reputation"
7 F9 A% j8 Z" f' }# t' nset-current-plot-pen "Honest service"3 n. U7 ?4 R$ B V& i2 c
end9 ?" R5 G: }% G9 G4 R; f3 l2 q7 O
. G# m8 U' J! Z# V8 D" e[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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