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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
# X3 ^2 B/ p7 h' z. b% X1 `globals[' Q1 A4 R; p4 L8 V( ^. \$ W% u! C+ w
xmax( |8 \* R- C' _* I" I% t' ]
ymax( Q r4 p: `5 a
global-reputation-list c% f2 q% X: b) i2 G
4 P5 _5 b1 ^5 G4 J4 o. W
;;每一个turtle的全局声誉都存在此LIST中
" V9 Z8 f5 k6 f* I# d' wcredibility-list' i j6 R: K" ?8 S7 F( D
;;每一个turtle的评价可信度
. y# Z; ~# i( _7 W( Z* Yhonest-service6 A) U7 J" h; v
unhonest-service0 y5 O9 u5 I( J" L' e( p
oscillation8 v' m% g- g! |
rand-dynamic9 j. v8 Y$ ~6 c& W: S4 Z3 j# S
]: g3 P. U, K) y5 R( {# G" G
! L Q7 D5 [+ ?0 X, h) J
turtles-own[2 F% C% ~3 b2 i J# @. ^" x
trade-record-all: N* s) V+ V- C' ]- Z+ ]& g
;;a list of lists,由trade-record-one组成
% h% m# M D7 E& S; S+ ]5 V4 U/ Y2 Vtrade-record-one, S5 [9 U b, a4 [ I! T
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
2 a0 N# L( L/ h+ D
, O8 ^+ g8 J) m" f: B;;[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]]/ [7 a$ W. {( U4 U1 |
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]* A8 {' A3 ]* g, Y% j+ u; M
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' r9 W f* Z1 s" _
neighbor-total2 i* S y7 j) M3 [1 |" ]* S7 \. C7 q4 z
;;记录该turtle的邻居节点的数目# ]" o- z% M0 j+ N) C. t0 Q: H S
trade-time& C" E4 O, I$ j% h3 k4 B& o$ A
;;当前发生交易的turtle的交易时间3 B0 d+ ^* d, R* v3 o- l6 f
appraise-give
" K6 w0 T# Z. Z( S: n8 B;;当前发生交易时给出的评价
/ _2 e5 c4 Y' B7 S5 p+ e: dappraise-receive6 t9 M) c d! t. G$ F
;;当前发生交易时收到的评价' b1 Q" Q6 p9 A
appraise-time
" _6 Q+ h2 D, C;;当前发生交易时的评价时间
: ]7 g4 g/ P% N5 C3 h% Dlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 b) v# p3 o. M5 x: @ G% wtrade-times-total3 N& t ^5 f: A R
;;与当前turtle的交易总次数- t D% u5 @4 Z$ |
trade-money-total% B% ]" |4 [& T$ S$ D$ X4 e
;;与当前turtle的交易总金额2 p' l4 ]# w1 j; h! a% [$ M3 G6 |
local-reputation, L; p" E5 J! V
global-reputation6 T# C/ {/ M" m2 L' t3 y
credibility
5 }5 a1 h3 |! d- W;;评价可信度,每次交易后都需要更新1 @$ J: ^2 {8 w
credibility-all
! _. u9 T5 |, H* X;;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
0 e' E* T! _' H* s1 @. S8 A) ?( w' j+ _0 H3 V0 |) }, l4 d
;;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0.50 U! r# s: M- r0 w0 i1 p# z2 Q
credibility-one
/ H; P3 \; S `1 X;;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
# K' s, E) x4 `$ Z7 l1 Cglobal-proportion
5 A% C0 o! j. C3 f9 p. }customer
) o9 D" ` w) H5 Gcustomer-no
6 ^5 g' B0 k! t8 i" k! ctrust-ok
9 v/ X* t% f9 l l4 Y2 K, Q. ~4 Utrade-record-one-len;;trade-record-one的长度2 a+ F& p7 i6 u9 |. p9 c
]
( l4 C4 k* q4 z4 |: l
4 ? H/ k4 y( K; _;;setup procedure
) I1 x/ H) {# S* N& t& O
0 \; a1 v* c9 [% C' Qto setup
) y: Y& i1 G! f+ N" f
/ O3 B2 |7 j) d+ q/ J' I5 L. h" }( Xca7 l- Y- s' Q+ e# A% ]' w" T
2 x' I% F7 n) D+ |
initialize-settings+ p3 y( j( ]; U0 m# Z7 j6 t
- @" i; s) {: G: k: N4 Ccrt people [setup-turtles]
% {. F- C2 k' Z' r+ s: [8 r- H; ]1 |! @, G2 @) W! G8 ~5 ^0 Z
reset-timer
. A' o B% ]: P5 u$ C' d( p2 c# n# Q/ P
poll-class
# D4 u0 A* `% E4 ?8 u
3 c# Z5 z3 \9 M( [9 m& W3 w( fsetup-plots3 s0 l& h+ A) E' |3 o% V! j& X! H
( n+ C! s4 r4 v, t7 L+ X& e! q
do-plots
9 H2 m: W* K1 c! Q' jend
) ^ }4 N6 y" f4 D# N4 d7 | T3 W3 ~& x1 r
to initialize-settings! T. z3 E7 r. {& w+ |! T
& [. l( p# B: W h7 Vset global-reputation-list []8 K% |. S5 P8 h/ `
$ U, O6 p6 p. ]0 q6 wset credibility-list n-values people [0.5]2 b# ^: N( x! r. A3 x! R
1 H( M5 a6 o/ V. j# Eset honest-service 0
+ t" p( h" M/ r( q1 l1 R0 H+ ]
6 v( x0 x% W( [( W$ N/ V9 q9 dset unhonest-service 0
0 W4 a/ R0 f3 a* I- g% e
% T& J+ r( T" v& W/ U0 B+ |set oscillation 0/ r9 ?# o+ F, d# A. Y. k
2 S1 t* r$ [$ f+ o O* ~' Y0 h* Tset rand-dynamic 01 _8 ~+ I8 l. h6 y% Y2 s
end: b" X* `1 v% P! F/ ^) o
: j! a- B# Q' S: {' f: ]2 Z9 O
to setup-turtles
+ D8 T( P/ L1 Y- M& p- ~: F+ S3 n( Iset shape "person"
* I5 T& X! J+ a6 vsetxy random-xcor random-ycor! U" f; y2 i8 E. N/ [0 v1 z
set trade-record-one []8 s' v8 C9 U! I% M) I
- C6 \/ N, L. dset trade-record-all n-values people [(list (? + 1) 0 0)]
1 |" j1 k/ w3 g" m' h8 l' A- K( E& W1 @* W6 U0 R& w3 i
set trade-record-current []
) I6 ^) F* P" l, qset credibility-receive []! ~7 p7 _1 ]) N- a3 Z- C
set local-reputation 0.5" e7 O7 B! z; r2 c& i O
set neighbor-total 0% q" J; h- s$ }" b# r- q8 i
set trade-times-total 0
) E/ r% N8 T' v2 H. eset trade-money-total 0
' O, Y* J4 R" ]( n3 { c$ ]set customer nobody
8 m- w7 G" q) X. M! \, W0 r. [set credibility-all n-values people [creat-credibility]; I" m% z, K E; g7 k
set credibility n-values people [-1]: t, j1 O' `7 E( g: ^
get-color" {# d2 t6 _( C! A& i# \- _
% K. i, G+ P( _) n3 y1 Aend* t) [$ v, D! S
3 w1 a/ e* F$ @7 F" ?1 E( A- ^6 p" Uto-report creat-credibility
+ Y2 F% `5 ^* H; Vreport n-values people [0.5]# X9 s2 w; W7 Y
end
$ _" V" {8 @' w; \' I1 N
4 o) v8 O- e2 e* `# c9 mto setup-plots
1 B1 Y/ ~/ M8 ?: z0 \
8 ?. c, G" t4 x! g6 \set xmax 30
* A% T9 i M D& D2 R }0 F3 ]- U( g3 C! j$ Z9 I8 X; `7 h
set ymax 1.0- ]2 \7 L6 h4 z1 n9 \5 \
* M& ~# i/ B4 s E+ Hclear-all-plots* x1 g+ `! y& C3 K9 ~
' r- [ @" P6 ?& C8 j3 K: e, Z
setup-plot1
3 _, N: d+ q# `- I1 B" }( S" w' T
' \" ?6 \+ z# D# X4 G7 ]setup-plot2
5 p2 w) a5 ] D/ K4 }3 J# S
4 Z4 H% E3 K4 U4 z$ O) [setup-plot3
. f |" R5 S3 gend3 l- k0 K2 q. X+ v. z" f* i- W
9 S X s) g# `1 r;;run time procedures( l1 f2 M' k% H" m
. C* f. i. [" n/ J; ~3 T' mto go
! v9 _/ F3 t3 N) d8 i5 `9 r) H9 V; H& u* n, V4 D5 `0 t0 U
ask turtles [do-business]
9 ], B8 z1 W) k# t! E* v+ S8 X: Tend4 \9 s5 c* K# S$ `
$ k4 w* B% z, d
to do-business 5 y7 z: b5 E" u! O5 C+ U' J3 F6 K' @
! n6 i5 \7 V8 K; T
s( B) p: [: U' Mrt random 360
! W1 i) D% w3 |4 {4 U+ Y! u9 x6 c# x; n
fd 1 s3 j2 F5 r* O: ?
: Z" s; C! i# A# l# s. W
ifelse(other turtles-here != nobody)[
0 m$ G4 J) i* M3 d: f+ U& w; H9 Q. m, P# A. T) U" z0 T5 {" j
set customer one-of other turtles-here
! t w* L8 Y" O& q2 M& O0 R$ a2 ~
;; set [customer] of customer myself
/ B& s5 C4 J0 J. r5 T. @ A6 I! \: ?( ]7 N# X
set [trade-record-one] of self item (([who] of customer) - 1)
: Q. i, z9 O) [8 z% z[trade-record-all]of self
( b q$ z' O- a$ `6 }* e3 C;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self- Q- l3 \/ w9 M4 U) G
3 x6 [" J( F! c9 G7 k- cset [trade-record-one] of customer item (([who] of self) - 1)
- W. i, c2 c- l* M[trade-record-all]of customer) x4 m1 ]. x$ c$ i! e
/ _6 N9 V/ z6 Y; b7 d) I( N
set [trade-record-one-len] of self length [trade-record-one] of self
% W7 t: v# ?( E- @ m1 [
, X% _ x- Y; m0 B: g/ y: Tset trade-record-current( list (timer) (random money-upper-limit))! H3 r* a. o' ]; K+ P) Q
$ m [! w0 _) u: L/ T5 s. O) X3 `
ask self [do-trust]
2 c/ } W7 @- l/ M6 h( {;;先求i对j的信任度9 o' |# m$ d7 u+ f
8 ^8 C8 j& V0 k: pif ([trust-ok] of self), [) W' Y8 L% E1 ~( `
;;根据i对j的信任度来决定是否与j进行交易[
7 C3 X" f3 [9 x e# q4 s! Vask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself* e6 Q9 M" O: F, F; X% R
7 H! G: Q" S2 U% u4 t& ^; ]9 L3 M
[
; c# G: a) z! L9 Y0 d
8 Q; v/ q8 U9 i2 F' N. L% J- ydo-trade9 G B# r/ u! p K$ z% m
6 Q. q0 |. v \$ p( T9 u$ Q6 Z
update-credibility-ijl
4 ]6 l7 l$ c9 N3 i4 S7 h" m4 D' T m6 M' T
update-credibility-list
% `% o6 o1 j2 {6 a5 |$ x8 e* F( W2 U4 c1 a% j3 W
6 J& ~1 y3 D. z0 ]/ A( x* Zupdate-global-reputation-list
$ ]- J* J" I$ G" d, B0 F, \; Q3 U
# P3 ~, [, F! W3 A" B3 n- R' Q/ rpoll-class
, h j$ @$ I! z
8 t5 m2 [ k5 n1 ^$ nget-color
; P1 }5 q' G! M& {7 r+ y) h m
0 E! o# J1 b( p4 m: l6 F# s L5 M3 n5 j]]
/ y! C" A* y% d8 X; L7 q# e6 o) l1 r
;;如果所得的信任度满足条件,则进行交易
" u ]4 U+ ]5 _8 g- r/ q+ f# e& X% ?
[& P( Z& ], r4 G
4 [+ X- ~; P+ u3 ~7 q' C
rt random 360
R" d) P# ]9 V p6 @
5 S# y! q0 F) K! J; ]' i, c( ufd 1
/ d, c( H$ [6 o3 [1 L& Q# o7 o% H6 l1 s3 s' k$ i, {
]! [ ]" i1 N3 K: i
/ A% [* G; z1 V7 N/ x; Pend
6 W5 ^( G1 N8 c8 d, E# k4 X0 N
* i/ e, q6 Q0 a) Tto do-trust
( ?" @+ a9 x2 t( p# T, Nset trust-ok False9 | ]& _" t# `7 K1 U6 `
2 W3 i7 E! D2 G
" n) j. H+ B; r: A3 |5 [( Vlet max-trade-times 0
4 X1 H& `1 B. ?1 n8 Rforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ V) [+ j. |/ C3 e5 D5 W
let max-trade-money 0
+ Q8 Z: Y; b- U1 z% K4 oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
8 v9 m; ]. ^* h* \- Ulet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))- u$ j/ w: f2 \, J5 }
8 T& I- v$ {1 p" z7 `! S* v3 x4 c1 H/ y% e- E* W. T
get-global-proportion
7 W6 }) u0 u7 n5 E( y" V! y" e: ~let trust-value' P% p3 f0 k1 r e$ r* k5 r( g
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)
, [; @$ X/ }( s+ Uif(trust-value > trade-trust-value)
. u/ x8 F# }; w5 f% w[set trust-ok true]. m' J/ y! B0 S9 L3 B
end
: @. u( t( \0 l, ?. ~2 T+ L% l7 e5 D8 Q
to get-global-proportion% e% B ]" ]& g
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. L) ~4 t6 z! M" ]6 c3 z- R9 B[set global-proportion 0]8 \0 s5 I# w3 B
[let i 0
9 R5 m8 ?, \% W! h+ vlet sum-money 0/ Y3 p4 y+ v: p
while[ i < people]2 Z+ d0 y! w- c% Y
[& P( X c( p: s! N
if( length (item i
6 O" p5 b% [( f[trade-record-all] of customer) > 3 )- S# j5 c9 |0 l7 b# I7 e% E7 y# J4 i5 t
[
4 v# s* s! x0 K8 O6 \. wset sum-money (sum-money + item 2(item i [trade-record-all] of myself))# e v+ v8 p& V! X. O4 ^ ]0 P& _
]
5 Y3 P% C" S) E6 k- w]
. R% t2 }! S* H4 h flet j 0
0 X3 ]: Q# x( {. z! G x, tlet note 00 O4 w% I4 m( {" v0 x
while[ j < people]. O( ?/ @( P0 ~; S
[
$ P4 z: G: K& m4 Z) o) ]) ?6 V3 e [if( length (item i
) B1 \4 ~3 G$ O/ y% v[trade-record-all] of customer) > 3 ), f6 N& D7 k4 | L, W
[, S1 F; \* |. i/ q
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)% o6 w1 K- q5 b
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
* ]. e. Z$ n) e[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]$ [) b4 e4 @$ s7 D7 B
]
0 u5 [* z! a6 i: N3 A]
( |5 `7 _& l/ z: Dset global-proportion note
0 `% j0 p% j, c/ Z% }]! f7 X7 H7 t* v
end
0 T2 y9 d; [' W: b/ g& z
4 V9 j2 s W5 o. ^0 eto do-trade$ w0 ^, @8 w* k& \3 r8 \, X% a
;;这个过程实际上是给双方作出评价的过程
# x! o! T* M2 T& |) Oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
* i% U' k H( m, B8 i, Qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! n6 y3 M7 x2 `- b8 t
set trade-record-current lput(timer) trade-record-current. m" ~, u9 |" o0 g1 i* O
;;评价时间! M, Q7 z2 ]# t$ s3 p6 S, ?
ask myself [
, R0 |3 Y5 d4 K1 o. \, nupdate-local-reputation
4 C( V; A" T# s1 K% k* p. l$ ]set trade-record-current lput([local-reputation] of myself) trade-record-current
8 A; v: k& E' y2 d]
# {1 \1 l. n2 _; yset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself3 F: G+ n, Q H& w9 e( h7 e
;;将此次交易的记录加入到trade-record-one中+ S, n4 M7 l! @
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- Y1 q/ X3 e+ g/ A
let note (item 2 trade-record-current )
3 M a6 e: Q# M2 iset trade-record-current' Y3 w) h( T( \. w. f$ ?+ z* b
(replace-item 2 trade-record-current (item 3 trade-record-current)) \2 Z8 V* X* A# U; R
set trade-record-current0 H# d$ s8 {* c7 H ~" a/ a8 ~
(replace-item 3 trade-record-current note)% \; J% y, d( S, X3 b8 B% O0 ~
+ ~7 r5 f4 _. c5 a- v2 i
! e" s0 E: h; Z9 s( }7 {0 Uask customer [
5 R/ t, @, l, ]" S7 D; N4 |update-local-reputation
' M, w7 [, V/ h: c/ Qset trade-record-current
, v4 s6 I# C( Q+ c(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - e" r! u* C# a
]
- t0 f5 h& q; j7 h. }2 @) ? ?, }$ m! ~. x$ o
# [6 T+ N- z* d. Q. aset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer: z3 ]$ h* M& z' K3 B8 B1 A
: R& ^! w1 G. @ w% {; Pset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))! h7 Z# h& I7 K0 J |
;;将此次交易的记录加入到customer的trade-record-all中* W- l1 ~* P1 y* ^& c1 H2 a0 P0 X
end% o8 e7 Y& u* R: @& L2 B" K4 o
/ o$ K- L% F3 N2 N( L
to update-local-reputation: M2 o' s9 r, N* A! B7 w
set [trade-record-one-len] of myself length [trade-record-one] of myself
+ g# ~' o( ~! ]" O. q2 d8 f$ W4 [$ |/ H" t) w5 y
' z! Y* {) J. y6 R) q+ L;;if [trade-record-one-len] of myself > 3 7 X# O3 P0 f; Y0 Z
update-neighbor-total
& i# M, M8 q% ~/ K3 {! Z1 p;;更新邻居节点的数目,在此进行( {7 k& [/ V' Z6 c: C# I! x4 D
let i 3. q; ]7 X, l7 J% C/ k* v
let sum-time 0
9 `% q2 I. ]" R( L) N! Z0 }while[i < [trade-record-one-len] of myself]" ]8 E5 J a- O
[
1 J C% ]4 s! v7 { ]set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )9 G, \, ?/ [0 w+ u2 n
set i
e, @, Z+ U# }+ H( O. W5 }( i + 1)$ ~+ a3 }( |+ B: j
]
" U% c8 V' u6 ?3 H4 Y0 z" glet j 3
4 G4 P- o# i, j5 b, g5 a9 L# [let sum-money 0
3 B; {' w j3 ^/ \while[j < [trade-record-one-len] of myself]+ d- Z. a' I7 v; t `
[7 R& O+ l% n/ e/ L
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)
9 R- U6 c' G& a3 P- w6 s( B S, Uset j
5 ? w5 r R+ R) }7 a4 f( j + 1)- x: v& q5 \: D% D* [
] E$ x0 H O! {- q7 {% X, p5 X
let k 3
' R8 e4 H/ l, w+ `( z" D; dlet power 0) e. Z& y. S" g4 l% T8 R: P8 B
let local 0
/ T7 E& ?# e; A* ^/ N/ B. uwhile [k <[trade-record-one-len] of myself]
, U/ Y: a! z6 H$ O( p[% a$ Q4 Q& e0 y
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) 7 i6 U! E' x2 y/ l$ j% C
set k (k + 1)
" X& _7 I* R. h5 m- ~) w]
' R3 m: N3 F' J0 W6 yset [local-reputation] of myself (local)+ E& f* j) l1 |6 u. D
end
- y" X9 q& U) R; u/ T. H% p( q3 V7 |% v8 d6 G/ a9 Y! H& e
to update-neighbor-total
& I; }& i& i g: H3 @- C! J+ B$ z" y8 I
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 X% \5 A% _) y, N8 l1 H
8 ~4 R! X6 n- `; r8 x! R3 ^ F. Z0 r8 _' z' y4 s8 V; I3 O
end
# `, @" g {8 V. {& T5 D: N% p
2 m1 R) F$ }8 s9 Rto update-credibility-ijl
! J) D( m+ q7 }4 f4 |
& }' |& {/ y# U H8 `& J;;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。
7 b: s" [: O$ elet l 0
& P4 v3 k3 l5 W- i- |while[ l < people ]
* [7 O$ o! k' W, _5 K;;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$ L x4 ~/ X# A
[. Z P- {$ B+ P$ A
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 T& j) D6 a+ i7 mif (trade-record-one-j-l-len > 3)
: w N3 y+ e& b: I' J# G5 Y: y[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 Y/ I/ f2 K K! _let i 3/ b" ^. t" i" V
let sum-time 0
6 R1 f" n% T3 ~5 pwhile[i < trade-record-one-len] X+ p) Z& h- z
[
; r- ?% t0 T/ @: Aset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
\. l- v5 L: ?) n# L. t7 sset i
6 X' [5 V* Y& J( i + 1)
+ s3 t6 t/ M& Y5 [) ~]
$ e3 Z) l0 d( f+ A* k) j2 @6 \2 S. b) Clet credibility-i-j-l 0
; U z( d& d1 z0 d, p8 y;;i评价(j对jl的评价)
5 I% e* ?6 g! {0 q: slet j 3! ]6 j. i6 v; ?) d0 m3 F
let k 4
' C* H2 Q$ h( @while[j < trade-record-one-len]
3 k' m1 c' q: B: v- A9 d+ Y[, A1 d4 z, Z! r0 z8 E8 F
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& a7 ?; ]5 X9 S, @* P7 I5 n
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)6 @9 p% p0 @$ ^2 A) C6 n" n; s; Y) [
set j+ X) w% J, I7 i- r( x0 A e
( j + 1): i! A- J" P1 l/ Y
]- G5 T }9 ?" i$ O7 m# y% v
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 ))
4 V ? G( [7 s1 Z! ~. b
6 M9 J% O" B( H6 {% Q( ]( f, W' q. M& ^" x' u) l9 e
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
7 S8 _! y" R' \# S;;及时更新i对l的评价质量的评价
1 [4 s+ ?( J2 X2 kset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
, _- h8 Z. `" S7 Zset l (l + 1)/ a& u! b5 K6 ~- x: M
]
2 S! v% P9 |. Fend$ e) _" H$ E1 S [+ z
$ x6 {* C0 X; N' }to update-credibility-list
+ u i% _9 d: `5 _+ Z T; H* y6 \let i 00 e6 z% f8 ^5 {& g* }& C
while[i < people]
1 C7 P: P7 y- _- r; W& K O7 ?[
# J# c! {( M% j$ B0 m0 P1 Hlet j 0 E+ M! t& H' R/ ]
let note 0
% L5 q, N+ R* p/ Slet k 0 T8 {4 N0 I/ l$ i4 B0 v
;;计作出过评价的邻居节点的数目7 [8 g& d: x% {' Z2 D
while[j < people]2 f: A. C# B, j, J/ G! Y
[
/ F4 G; E, Z+ p6 |' W Z7 s4 Sif (item j( [credibility] of turtle (i + 1)) != -1)
' k( Q2 _# D4 g7 [; e8 u% h ?;;判断是否给本turtle的评价质量做出过评价的节点6 g, d0 V- x3 N; i' P
[set note (note + item j ([credibility]of turtle (i + 1)))5 g& b. b, z5 }* Y% d; `# J
;;*(exp (-(people - 2)))/(people - 2))]5 h' T1 m" E& H. K2 t2 j+ Y2 y
set k (k + 1)8 [2 K6 X0 O% l% |% J# G( S, r
]0 Y9 O2 j5 x8 Q. q, P# `
set j (j + 1)8 |9 x Y9 k' z* b+ d- f
]3 N' X8 H, p% l. e! O
set note (note *(exp (- (1 / k)))/ k)
- m8 n( d8 `& K& K" A4 n4 Gset credibility-list (replace-item i credibility-list note)2 [" _! ^9 w# i# _4 b: B
set i (i + 1) t6 o! o" W) z0 W
]; d- ^" S+ O: W( S/ `& N
end
. J7 @( L) {6 {( V1 l# c
5 c; u5 X% C/ H! }! C% d: vto update-global-reputation-list
7 |' r% z- W V) w/ E* Ylet j 0
1 ~6 M( `5 q; |2 Twhile[j < people]3 b; d* L% g0 V7 O; L$ y7 J' Z. Y$ Y3 l
[2 b- [3 E7 K4 a
let new 04 u! h4 b) \5 d& O, @; |
;;暂存新的一个全局声誉1 ]! D" y |# P- O5 @
let i 0
4 ^- D. N8 Y/ F# h7 I- zlet sum-money 0( }, B7 O# E x2 P1 S0 E2 J- V' H+ D) ?
let credibility-money 0
6 A0 o9 [9 T9 ]7 t0 j* x2 Q8 iwhile [i < people]
2 F, @ K O8 @! m[/ T: w+ k- m" K* H6 t% X
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
& f7 J C- a) eset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
$ K; D4 b0 G$ o- a6 N* G# e8 P+ G. {set i (i + 1)9 l0 R# h$ q) W @! C
]
* T& _5 Q" V [1 _& g, x9 plet k 0
3 X6 F) U4 d9 E, V0 blet new1 0
& z# P) a" ~+ L0 lwhile [k < people]0 d2 O2 J c4 T( _' k
[' K' w |* a& Q
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)
8 u& V" ]8 a2 K. gset k (k + 1)
# t" L# z) p3 @]+ V% Z# ~$ M) @% m5 E
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) : P# O! J; v! c, F, F0 K
set global-reputation-list (replace-item j global-reputation-list new)6 H; d/ j' [6 l; C0 C" q3 J M
set j (j + 1)4 {" S( G. V0 F+ K) D
]
: V& u3 w Z) `6 N5 ~: x9 G6 E7 gend6 I5 }5 e6 e9 U8 f
, y5 V8 p* ?7 o0 g5 m5 H
! v9 ?: W6 F" i2 K' V
y1 g' [* p5 _ f4 P0 H& mto get-color/ }( a) v7 Q8 e% P" B$ O
* N$ x9 s( Y2 d
set color blue M1 [) }' N+ P" F! u9 J- |
end
1 l/ q1 E/ n: W, @3 P% u; y/ q; Q' I* Z% Z
to poll-class o$ Q) w) h: l
end
7 \% \6 S: T. x/ y- O# b: Q' S p6 ^6 w/ M; c
to setup-plot1% n2 f2 J) ?2 ^9 J3 J
2 Y% s: I& J& c% K8 R' e! V
set-current-plot "Trends-of-Local-reputation"
! v- n5 V' {2 v. k6 V: h# T$ d( f) f. B+ x
set-plot-x-range 0 xmax
, D8 j" `: o$ ~' E* G" o9 ~
% c3 g0 t3 @ _; H3 z/ bset-plot-y-range 0.0 ymax
! e2 }+ K+ W( t$ Gend$ J& ?& C7 u1 o3 {5 U) u, J
, C) i! Q9 m. e+ P1 ]5 p" E* |" cto setup-plot2
& n/ ?: W( g2 t* }1 j6 X
; N: U9 p0 b5 k# \6 i' Q* Qset-current-plot "Trends-of-global-reputation"1 Y' ?6 W2 n! J, }6 L" [8 L
0 ~& a |; g9 q: W" oset-plot-x-range 0 xmax
2 {2 j4 C" K( Z5 ~2 p$ n
A- u) u* g+ mset-plot-y-range 0.0 ymax+ Q" Z n) Q7 ^ y
end
. J! @7 v- F# w; h' }' J; |# J- [! h9 j
to setup-plot3
3 t! d- N6 ~- \0 E# x# _( u5 r$ J, o( P
set-current-plot "Trends-of-credibility"0 I" J( X) V* p. t) H: [* `+ {
. `$ o5 X* v1 O. Pset-plot-x-range 0 xmax; b1 l/ _; X [
: Y5 g) T+ k& U( i* g' O" _set-plot-y-range 0.0 ymax; M3 W2 K: [2 m/ a. G* l$ J" e1 z
end
: z* t' [6 H: K; K; R) M& k1 H5 C* k
1 o) {$ }& g6 A: C* ^: r7 kto do-plots
: e) E- ]$ o! v; Q) @' z5 xset-current-plot "Trends-of-Local-reputation"
1 O# |; {6 ^+ \" oset-current-plot-pen "Honest service"5 E2 I/ R! W9 V8 z) h! r5 q
end; Q1 E0 v0 I, S9 {" t: R
2 z2 _2 E2 x% \0 @" [
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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