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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: H6 G$ R0 S: d# Z% D
globals[! S$ H% Z9 `7 a, n6 k) y
xmax
* J; }1 S5 j; ?+ D/ K5 \0 b1 s: Aymax
. V* I( h1 x; |! Wglobal-reputation-list* J8 u" J4 m# o, R4 s9 e5 T
7 D ?6 y4 G9 u. W8 U9 y( F- J
;;每一个turtle的全局声誉都存在此LIST中
/ b- G7 `. y# M9 Y0 m# \credibility-list( d, M" o/ O% D$ j: I: V1 S
;;每一个turtle的评价可信度
$ }" x( S: g3 Uhonest-service
% R* v5 s. K T+ D* ?unhonest-service; j5 M; B8 Y( e
oscillation
3 }! Q, j8 Q5 Q/ |rand-dynamic
; z1 Q% C2 W4 }) K; l- D]
+ K$ m; Z$ }6 `8 g
. F/ R% D$ M0 Y9 r/ S, Yturtles-own[% ~ L* t6 D) @) K) A
trade-record-all
" `5 j' c& g+ X" l7 K; x$ u) b;;a list of lists,由trade-record-one组成
7 c0 N9 T$ F) \2 s% w2 b3 atrade-record-one" H: c3 j3 J& _- L- m/ P4 F0 e+ s. J
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录3 |7 [( O' ~& L+ L' o5 u7 K% X
1 H+ G. |. k4 I' S;;[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]]1 c& e) w+ X4 d3 ^% j5 k3 Q
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]; n% D+ Z; P- W
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; `: K8 x" S! W9 x0 U
neighbor-total
- a/ c) d" `& }/ O0 g s;;记录该turtle的邻居节点的数目) v: K) [. G+ |
trade-time
2 ]$ R4 k7 l, B7 L% x$ _0 i;;当前发生交易的turtle的交易时间: K+ m" {' {' f
appraise-give
0 y& t& ]( c; V8 M! n j0 D;;当前发生交易时给出的评价/ t& {" y7 U: z, `3 \
appraise-receive+ Q2 x6 ]0 W/ d2 P1 @. H! i4 n% K
;;当前发生交易时收到的评价
: M1 ^3 A4 ^/ U+ v) y$ t& ~appraise-time3 I# }/ M d5 k+ k8 h6 X2 q. x
;;当前发生交易时的评价时间
8 B1 a7 o0 b5 A0 Z+ ~+ H! hlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉2 A$ o* _1 ~7 ]: W% ?
trade-times-total
; m1 |; s* ]3 q- b- S/ E;;与当前turtle的交易总次数% l. C$ s1 V, @7 L+ N
trade-money-total3 j$ a8 H" S! A; i& m
;;与当前turtle的交易总金额
/ {) g3 _. m: O+ q+ Xlocal-reputation6 L/ p! t( K w$ K* W$ ]9 _
global-reputation
7 u X* ]' f6 I0 |$ I# t/ ^- Ccredibility
% k* S. w# h( M% _6 s$ E+ B5 I# h;;评价可信度,每次交易后都需要更新/ |' n) O3 Q0 S7 P6 Y1 m% D! T
credibility-all
0 }, U. p; _# ]! J6 y" B;;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
; h3 y1 t# L" g/ J# F
; u7 ~& r, K' T' Q. _9 F/ c;;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0.56 y" ]9 H, m0 w. R
credibility-one
9 N' w5 o3 ~$ };;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
5 m: D% r; ?8 [global-proportion" X4 B( N* u9 _! c! i: g3 M; Q
customer. C/ m7 ?. a- E
customer-no2 ]7 z8 B/ w; _3 O1 x: Q5 ^6 g+ e
trust-ok1 d5 U E; a1 T
trade-record-one-len;;trade-record-one的长度 X$ e6 A9 U7 j P4 V% A
]
5 F# K# c- m+ _( A7 c( ^# L4 w% j z6 e/ k2 o# j
;;setup procedure7 g! V8 t' M/ Q* e6 D( | }- b1 B
% b6 y0 r0 h2 U7 F! H3 x3 N" Ato setup
! j e; ]! R- j; m$ S T. s% j% \8 e( C8 B7 N
ca, E K& J: w, }; T) R8 h
, ?7 [8 @2 S0 n0 I, s. g" y; `initialize-settings
* l' p* }& W' o N7 D1 i0 w" o' ]
* e$ ?/ A" y8 T4 B+ K6 c7 Ncrt people [setup-turtles]1 Q5 C5 ^) m& e. |5 s. }
& A7 ~# s8 O% I5 n/ n/ [0 b o
reset-timer
- F0 L3 e" l, t! h/ l6 w
& r" Y- [" s* P' \( Zpoll-class
' q8 q0 c6 u1 y f( B( P" V
- ^2 B5 X. F- h/ s3 B5 ~; X$ hsetup-plots* y% J+ g) H( |5 J* b9 M7 m
' g2 p% x4 j% Z1 T4 x
do-plots" L, \* {# m$ m9 u* S
end3 _) Q% @" N* B- u' O$ r ]; S
' D( {* t1 w! [3 V& k( Mto initialize-settings5 B( |) C1 h0 f8 T2 Q- a7 L! ]
4 Q8 R5 j/ N0 R* _ Q( u9 Q
set global-reputation-list []& o5 V6 E; z! y8 J- a. z; U
3 o! S4 W2 _& r3 E2 Vset credibility-list n-values people [0.5], N% w8 [4 t- q+ y: ?
, N+ H. l/ E- | B, w% c6 m
set honest-service 08 n: |' E" M4 T& i: y
; p# x* A% T$ ?5 A8 c- mset unhonest-service 07 Z4 F9 R9 U& p9 S; d7 c! k
$ b+ D C# S' i1 `3 C3 v. k
set oscillation 0
* }, l: [, q# ^4 r. l# N2 E c* D) N @0 y
# O" `# O3 C# {$ [set rand-dynamic 0
9 C" [* }7 W* w0 i$ t2 P# L" |; kend% B8 k: d6 Y5 F c/ Q0 L& R
2 r5 r% b" L* K2 b/ a) t
to setup-turtles
6 ~( T+ O/ f P0 o8 Z, K# hset shape "person"
6 N+ b: }- P+ gsetxy random-xcor random-ycor, j: L0 ^: @% w/ b% z: g6 k
set trade-record-one []
: m/ ~, @: _4 }/ |# V7 P7 z& l
# m' c3 _- L) e# e, Xset trade-record-all n-values people [(list (? + 1) 0 0)] 8 L! @+ A. m; k/ K
' z4 ]7 k" u8 M* K2 ^9 Z
set trade-record-current []
; D3 @& Y/ g1 f2 \set credibility-receive []8 J& B4 h0 c. o5 N- \, x
set local-reputation 0.55 R) [( c0 G8 s0 l z6 W
set neighbor-total 02 N9 ]4 L) e' ]# l
set trade-times-total 0) ?6 L7 Q% f3 c! U) Q% k, ?
set trade-money-total 0
+ k. U6 P/ o6 O; |- U7 O* `+ Eset customer nobody
$ w3 n+ O. Z0 r- N) P' c4 Mset credibility-all n-values people [creat-credibility]* J/ C0 S- ^' A) M
set credibility n-values people [-1]
7 j& q2 N7 \, x+ x- c, Z6 i- ]get-color$ U; Q7 H0 ~5 ~
# s8 G; {7 h" I7 W5 U% Gend
: a( D7 G, k3 Q3 } x5 L
5 ^8 h4 u. h) X2 mto-report creat-credibility8 i9 ?1 ^$ C( m0 d
report n-values people [0.5]6 k$ F/ H `% y9 u8 t+ C" z/ c9 K
end
: n! e8 ]+ @: {- v: j) d/ f' @
7 w, {9 g1 K* V. vto setup-plots
! h4 ^) e J& ?. X& R- d
6 W; U! j4 W" N9 y8 `( l+ aset xmax 30! Z9 O% r$ N9 B( e. w
8 Z9 V" D7 ]: w1 N7 \. f: |% ?
set ymax 1.0
% a& l) [, x$ E o2 G1 Y8 J2 R* @$ |
* o) q8 _% ]5 n$ hclear-all-plots
# h) X8 Z v8 ]$ R7 J% z3 I" g3 t6 e; e) z8 b
setup-plot1( U9 r% K8 Z% n+ F; w
& j9 ^7 Q2 l, s
setup-plot2
) I8 [! O: ^/ X+ L! j4 X# d
# s, Q& Z; ^" w" R. f& xsetup-plot3
4 x: w, s4 I3 R8 K/ M8 J3 `8 oend
, }" |0 J6 b. b3 o1 t' t) q- W; ?4 u& X" p ?$ Z
;;run time procedures8 b- R& S6 O8 _; ^& |! y
3 E: l! t" S* t! F1 }: n
to go
# { E2 E! U y2 p& h6 [' n8 p$ @' i$ Y4 k) ]- f& r) C5 h* g* i
ask turtles [do-business]
( m+ H6 o5 o6 C# H% _: W3 Aend
/ L* A1 r/ u1 s( V% P; T
1 G3 I0 j2 X0 J$ F" gto do-business
% G+ P4 Y. |8 j% a- S [: V& \! F# z7 I& V' r- a1 L
4 i4 X8 j1 c6 y4 ^# `rt random 360+ C4 W: |2 Q9 n! g$ N6 K; s
( F' |6 r$ C, I6 h. u
fd 15 C: f3 Z/ k2 L# C9 l0 W! U& _3 C7 ?$ T
: v7 M* S. M3 A" y& B% A0 ^# b
ifelse(other turtles-here != nobody)[) i( V- A+ f9 g2 m2 j# w
& \, \1 [% u# A# oset customer one-of other turtles-here4 e5 O- s) Z$ t4 L+ t
. e5 X; W- X" g$ j0 k; ?) x( };; set [customer] of customer myself
9 N$ _2 |' y- {+ O5 w
9 P+ y5 s% a$ nset [trade-record-one] of self item (([who] of customer) - 1)0 X5 L0 c) B- Y2 v
[trade-record-all]of self/ r5 E. S5 ^" i
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
' a5 \& V2 ?: k/ e6 S' R: { E# X& f7 _7 e ^2 @+ ~
set [trade-record-one] of customer item (([who] of self) - 1)
- y3 H% J# [% P5 |$ N[trade-record-all]of customer
2 U" o% s6 y. u
7 @6 o9 c6 w& [/ s% _' s9 N+ Lset [trade-record-one-len] of self length [trade-record-one] of self6 v \6 v: i6 v4 O' E3 p' k& p
4 P6 n! y/ F v6 v- w7 O: {
set trade-record-current( list (timer) (random money-upper-limit))( }1 s) I- T/ n1 W! U0 ?
# y0 p# ?( D4 p0 uask self [do-trust]7 e: T8 [) r( O0 x$ _
;;先求i对j的信任度* d) a+ x0 l* {+ |+ J0 v4 @! q; z
- }1 m( a1 l+ q# |
if ([trust-ok] of self)8 ?" d E* |8 y. y2 _8 a- C, b
;;根据i对j的信任度来决定是否与j进行交易[
4 q8 r4 @" V9 P; g; Gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
# p7 _+ _- q9 U- u5 g. h
: G( D) D5 e7 _: J) X- }[0 k3 w4 P( L& ^3 D
# _# O" k& d6 ?9 y; J0 C
do-trade0 _6 A2 Z# }, I( ]+ v Z4 y* d; X
( ^" h6 f# ?6 Y& l* ]0 Oupdate-credibility-ijl
. P& s+ K! L1 Z7 K6 v- K4 X( ` D6 O: i- E. c& j X
update-credibility-list8 d* ]. f1 k( L) `6 _2 {$ v+ f9 F- L
4 A6 `! [; I9 r. q: Q2 q( @6 q& A" I O$ v# |7 z' M0 }
update-global-reputation-list
( v2 E( q. A# R. x
" V3 X2 B# T0 A% d( \poll-class0 O1 Y2 B! l3 e3 Q' f1 i
* T# B& |& Q" X b+ Cget-color l! b/ l" J3 a* V+ v/ U2 U; V" D# D
# z1 d, P2 c3 d4 k. s4 u) S
]]
: Q" }+ L' @6 o
' {- f3 k4 W0 m;;如果所得的信任度满足条件,则进行交易
1 c/ `( q+ H- n6 K, k5 M/ T+ _4 j: j0 s* n& Z& |
[) R% o9 x* [! ^, T) }' K E, g
* @0 \! u0 F0 G$ K, r; a$ ?, vrt random 360) s3 V5 V6 A) p& c4 D9 z9 u
4 A5 B0 S+ I G/ `4 mfd 1
/ d; k9 b T. F. u+ K y8 s+ W1 Z* A2 S) E/ [" m
]1 c- _8 A% v/ o" D& n+ j
7 f% O8 p/ W$ h4 ^" i9 z# uend
9 d- ]8 ]* j& [- Y5 o- i+ @$ H, g$ K: k, I5 d* D. y
to do-trust 7 E5 ^3 P8 Z$ M
set trust-ok False5 |* M9 ]7 Z5 B- \* H1 n: r5 M' q; a
: I4 g$ q* T( U9 i- S7 c& m) c8 p$ Y3 A. U0 x- S
let max-trade-times 0
1 l# p6 K! H, J: l1 _7 r* Zforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]# L& u. {% X# s5 O9 x
let max-trade-money 0' R' l2 W5 Y$ B; i. e7 g: a9 J0 x
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, @6 ~& b. |, ?: w% Z% O- f/ w( ?let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))2 T" ~- g2 q2 R9 e' _- b& X! ]! t C
3 e; J( h+ ^. W0 `1 y- z9 Z* _
6 o N+ ~: p' l5 o2 y8 Q5 oget-global-proportion
9 G1 _( V" v: n- N2 j n/ N- `let trust-value
4 p5 y) r* 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)
* [" Z& m- ]/ a- I% S# y tif(trust-value > trade-trust-value)+ O& A, N5 d7 O
[set trust-ok true]6 ^ K; @0 c. W6 ?& a! `
end& t8 x x' w1 y( t3 c
" z$ V1 S- x" n) kto get-global-proportion! _) V* s9 w- H+ O6 m8 _7 C" Z
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
( B5 P: b& ?$ f- D* n/ M: z! r2 h# k[set global-proportion 0]9 N0 d+ s. U X/ o R) Q- A
[let i 0
' |# |& @ f2 O* Slet sum-money 0
; F$ z# |; U# g' \, ~while[ i < people]! Q- N! t6 q5 d9 g8 Q
[7 S& V6 _, [8 G- V+ W+ o
if( length (item i t: F1 z8 k1 u6 A' G1 F
[trade-record-all] of customer) > 3 )
! T9 [1 S' |2 C |+ z& [3 v0 o[
$ @. o# \% v0 O, l; Zset sum-money (sum-money + item 2(item i [trade-record-all] of myself))3 I* B- T1 u# B1 ^: i. P
]& ]' p% w. t( v* o5 X
]9 E: D5 v2 S: @3 I% M: |: O
let j 0
) z; K9 R5 L9 ~let note 0, Q' {$ |; @) l+ i; }) k/ _: L
while[ j < people]
, C" C5 ?9 a; u6 Y4 y/ q[" J, m: L8 a5 y, L: h: J: P
if( length (item i, `: K, R4 Z( w! E& g
[trade-record-all] of customer) > 3 )( Y l8 K) @6 o# X" ]3 i* [
[! A& a% J" l& ]4 Y* ]7 R& ]6 M/ n
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). a3 b; @9 ?2 b1 x9 r* Z( P% `
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]+ q) E9 u8 V- p# `" |( o
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]$ i: U, P. g/ W W; |7 F
]
2 @5 v( i" r9 W]! L) o& ]+ j2 }( c
set global-proportion note8 O" B& q1 D3 I3 Z4 U
]
6 o3 n* \- W: E& pend
+ D4 i1 `% y1 d8 V7 i. [- i* T& Q' N& v
to do-trade: q2 s& }) c5 X4 r' U
;;这个过程实际上是给双方作出评价的过程+ _# q* J0 ?! _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价+ t. {, u# o/ \ l/ \" J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价. V+ u5 l& N, [0 v3 v6 Q9 v
set trade-record-current lput(timer) trade-record-current
6 q9 I4 [9 C, B1 K7 D) N;;评价时间
: e1 M. X3 i) b/ ]. i3 E! }# V0 @ask myself [
5 `% R5 {& {( I/ r* G7 Gupdate-local-reputation* Y/ `/ u P1 ^3 f/ w# e* K
set trade-record-current lput([local-reputation] of myself) trade-record-current
0 |. e ?. V& v6 H# g: K- ~]+ y- L. S- b& n, S) i: ^# F
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself3 y: o6 w+ [0 c
;;将此次交易的记录加入到trade-record-one中' O( C( K% U/ L% h5 X; P
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
7 T, n: R }. j, l/ n3 x9 e) ilet note (item 2 trade-record-current )
$ V; O7 k) x1 Q* a: f+ k# f1 t# N' G, Kset trade-record-current: V+ d* k- F* C4 K# q6 L
(replace-item 2 trade-record-current (item 3 trade-record-current))& g4 o8 T( |& K d" G$ ~7 Z
set trade-record-current
) I+ w7 @# E+ l0 X9 C( F0 q- X(replace-item 3 trade-record-current note)8 @) @1 j# v6 p1 D) N
8 a4 p |. `0 w
. X/ T; W$ _7 |% B0 p; g; N1 iask customer [2 u# M0 o a1 O3 L. ^* R
update-local-reputation& p( [9 H+ C; S
set trade-record-current$ a7 O1 K6 n! y8 p
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
7 |0 W: f6 X, p# Y1 j! e: p% a9 C] Y5 u0 w% q3 M1 C: n
3 F! w Q8 t, R6 W' }1 L
]' z5 c5 z. q1 fset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer- O A8 C0 V1 V" n& z( j
; H; J6 R7 d3 X: |/ L9 w) v
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))4 Z- M8 z' k' {) I& S1 D( W
;;将此次交易的记录加入到customer的trade-record-all中
' o% z7 s- j9 {# M& ^end0 e5 A8 Z" Y. H0 \) d
2 E0 T6 j1 \, Q g) ^0 y
to update-local-reputation
% C5 a4 x7 x/ C" m9 M8 t' I0 F, Nset [trade-record-one-len] of myself length [trade-record-one] of myself
$ F9 J# o$ v) T/ M) Q3 ^7 j" N, g8 }. s0 \
/ a: R. Q8 L) ]) b3 X
;;if [trade-record-one-len] of myself > 3
% A" o; M0 o$ H6 V- c- xupdate-neighbor-total
7 Z6 q/ j, N# T, B; e" l+ {; ~( };;更新邻居节点的数目,在此进行2 v! ]4 I% e+ j7 ^6 B3 F
let i 3% v+ s" q* g& V5 J- q U
let sum-time 0
+ C$ J6 ?+ _) X" U8 m* y+ Swhile[i < [trade-record-one-len] of myself]
( ?, H! x) D1 A& @6 M, t[$ r' `0 g( H$ y7 q X. F) o
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )9 ^+ N; z1 N, |& Q, X
set i: i. k# T9 k) V
( i + 1)
3 ~. q0 N/ G3 a9 M] \9 p4 `" h( m1 w
let j 3
7 \* r5 Y) g9 U- ~5 D- d0 vlet sum-money 03 R# @0 N$ q& p- |; }% l
while[j < [trade-record-one-len] of myself]# a' T6 g' v) D( V+ V) S) v0 G
[8 ]/ y4 X$ V* {. H: Q; u* F
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/ z* D ^1 y; R/ q/ q% gset j, k0 M0 l! F8 M6 k4 a9 z: J8 e
( j + 1)
7 g4 \1 j9 T7 a" v+ f]9 E* }7 b. L7 x
let k 3
0 n. S- H2 e- y. ]let power 0
) O) F& V; ~. C* G$ plet local 09 O5 b, Q# i! g4 z) ^8 j
while [k <[trade-record-one-len] of myself]0 k- q4 S7 y" R+ C4 g, x
[( T1 ` P& a5 p$ _3 Z, B
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)
; D7 n5 P4 {$ h/ Z; p* Tset k (k + 1)
6 X* ~8 f' y' g# l# H# S# d5 a]7 G+ I! }( i/ M+ ]0 a' b+ B Z
set [local-reputation] of myself (local)
: i; V4 o7 y& k4 q9 S3 m, u/ aend
5 E( y9 t5 k) s" ]( S% x) U5 p9 D3 n# X! K' \$ F1 V
to update-neighbor-total
: T4 I, m# ~5 O- _0 \- n' {
4 m% J. l# Z5 L7 Q' I4 k% Sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]; t" X! s2 }2 _' X
; o2 y$ K, h" F& c8 J9 o, Y* J- p4 b- l
; B* Z( c) E# l, l! `
end7 x4 K- A1 M- O$ _2 I
) v7 ?) m% H6 S$ u! k% q$ p( ]
to update-credibility-ijl
4 g& U$ J; z6 A! \- G8 r/ s8 Q6 _- d* u+ _
;;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。
/ U' m" v3 T( @let l 0+ B# G; q) t$ f6 `
while[ l < people ]) P9 T' H! s# {% h6 _% V: d
;;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5 `: L; o; q0 E( z4 ?3 q
[) }. i+ d* G- g/ R! y
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
8 Q$ \! A8 ]$ ]' ^: m0 f" f3 ?3 Aif (trade-record-one-j-l-len > 3)+ ?3 \* ^/ J% S, i
[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-one1 |: c0 b o* v4 x3 X
let i 3
' q8 Z% c" R1 g$ h, N% m" J, jlet sum-time 03 a7 {$ f9 ]. y2 e: _+ R+ x& E
while[i < trade-record-one-len]; n7 ^0 i2 j" ^6 }: b' ^
[
@0 }7 i2 ^% ~: c2 v- wset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
3 N8 |& t2 Z+ m* y6 }set i: @ G2 d: J/ x( S
( i + 1)
2 i% N8 Q. Q1 d8 q. ]8 r]
- a$ J1 t$ @( ^) }2 dlet credibility-i-j-l 0
! y1 B1 a: k& \0 n7 v3 k( h8 O;;i评价(j对jl的评价)
7 z/ A: q3 g G s+ ?let j 3
% q4 y) c/ X& R+ @! Klet k 4
# \3 r1 p$ w4 [3 g$ K) ?- M* dwhile[j < trade-record-one-len]
, g# |# A! @0 l. R[
- G0 ^& m- v0 Bwhile [((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
1 l) u/ z" C5 Wset 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)( J. l/ c4 _: J8 a- l
set j4 n! Y* C6 i* S) t
( j + 1)& j2 J2 b5 D/ e& E
]% u0 L( s2 f4 S9 r- S
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 ))
l4 t4 a" t, J# s" R; r( l3 Q; S8 w4 ^) k' y
$ v/ d3 Q% y- ilet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))# p# [ L3 ?: D
;;及时更新i对l的评价质量的评价. j# w; D3 F$ R* O. q9 z
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]: O1 Z$ d/ ?! a/ p% X, C& P
set l (l + 1)- Y2 J3 V$ c0 z1 ^ F3 x; o
]6 Q9 i9 M6 T( P8 L
end
* u$ B4 p* B# a1 l: A$ C+ M& X6 {
to update-credibility-list
, m+ g* o. b) ~. ?5 Y4 V" H9 j& zlet i 01 {" ]$ s0 H5 @ _2 t
while[i < people]/ f9 |/ }) W- L5 |3 }0 O2 j# t
[; K6 _# Z' d; u1 }- u2 w
let j 0
2 V* ?" ~5 _) K) z- b2 Elet note 0
& g0 E$ T) H9 Xlet k 08 J5 U( p) i1 b+ e
;;计作出过评价的邻居节点的数目5 ]. ]+ A5 \$ u" W& y
while[j < people]
0 P1 L5 f x3 ~3 Y" J3 w- y3 {2 z[. T8 a5 k& j4 T6 E* d: ^
if (item j( [credibility] of turtle (i + 1)) != -1)/ u' M6 f$ Z1 y& j
;;判断是否给本turtle的评价质量做出过评价的节点* V& @' L& t- {6 R
[set note (note + item j ([credibility]of turtle (i + 1)))
' W k/ [; E6 i1 z: s9 ];;*(exp (-(people - 2)))/(people - 2))]. b4 b0 ?! O/ {% i7 o
set k (k + 1)1 ~) L. j. J) j. P' o0 F
]
% ]+ a1 r8 @2 Aset j (j + 1)
" ]% I1 [. Q# F" Q$ ]6 q, t]
9 M% @. g9 z3 T* ` Dset note (note *(exp (- (1 / k)))/ k)+ [+ f) k. w Y. o9 Z
set credibility-list (replace-item i credibility-list note)$ S. {+ E7 H4 P$ L' Y+ m
set i (i + 1)
- f, H$ a W4 G7 E- A( d]. O4 c- q1 i& s2 ~
end
- s& I; Z+ T% n! f- Y1 G4 Q6 {% y+ d& S5 k7 \4 C; Z
to update-global-reputation-list9 q0 a2 a2 T6 p$ H! l, A' m0 K
let j 0
. q' Y3 i+ x! n: n% ~- m8 {( u) awhile[j < people] G1 ^( ^) u3 n
[
" S* k% F( J5 B x1 klet new 01 x- T% i$ ]% P4 E( \3 O
;;暂存新的一个全局声誉
% m M/ V/ s9 P Alet i 0
F& X0 v. n% v: C0 w" qlet sum-money 0
, ]- c2 b: T. z7 h8 Slet credibility-money 0: i! ^ S+ H5 u3 O6 ]; F7 j
while [i < people]4 b' \$ X9 _; ]( W5 }& g3 t4 h
[
- N; O- B7 ~ u l' |! r Z3 Hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) e( i! @) [, a, O, w1 s
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 _+ G2 m; e" f+ Z& ]+ \
set i (i + 1)9 b0 ~+ h+ ?# k
]
! _- T$ K3 B6 F1 h( ~7 t" X3 ^/ x$ wlet k 0% q8 e8 T& P5 g' Y
let new1 0
1 O6 s' p8 }0 Y9 H# O% Kwhile [k < people]
6 W* o0 @ @9 g8 l[! ^2 B0 h) X+ E& o
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 p, C& J" S8 [9 Z9 h5 ~1 I
set k (k + 1)/ t4 t- A+ {$ | o
]
% k! P: m/ o; g; C+ U \set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: G$ t1 t7 F% y/ E6 z" k9 Vset global-reputation-list (replace-item j global-reputation-list new)
% e0 b* H- b& E1 hset j (j + 1)0 h) @# P( O8 b* P. w! h. @
]1 \3 v) `/ H- v- v
end+ S+ `, _ G5 D. U: S
( q6 S+ C. C* P, W, Y; j" K& F$ [' J
) V0 W X: C* x2 L8 E- E1 P$ T# c8 S( {- x( u7 A
to get-color) [. s/ F6 P; ?1 `
# Q6 s" i% c0 _- ?
set color blue$ _3 n" a& Y6 K a: T0 o
end8 S' J0 p$ F" W' e: A. L5 x2 n
% O7 D+ X5 t& r h }to poll-class
! @( t0 k+ q1 H& D7 Z4 Mend& U0 f( T+ H+ A1 z" U$ j- F
& W* I, g* W& ], S5 ?
to setup-plot1
- u3 Y& x2 W+ s. ^) V3 { [) J4 k+ Q5 L% R. f
set-current-plot "Trends-of-Local-reputation"8 v5 M1 p6 A: o# P5 Q- b
' f& m9 p( ~6 ~set-plot-x-range 0 xmax# f) H3 N$ W# W; ^
; _2 Z8 T g3 s l/ H+ e |2 a! H' W5 jset-plot-y-range 0.0 ymax
- ]: Y- Q9 y$ C% yend' V6 P0 j# E$ s1 j5 @* v+ M3 ?! n- P
( `; }" I& Y. E' Nto setup-plot2
; N! `; L Y0 D, }$ `: J: ]
5 B$ N2 C7 X5 p3 }set-current-plot "Trends-of-global-reputation"; ~) r9 d; A- t4 i P
. | C. L6 [: R7 o- G4 i
set-plot-x-range 0 xmax
3 r! k f) v" o- D. {# D
: Y- M/ j' p: d" \5 C- B% W1 u# ?set-plot-y-range 0.0 ymax
7 N: K2 I" d& `. gend
+ F/ g! Z, k1 Y" ~2 a" w# `, E- C. a* s- {' T8 j
to setup-plot38 i9 p/ G, B S, ? R$ e
, q& [ d# d& |set-current-plot "Trends-of-credibility"
2 n9 f0 }* I( c& V- I* O6 P( D5 j$ E% ]& S1 M. c& a! O0 x
set-plot-x-range 0 xmax
* v8 t" L, o. ]5 V) K4 P) U: W) J7 R* Z
set-plot-y-range 0.0 ymax
7 Q5 l4 `& @" e' o. ^; Yend. ^, N0 B: O8 y4 N& Q% i* `
; v. W3 H8 s: q! d! t( Eto do-plots1 {$ D8 @, n) F* ~. q& K( l K
set-current-plot "Trends-of-Local-reputation"4 _2 `2 z2 R4 S9 G5 f& v
set-current-plot-pen "Honest service"
5 M# G P b+ F3 E! nend7 o* X# w' F& u
( _# H) U+ w0 h' j' E/ ?' I[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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