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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1 U# r% ?: }6 a6 a4 e6 `: Q' @6 |
globals[& k. r7 V# b- U
xmax; P A7 ]8 m- z; Y" z" ]) {
ymax
$ C9 K# `' \1 X$ x6 V, tglobal-reputation-list3 J% o' {( m; O& r+ p8 X: x6 {
( L; C6 E0 |; ?9 T* e
;;每一个turtle的全局声誉都存在此LIST中
1 G; T/ [1 N5 Ucredibility-list
, Q% m7 R( h6 t3 B. E. F0 O2 b;;每一个turtle的评价可信度: e7 m% e6 N; ?* b5 ~, D/ p
honest-service6 w, O. y! ^( h2 J8 ?, u
unhonest-service4 k4 [8 J6 @1 Q2 e& V8 f7 v& c
oscillation) u, V; v' o1 }' @ r! ~
rand-dynamic% z6 y: K1 O7 U! O
]
5 o+ c/ L6 w( ~) [2 Z0 a
0 S' j) A+ p9 @( \turtles-own[# U! f+ H8 q, S/ k
trade-record-all
4 \; I$ s0 }( w5 u" C;;a list of lists,由trade-record-one组成
' x8 v$ o& {2 ^+ W! ^( n, k8 \trade-record-one
, y9 t% P. k/ U t) }/ Q;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: l0 Z p' s" q9 |0 r, f* x9 m( X# P1 _2 A. 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]]( d8 ^$ l. s; G! v+ |% a
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]
- O- N6 s3 \' k8 q6 y$ n6 }1 ncredibility-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
- A* ~, T( ], W; h0 `2 _neighbor-total1 Y' `; T* X z, ]" [* Y6 U! i( A9 ^
;;记录该turtle的邻居节点的数目% v% c2 D& G/ `* F
trade-time
* H! K0 W: M4 G, x* L;;当前发生交易的turtle的交易时间
7 ~4 o- i; i* @$ q; _. _appraise-give
% V7 S9 ?& S, s0 W1 E' b7 L;;当前发生交易时给出的评价
, [" K5 t6 n" R- pappraise-receive
" y" q7 c* I% r) s& B |/ K8 [: W& V;;当前发生交易时收到的评价7 z4 {& f- ?- y: A# H0 K4 r i
appraise-time+ C" `/ E5 z' y1 ^. K7 J2 d
;;当前发生交易时的评价时间$ @8 v3 A) s" {, l
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
" p- K* r: k8 R% ztrade-times-total
) W! m N7 C; R8 ?- E" `;;与当前turtle的交易总次数
% L* d7 H1 s$ s2 b* J8 o) }trade-money-total. N* c5 g' ~. \& x; \
;;与当前turtle的交易总金额
: h0 J3 ?- S! i4 j) g. |! ~local-reputation- u- x* R* Y1 y. Z
global-reputation
+ S9 Y/ \9 ]: d1 S' E4 Tcredibility# L2 {8 x# J: s9 Y) }
;;评价可信度,每次交易后都需要更新
& ^$ e( Z5 j* J% s2 _. x0 zcredibility-all
$ F7 B6 o3 ?) R! Q;;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
! ~% o0 S& T9 Q8 H
# h) A. _9 a3 ^& k2 @. _8 m3 T;;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: `: J& o* m4 _1 f) m5 x, b9 z1 o# i; W
credibility-one' {4 P7 s' r! U+ E1 K- R
;;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
2 a+ I- @. Q! Z' S/ Q( F& F6 ?1 n9 nglobal-proportion
% Q- A- s) t9 M2 i' @, D# pcustomer/ j) E! w1 k3 y* O* h" j
customer-no
/ E4 F3 ^1 O2 ~1 Dtrust-ok
6 Z" c+ _! h1 Otrade-record-one-len;;trade-record-one的长度0 i/ M) Q4 t8 ?5 t8 b. `' i
]% O) d! T8 T2 w. f
6 X/ K2 ?9 B' P* I9 J3 i5 N$ W o
;;setup procedure$ E# ^1 k) D+ N0 K
N) j# y4 ]# d" S1 E+ F, _to setup; p9 J1 x) z: V/ \+ F! Y
( Y4 d5 L/ D& B
ca& H" S9 n3 h( ]* [
* ?" g& \" d4 _' R6 V$ [
initialize-settings
& t. _6 b. V. p( F* N: J6 b. t' A; D2 ]. p6 C6 O& m9 Y7 n
crt people [setup-turtles]& n3 v5 k2 I2 ?8 u
6 J* O' `/ X5 v4 J5 Hreset-timer
* b! k6 B. L; j# U( b3 g7 X1 N# ?
poll-class
( h4 A5 s7 f* Q, B w& J. ]1 o; T
setup-plots+ E! b+ h8 |2 A8 C
8 I9 v# h+ W; E* rdo-plots
/ t! Y! [2 j6 X0 m2 S, t: xend0 D5 K* q/ a; r# h2 E6 f- z
6 `/ t. Z! n* w' K+ s7 ]! u _
to initialize-settings1 H% ^) A. _, x$ H/ F' s+ k
) o ^& N% K r
set global-reputation-list []' f2 s; x( c5 u' o8 J
2 ^1 }- U2 X* T& m& T7 ~/ p3 Y
set credibility-list n-values people [0.5]% i, m6 a. l* v( ]: t
& P2 O: n$ Z* D5 @) \set honest-service 09 \! P- O: U. T$ j' p" D: o
; Q/ b/ r( a4 F8 N2 G+ P( Bset unhonest-service 0: ?1 }5 f' |$ |/ v
- @2 W: e6 h# K8 f- hset oscillation 0
$ P4 I* |* e0 G/ O9 P# \ {0 J6 O9 V9 t" s2 s# x+ }
set rand-dynamic 07 k( Z9 A$ K2 a: @% q; M
end
: P( [; n1 Z5 E! X0 r8 M
% R: H4 Y% ~8 e- B) @$ xto setup-turtles $ Z3 w" i; ^! B5 k, ~' x6 G
set shape "person"& U2 i. V" y- T# C3 E8 U
setxy random-xcor random-ycor8 y6 }2 c0 c* G$ i$ \" S
set trade-record-one []' q2 {6 V9 h3 _ T( h2 z
$ }3 o) o7 E" ?
set trade-record-all n-values people [(list (? + 1) 0 0)]
0 h$ s" ]7 H/ |9 A$ W0 W( m* k/ R( }- {' G8 g4 ^
set trade-record-current []
8 a5 a: x, i/ i& e1 b+ Y, b4 hset credibility-receive []5 E$ L# n! k& O
set local-reputation 0.5, |6 I' j$ M8 R( X+ ~; r3 L5 P
set neighbor-total 02 ]) D" a& Z& I4 u! p
set trade-times-total 0$ s' I& |* l& t* b% l0 x: D$ I
set trade-money-total 04 l5 j/ y# @9 v
set customer nobody
) v- G0 G% n& a$ `" xset credibility-all n-values people [creat-credibility]7 h! t! g1 K; ^% H; n, m
set credibility n-values people [-1]8 X$ F- g: @9 |6 L$ I* V: G% p
get-color1 }$ r0 Y" S/ I; g% G J% u$ h3 e
7 _% S& `1 b# a6 R4 Tend% }. W9 {6 {- a5 A0 x8 F7 D/ w
5 z& {6 B8 D! E# tto-report creat-credibility. e% @- `( q1 T) L
report n-values people [0.5]7 y# V% `& j! \2 E
end. O* x; J* g5 l. B& }4 i
' k, l/ @1 k p" f
to setup-plots- ~$ F- ?; l* F. \
, b. ^/ M# n U* Xset xmax 30( o4 s* u) k! }) K
/ {' T7 ^9 n+ K0 J; rset ymax 1.0
6 ^( A4 d4 }0 m2 @& A# b, g6 z; t) Y9 b! i( g+ i, |$ \2 H/ Q9 |
clear-all-plots
. P/ m7 w, k1 x0 J9 Z; N% f8 B- g
' d7 o/ U' J0 V5 z4 G! Dsetup-plot1- |+ J% }5 v; J: |' z; J9 d/ G8 k: L
8 @: E# L# `, t& M$ h
setup-plot2
; L# w K2 @5 [ F
3 I: E: I, F) c: ]: V. N( b' qsetup-plot3
0 I6 {# y" B8 [- l) Hend d1 G0 i& I! ^) o
8 D5 O7 V4 U' z3 f T j
;;run time procedures' b" v1 @/ \4 l
# @! g6 [4 B8 R; Y+ P, `
to go
: B4 i2 v$ Q1 z/ v" ]2 x9 g6 \# G5 A' I& M7 w2 T% }
ask turtles [do-business]5 F# C1 ]: \! J3 N) m$ ]/ ^
end; p' p: x7 S& m7 G* Z% K
3 N9 W$ u8 J4 k) `/ e2 rto do-business 7 F3 w" t m% A/ C
- ~4 l1 W! s' D/ L5 s% X1 \, s# k; u3 S& W+ [
rt random 360: Q* C p* U) h5 _+ |1 ~! u; E$ R
; t" z6 C5 V9 p) ~! R' O
fd 1
- @/ y( {" d+ P3 Z5 S; H' b* y$ x7 N# {5 j7 e
ifelse(other turtles-here != nobody)[
+ ]; G1 `! k# U; y, i1 r/ l2 J& `, G+ |$ Q' \9 h) T/ k
set customer one-of other turtles-here* X" |& u8 F f% J+ @$ O
6 a' Z/ [/ Z) g \- O;; set [customer] of customer myself' z6 ~! d. S* N, {; h
8 W8 a/ K( j6 v; O0 V- Y
set [trade-record-one] of self item (([who] of customer) - 1); E% V5 m7 G/ ]6 F3 K. c& Y
[trade-record-all]of self0 O1 J4 }" p' C
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self7 D/ g4 C/ ?& E* y0 S
: o5 z1 s) E5 T5 m
set [trade-record-one] of customer item (([who] of self) - 1), C4 ?+ y7 [ `$ l: X8 n
[trade-record-all]of customer
7 ~% X; y! s5 H1 y- n: X" j3 f( x D, Z2 y
set [trade-record-one-len] of self length [trade-record-one] of self
+ Y& S5 {1 I& J9 p5 ?, @ D( y
% Q* i) S/ r1 Gset trade-record-current( list (timer) (random money-upper-limit))& }: O7 K/ U" A+ w9 R& A3 y q
7 Q0 C9 _, t1 h) y1 Q
ask self [do-trust]
1 w ?2 F* B, }* o5 q;;先求i对j的信任度
( U2 h& Z) o# n# j5 X" b6 _# }/ G2 b" _$ M; Q
if ([trust-ok] of self)
" t1 S6 C \, n8 |- X4 z( b;;根据i对j的信任度来决定是否与j进行交易[; W0 f/ k# K0 C
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 Q. G. j% u& C' I: |' G% n
9 a" S; @- P3 T" t4 Y- R& y! X[+ l. F0 L Q! d, o$ c6 L5 H
. p- |: P2 y5 y0 Q7 s
do-trade
* t' W$ a9 I8 F2 c; H0 L4 ?4 [/ Q; Y5 M" k8 J' o/ q, `" ?
update-credibility-ijl4 {8 M( d& @- Q. |5 F2 j
( V$ l f7 p' [" h& c0 u
update-credibility-list3 l; P; n w! y1 L3 n
, s5 H) f/ b$ V7 R+ @% _0 t# n- X; O; i* l6 I
update-global-reputation-list
$ G( O# u9 M: R5 I9 G. |1 E# O6 w. x" d5 t) U% M; V6 z
poll-class
; {9 d/ M. f9 @
. u) [+ C" q# A% F4 C4 s; Qget-color
/ E8 c' y+ W- w) M( N7 F1 z4 C' j+ V& ?1 H
]]
* Y4 z. J5 _- O/ F. l0 i0 h M
3 I# w* I( ?& \7 }) |" _;;如果所得的信任度满足条件,则进行交易 S4 S8 g% P5 Y' {
2 B9 Y' X8 r. ?, \
[( a+ U! a2 w1 m& v. F
/ }4 h/ O' C$ M7 a |& }$ Xrt random 3604 N$ G8 ]5 o/ v y
- W U6 B: C4 ^
fd 1
+ u" h8 Q* g, J+ {4 M* T( L
4 t& Z: u O$ V: N* O9 @]# Q% i, ?9 e9 z' y$ P8 M- [
% @. P) ^. W+ g" Y8 Qend7 P) Y0 z$ X( d/ L+ r0 Z
" |8 x* g2 U7 J- g1 Oto do-trust
1 H- E1 _) e: s0 w. dset trust-ok False5 {5 ?" j& y5 w+ t
" \: o7 ^1 |2 V! Y: Y9 u7 K9 ]9 q2 e5 M
2 |$ }) N! A0 J% n' |' }let max-trade-times 0
k8 B* y+ M' c5 t) }8 E/ f: Qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]( Q2 f/ r6 y0 q$ a' O
let max-trade-money 0
9 M9 y) {+ x' _foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) D! k. m* h) l& M$ A
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))! k+ \) m/ k0 k/ K' A) }8 L; h
4 U: w8 N8 _, [. x
% {$ z" T Y) O1 Yget-global-proportion
% p8 b) L4 P; m8 B" a- K) e" Ilet trust-value2 p8 ]5 P# E' x3 ]! N+ B; N# q
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)
8 W# V4 G2 R0 o: o& R& D8 W+ jif(trust-value > trade-trust-value)) \/ J4 W. C9 K, n* a% c1 s
[set trust-ok true]% @9 s9 G) d- E1 }; h5 G+ e$ n3 v
end. o6 Z8 v% e5 E0 z2 O
5 E# X, u% O& \to get-global-proportion
. b) l7 W" Y$ H/ A9 i8 Z- @ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
3 a5 r7 T+ `$ A" h9 ]/ O[set global-proportion 0]
6 w4 w( u, {) g7 \1 c) W) r1 T[let i 0" P$ R7 u9 q/ v, v8 F
let sum-money 0( r' z1 t. O4 l3 H2 M: w% q# X, b
while[ i < people]6 U5 s3 L ]0 M2 t8 }
[7 m" L& Z1 o" p1 S
if( length (item i
* L. A0 |, l) h0 O. f! H+ H& W: A[trade-record-all] of customer) > 3 ) s8 o3 b) n ^
[
, L! L) z! w- U, k/ G5 Lset sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 G' u, d- C# k8 \' a" G8 \
]) r& f0 d: }; {2 ~' k& t: Z
]3 ?. B. |9 G0 G7 i! ^' I
let j 0
3 J) n* G& i( z3 z, dlet note 0
5 y8 @! x2 t! p9 r. _" z) Z* Pwhile[ j < people]6 T$ n3 k1 W! c# g1 x9 r
[
$ N. O1 r1 N: n7 b* n6 zif( length (item i4 L7 y- W( q1 S
[trade-record-all] of customer) > 3 )
4 Q' }- ]! C( F% ]. C: f5 r[) [2 S( O8 A o: K
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
7 [! t5 T9 F1 Z6 X) q5 n[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
7 p. d+ j+ |1 Y/ @' K[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]0 \- Z! a4 \/ G1 L5 q4 b7 F, {7 k( K
]) J Z( ~/ J6 ]
]8 w3 h! c& ]1 ?0 c5 A/ [$ I! j& o
set global-proportion note
8 r) C. R0 ~. X2 k/ f]
0 `) \1 f: d. Yend2 `2 n' x0 t6 i$ _6 ^1 z
& x# }2 @' k+ _
to do-trade2 i( L' D, `! W, k2 S4 W
;;这个过程实际上是给双方作出评价的过程
% \9 W/ Q1 I5 m1 t, Jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价2 H3 |& g O+ L* q& h& K
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 I w7 V+ T( { @0 u& N4 s- Pset trade-record-current lput(timer) trade-record-current
$ ]* W& ]; Z8 S+ M1 }8 o;;评价时间" W. G' D$ m! d3 {, ^* F* S
ask myself [& z9 g0 V2 J* Y* [" n& Q [
update-local-reputation
. ?( }% E# {, s" Z/ j5 [/ F( Sset trade-record-current lput([local-reputation] of myself) trade-record-current
+ ], U" P% M1 N, D6 Y]( M* k5 g; N2 e
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
) p8 ?/ a4 M& s. e5 T;;将此次交易的记录加入到trade-record-one中) }4 A4 f) @1 ^
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)6 T* m2 C5 }( ?2 f. I/ V
let note (item 2 trade-record-current )
8 F6 W7 \/ s- N A1 yset trade-record-current
; ~7 t# M3 D; j, J7 k' j(replace-item 2 trade-record-current (item 3 trade-record-current))5 |3 r% e& C0 ?( q& [5 I# s% H
set trade-record-current
0 X4 F+ h$ D0 F/ A(replace-item 3 trade-record-current note)- \' w. S7 d1 o% p* a9 r8 V
9 z# @; `" @8 {% c6 K/ b/ y( }0 {' `& i" t9 a- x& k7 k* \ \( j
ask customer [
7 y& z9 a) Y/ Q0 n' f8 bupdate-local-reputation" C' D+ {( s/ ?4 g7 y- `
set trade-record-current
; R. y4 a9 l# @' v" j(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
8 t& M- A1 E% S]
0 |( r- J. Z1 I0 {: \
# o# ~$ B2 Q) g A: v, r1 W
( }; z8 Z2 z3 ~0 }1 `set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
3 Q4 s3 N9 h5 j( n/ A9 u h+ Y( @, X+ s
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 W/ F. d, G2 j& O: s
;;将此次交易的记录加入到customer的trade-record-all中6 N& L* L3 k9 |. n8 E! i
end/ k/ o7 J1 p) N2 K5 q
: W p' F% W! D4 F |to update-local-reputation
4 ^3 [, l' @6 q0 [( F) Iset [trade-record-one-len] of myself length [trade-record-one] of myself, p( L- a/ j! W9 Q; z |& E
2 w! R( G7 k* l4 Q, i$ R& M: V( g) }# u
7 d/ Y: F1 o- ?5 S
;;if [trade-record-one-len] of myself > 3
3 h7 u) b& z. W+ h' X3 supdate-neighbor-total' ]+ k: j7 G+ [, X. F
;;更新邻居节点的数目,在此进行: Z" A; B Y) P* Y: b: B
let i 3
1 I& O0 ] J4 _6 L, ?1 clet sum-time 0
$ t Z5 ^" B- i k6 v3 m- {while[i < [trade-record-one-len] of myself]
S; \2 `- N8 `7 h[
6 ]7 f2 W- q* _set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )3 w: Y0 X1 o( t! a
set i: u2 M- h2 @# [. G0 S R: T* r
( i + 1)3 g+ } ?. y+ X2 J/ ]! ?( A/ l
]
7 x0 E8 k1 m' Q1 l# l# Olet j 32 }3 j+ Q& k7 h1 J
let sum-money 0
. Y) X8 c, e; o0 |while[j < [trade-record-one-len] of myself]
0 |7 z" {7 K; l; C/ ^. S[+ y% i- y8 {$ K$ D/ i& z
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)! \8 i# \5 ^, ^" x- {9 H/ X
set j3 ^6 y" R$ n3 h$ X. ]! n
( j + 1), _3 ~& V% A' |8 V
]' }4 |# T0 a% y( m+ D
let k 35 E! B; k2 \* \. _- z# x
let power 0
! O0 {$ n; @5 e. ~- y0 \8 ?let local 0
9 _, z% F G2 S' ]3 mwhile [k <[trade-record-one-len] of myself]
' i& r8 S0 b* U; i) _* \/ h3 V+ G' i) I[8 [. J" w' g; t! B/ }. F
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)
5 ]6 d i' B( Lset k (k + 1)
" `8 f. V0 L+ N% P; C]
+ c# Q, ` i& m1 \& ^set [local-reputation] of myself (local)4 r5 }2 t) ^1 E/ e
end
' `* m! L: W2 t; H6 M
+ _. J) v: O* A% B; u4 l* g) Yto update-neighbor-total$ \& T2 J( h1 v+ r* {
9 P _+ W7 h# s. }% nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
# z' Y5 P3 j2 J" r
3 ?$ \) ~" k3 A
' p: o m" l0 D, Xend
6 ? [+ }3 h# i% Z. H" e4 a7 u$ t% _- o7 l; [: U+ r; [% f/ T- b0 i
to update-credibility-ijl : A2 \" Q G1 W% ~
# V [$ C, I3 P0 D4 W9 K; z
;;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。1 U! u+ b0 n, u* e5 M( B& W
let l 0" k; f0 y- {1 X8 Z. K+ ?2 _$ o# |
while[ l < people ]" _: z2 U1 R% a J5 V& z
;;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 \8 V6 A4 V! w- a
[
# [, Y( c% Z8 C$ l- Llet trade-record-one-j-l-len length item l ([trade-record-all] of customer)+ Z! \- P1 n% v. E% p
if (trade-record-one-j-l-len > 3)
8 L# @3 K7 K0 L! ]0 T[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
: ^3 Q8 o2 ^! t1 ?, Ulet i 3
' D) d! n6 G! e1 K' k: K. h* R& }let sum-time 0$ v! F) J8 ] G- @# A- P( d. F% L
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
: @5 m. _+ l. X' iset i) {0 v s1 ]' D, R% r
( i + 1)
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let credibility-i-j-l 0
7 ], v( d* z' e+ f* B;;i评价(j对jl的评价); }3 l! M+ P# t+ }, ~2 i
let j 3$ u7 N0 i9 M9 q+ D V
let k 4
8 X; K# k9 V5 ?! _while[j < trade-record-one-len]" D% w$ ^1 G+ V* W' |
[
" L5 z' U4 ~5 W+ {* |! Awhile [((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
) ]2 V f& o2 y, k5 X. I. j3 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)
! T k- q7 Z% V4 Gset j
5 M6 J# v$ _# }6 ?" G9 @ {/ a( j + 1), s+ t/ L5 t7 f0 b2 ^4 I6 I- A
]
) F8 H% E4 T2 Kset [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 ))3 ]. d7 U$ m. o9 y. r8 I
" z Y) G: R$ l( E: O% w
! w- C4 q0 Y1 j4 I0 alet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! |$ B8 F9 c& Q. {
;;及时更新i对l的评价质量的评价; B ~, j5 g* L G$ ]9 x* v
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 g9 b: S2 U8 v/ [* z3 ^7 Vset l (l + 1)4 J& j4 M2 V3 o, T b! _
]% ]! I8 F* d' R7 r
end4 |' M1 T8 G. k
5 [0 {9 @* `$ h5 Z0 t5 h2 }to update-credibility-list @; D: K, K, B' G. K5 U% i" d
let i 0: s$ i% B) U$ b& L$ s
while[i < people]+ p4 \4 W6 A9 J# ~. T0 Y1 }
[
M$ X% r6 i% a- u4 hlet j 0 V/ W5 G3 f( i
let note 0
8 s+ ]9 {8 \ R- k) E; s6 Plet k 0
, u" \ R" C; a/ H;;计作出过评价的邻居节点的数目
8 h+ x2 L2 `" l6 q! uwhile[j < people]' D5 t6 |5 \: i" t; ?4 I& a' k0 b
[; _+ z6 n2 ?0 N) V
if (item j( [credibility] of turtle (i + 1)) != -1); R Z0 G$ R9 N. F2 Z0 M
;;判断是否给本turtle的评价质量做出过评价的节点7 U: S, N$ s" X% B
[set note (note + item j ([credibility]of turtle (i + 1)))" q3 G& @: p2 |& l+ \
;;*(exp (-(people - 2)))/(people - 2))], _9 z. Z/ f) x
set k (k + 1)" j& Y; G+ U4 A$ r( g& V2 G6 s, A) r
]
) }/ Q: z+ M6 v5 eset j (j + 1), q& j: l( r$ J5 W8 m7 M
]
* h' p% u2 n6 x* ]* g, H$ Uset note (note *(exp (- (1 / k)))/ k); Z0 H: I7 A- f
set credibility-list (replace-item i credibility-list note)* k) W& q6 j- T2 d- N
set i (i + 1)! p. x( A$ q. c1 s$ a. U
]
; K: b: U/ d/ @3 U5 {end; |) W1 N, i( t3 R9 ]% y% X) P
' k# Q9 r6 P: D# b% B6 k/ o y5 j
to update-global-reputation-list
1 Z+ {5 ?% x9 ilet j 0
! b6 g% k f/ r# V# nwhile[j < people]
) v9 a! L4 T9 c- D- V, {5 K& `[
3 n9 q7 m. x+ Glet new 0
& Q# h4 O2 c! V) V( V;;暂存新的一个全局声誉6 O+ z9 V7 J+ v% S
let i 0: b6 L: r; [9 {& |2 n
let sum-money 0* {' J! s2 H( r8 T* R
let credibility-money 0
: d: o6 a. k/ [/ Owhile [i < people]
0 H6 e# a s8 l0 @[% u! z- G; W+ @4 ~
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))2 M& E9 I+ u4 w0 X4 V5 d* F
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
/ F2 o7 `! T0 L) B4 R9 Aset i (i + 1)
% U2 S4 _8 B* \0 P7 h, x! I]
- {2 I f" y$ c$ D% Elet k 05 C% E) a% a7 s
let new1 0. Y4 Q0 X/ r, h! a" S, d$ k& G
while [k < people]! g, `$ v9 Z. o6 V1 ~6 r9 L2 p
[" P, i; j) Q2 p8 F: \4 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)
A3 x$ M4 s3 a/ |9 Nset k (k + 1)' Z4 p) W$ \+ _) w" y3 o
]
! Z% m+ M, c% F3 ?, o! o' C' I1 ~6 [set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) * p1 M) S/ x4 E* N! x
set global-reputation-list (replace-item j global-reputation-list new)/ U) G2 _( R- @2 Z2 T' K# K K" r
set j (j + 1)
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end
r, C# m; t1 Y& ?" a8 ~4 N6 m
$ M1 e9 w: I3 }2 T0 u- ]
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" ?1 e. U9 X5 K# u; [( H0 sto get-color# ]+ Q" Y _0 H9 f% L! Z: W
0 g* \" ~# h" N1 M! g' l; Z: j3 pset color blue5 {/ [# n2 t' \1 D/ @
end
7 p6 t, }: e- L3 K8 [
, d& S9 h% h! J+ w/ y9 b0 fto poll-class
9 a& q* J- `* F: Uend
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to setup-plot19 i5 _/ U5 R: ~" @8 z
, {% x) q$ h- e" e( P$ c/ Xset-current-plot "Trends-of-Local-reputation"& ]! H% Q. W3 ~# K# j ?9 R
+ a% I) W E1 w6 Y6 Wset-plot-x-range 0 xmax
! T+ u, X- P6 H0 l- R
8 R" E& f. q5 o! Kset-plot-y-range 0.0 ymax4 l% M$ E5 V( {6 Y8 C, |
end/ g! v' z7 X0 w: W Q: |
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to setup-plot2* |7 X" e# v7 i3 l! t5 C
7 B0 W- s& w8 ?0 E7 c
set-current-plot "Trends-of-global-reputation"; P$ V& A+ z v/ O4 [
' P1 A# k0 L {& Yset-plot-x-range 0 xmax
' H7 s# ^- s: K) M7 c, X& f0 r- _% M
- s6 d) A& i% G; l$ Fset-plot-y-range 0.0 ymax0 e- j! s% H4 y/ J7 _9 I& {& B
end7 u/ Y) R; k0 @1 n
0 g( i6 j& r/ n R' Dto setup-plot36 j9 j8 t* G9 y3 R% X$ j0 M, X: i
' `+ Z9 Q/ j, C" ?
set-current-plot "Trends-of-credibility"
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set-plot-x-range 0 xmax, Q/ L( K, ]$ L5 Z
' z p! Q1 {" U6 K1 Z) I/ Fset-plot-y-range 0.0 ymax% X6 K# B4 Q2 ?3 ]; A
end, Y; ]' |# u4 {" o6 \
$ O8 |& J$ N1 K9 Z9 Z: \to do-plots
. V I9 Z8 c. j! r7 gset-current-plot "Trends-of-Local-reputation"
) ~" k9 X, ]3 [1 Z% @set-current-plot-pen "Honest service"+ N7 p' X! c Y4 l
end8 h, ? ]8 x% U* }& ^ K1 l
0 `$ g# p6 {- Q1 n
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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