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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: }$ P( j% n7 X2 X# J2 \9 B
globals[
: Z" b# h1 h( {# A6 N+ A) H& ]xmax- b# A& l) G- i1 l" u) J
ymax s3 h/ T- m4 t* \) |$ |2 x. k
global-reputation-list
: i2 R7 A d$ P- m$ j- U
2 R( ]2 Z1 `* e6 P1 G;;每一个turtle的全局声誉都存在此LIST中
: Y" q+ [% D4 b. [1 z; |credibility-list" b& a' T8 Y) K4 L. t
;;每一个turtle的评价可信度" x% E8 Z6 N- }4 w7 p5 r$ o+ [$ d
honest-service
1 \2 r6 c N+ \. O9 W$ `( G4 qunhonest-service( c# c* }- Y! {# ^9 w% {
oscillation
# w( ~, a7 q) R2 c4 ?3 Frand-dynamic
. `: u) g) ]9 w) o1 {! \- N]) @" _$ _& g9 u- W5 q
( J! \; e. ?! ~* h7 u
turtles-own[
3 y% a4 t F0 u+ a$ \& n9 c6 Qtrade-record-all
" [+ i* Y% a8 X5 O/ H;;a list of lists,由trade-record-one组成2 M: M- k+ H) i* E/ P6 ~6 P
trade-record-one$ Y8 c# M e: [6 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 t0 O0 }) l! Y& R. d2 y/ A
+ A( P2 Y& W: f8 z! ];;[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]]
X; m9 y4 B3 H" @8 f3 f2 N0 {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 ]2 j# |' c8 B0 F* b, l" ccredibility-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
& [8 Y3 w4 r& }5 \5 Z9 G7 e5 u! [neighbor-total
0 } o- s' w( o% l6 R) B) r( s;;记录该turtle的邻居节点的数目
; P6 o1 I9 i- ^. G$ g5 B# ltrade-time6 ]% A% x$ f6 T3 }. i
;;当前发生交易的turtle的交易时间. s7 o, Z' l! K3 y: ~
appraise-give
/ A. j) P4 B* F;;当前发生交易时给出的评价( H- V. a- T& F$ J; L+ U# |
appraise-receive1 a5 H2 ?; O. U8 M; z. d
;;当前发生交易时收到的评价
/ G: _! I2 r8 G3 D; X8 n8 xappraise-time
& m3 ~; w. K. ?, N1 G, p;;当前发生交易时的评价时间
. ^. S( I$ D0 d+ k+ zlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉) r* i' y/ |" H6 @: }. P( |# c% a
trade-times-total
) e1 m; s( s2 M5 w" O0 R9 n. };;与当前turtle的交易总次数
8 Z6 ^ X3 n5 s6 F# r0 U; D& c# Jtrade-money-total
2 M' |" ]9 I w;;与当前turtle的交易总金额3 k& _9 M, h; J! Q. @5 S* O+ m
local-reputation
- s, X7 Z i% ^7 m" [global-reputation. O9 i6 I/ _9 q# I* U/ L- Y
credibility
8 m0 Z: o/ i. t( d) }5 M;;评价可信度,每次交易后都需要更新 w( s/ [! ^* r! ^. i! a1 Y; L1 f' B
credibility-all
& b! A1 \& D/ K- \3 T, w;;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6 K. ?# I6 ~5 w( Y
2 d% ^1 h8 W! @1 h% v;;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
+ S; g% J6 c/ }1 q$ scredibility-one
^ E+ C b i1 A e: I0 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2 a5 m$ O- e2 {5 r: L- s
global-proportion; F- n% {: d7 [' _' Y
customer
! f _' ~+ g8 A4 o5 t0 P3 `4 N Acustomer-no
! E* r$ y4 E/ V; w' u2 atrust-ok
) m1 _6 ?* v/ @trade-record-one-len;;trade-record-one的长度
9 K. n* t: B- G9 T- U]8 w7 ]: `. z4 I; g% G
& q; h6 N/ l# E& G* E' ^) o) h3 f
;;setup procedure% _( z" q" ~0 a' }
) j9 P- W# A' yto setup4 N( \' C* l8 I; b
2 X+ V; H. \0 T2 e7 ^
ca
- y8 B$ A: O8 `6 y
}: e& j! x! binitialize-settings0 N, x2 O+ ?% V" v# ^! h8 i8 B
6 c: m% G! M5 J4 U! \' B" B& Y4 dcrt people [setup-turtles]- S4 L$ n3 _! \; ~ D: F; m5 ]% l
, r; Z1 U5 e" b) s
reset-timer
/ ]. p8 M' C0 g: A/ b) q/ }" C0 ~. o
poll-class
3 u- y% F$ u# t3 g x: }* y, v- w
setup-plots& |/ t2 @4 S c& h2 C A' p
) ~! \2 V9 H: ~: U2 P/ B7 }/ H+ }do-plots
- \' N5 q) x, ?4 K2 {3 [end- C* @" v! f9 q; }( d b& N% p
$ Q+ X4 e/ O) l# X0 k5 y. {
to initialize-settings
$ D/ B5 R) X0 S9 O t% p$ F$ y7 K6 u( h9 N* j) o a" y0 i
set global-reputation-list []
2 j I( V0 d2 ~
' q* p% m- l- D6 oset credibility-list n-values people [0.5]2 P2 x/ C: y( G% F
& j `: P0 l' ]% M2 D( @ u
set honest-service 0
3 [/ ^6 t0 `7 z7 ~
3 _4 R/ {7 G" Wset unhonest-service 0
7 b, I5 e. V' P
% s, s% T: X+ j$ dset oscillation 0
Y$ ]) ^! @0 i. ^& {7 P
7 b" E9 ]0 n; z- ^* G& m5 X9 i% Rset rand-dynamic 0
! B/ Z( x, p9 ?end9 c" X$ l: [* ?$ Z6 D( F% ?
1 x: \- V( d. u! d; ^5 Kto setup-turtles $ V4 _6 L6 E! l" O
set shape "person"! m7 \) F' }& F( X1 e& N
setxy random-xcor random-ycor
& y) W8 M2 T: x4 E' X2 H4 {0 k" Z8 Rset trade-record-one []( Q3 P4 Z9 L0 C$ ?# G; ]! `
' z, m* M1 N lset trade-record-all n-values people [(list (? + 1) 0 0)]
% J3 z) ]0 |1 M* Z' `, [6 u/ ~8 e9 Z, |" f0 `$ Q# Z2 z) ~( W
set trade-record-current []
& J6 ^: X3 U% q9 e. rset credibility-receive []
9 f" k8 ]" Q: E" s. ], v+ yset local-reputation 0.5" V# Y& v8 N2 }; H: `
set neighbor-total 04 W" ?. r! S- C0 _+ v7 t0 [5 r
set trade-times-total 0) U) e% s+ K( }( R' H! T6 k
set trade-money-total 06 J* _( V( _( P! w7 }! A- V
set customer nobody/ W" x9 w8 Z6 I. D9 Z) J
set credibility-all n-values people [creat-credibility]
# K! A* n' y& j0 M6 K3 wset credibility n-values people [-1]: H5 J' ~! a8 }% N7 J. F) D
get-color4 U" e6 R% x5 z U$ ?
, z! w' s$ c9 g) Z
end3 H" ]6 I. ^) x
+ u$ g3 y5 @$ Qto-report creat-credibility+ n, ]# g8 h* b/ Q9 {& Z, P/ e, L* D
report n-values people [0.5]
6 ~: w% \$ k5 e6 B5 dend
. D- f; w U/ K% k: a% x; @, S' p! N ~4 v, @' k. X
to setup-plots
) h; ]. J+ s0 B% Y5 K! b
6 ?1 n7 Y6 c: x$ mset xmax 30
7 r5 R: u( T' Y+ E% \% C
, i }5 T. M& |6 @* Y K% _set ymax 1.0 ?% k1 h" ?/ _5 e' m& W% _/ n$ o
0 v- x" V7 m2 n% e0 {/ cclear-all-plots6 l8 S9 [5 A) O/ _; }4 F/ P6 U
( g- m4 I+ f( {" X+ a
setup-plot1+ {+ }* S( D- Q" j, g6 I. I
. r B8 T% p3 [1 Rsetup-plot2, {1 q% ?9 q( W: g
7 m" S+ ^- Q3 a) y: V6 }$ msetup-plot3: C& r* Q( X# M& A. z+ R6 A
end
4 H6 G2 d. h/ R' N5 v
& s3 k* D' f' j4 M: Q;;run time procedures
9 h. ~ [0 d% k& P9 { i/ N7 F
' I2 r( s- i3 p1 F+ n5 \6 \to go
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ask turtles [do-business]7 n5 j% s0 A2 H& J7 M3 y
end
- A1 J+ {' Y7 ^* A$ e
5 p/ {" F W$ u" D, S8 @to do-business
9 ]5 B/ \8 y: ]7 }. O8 S/ f% h4 r5 {* ~6 s- R7 r/ D8 E
0 P! ]; t/ i3 D R2 W @6 U: hrt random 360
/ R6 m- u$ e$ t. Q n" I d
9 [* y/ d8 w# H" i- ifd 1, O& C0 [$ h3 i5 L! y
1 @7 [- C$ y1 d S5 _4 w
ifelse(other turtles-here != nobody)[& l/ L& R$ w- U7 Q
3 |" J) f. \5 u6 B% Qset customer one-of other turtles-here
- |8 l/ t! ~8 d$ U' B: W, A) t/ Q
& [9 e" j: `( O;; set [customer] of customer myself3 I( E/ P. b* N- C3 R2 _
4 k1 `% h* a2 f- _, h
set [trade-record-one] of self item (([who] of customer) - 1)# p w* \1 i% Z! F I& G: p. C
[trade-record-all]of self
C/ L3 Z9 R/ F2 F t4 A$ J;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
' ~3 m& ]3 i0 a; r; K% Z7 R' c. ?' Z. j8 m4 r! K& {0 p+ @5 F
set [trade-record-one] of customer item (([who] of self) - 1)
. J! S3 F) T6 @. w. U) R. Y[trade-record-all]of customer; P8 Z: n- L ]; R+ w- ]! j B
- R' O0 Q; w4 |0 B1 \. zset [trade-record-one-len] of self length [trade-record-one] of self
) K0 q2 Y/ l2 _) H; c7 |8 E$ G7 p7 g1 \9 D# D
set trade-record-current( list (timer) (random money-upper-limit))- u& l0 L5 v8 m/ M, L2 y1 u
4 |8 @9 _2 ~7 D1 U; {' m/ sask self [do-trust] ^. j9 v2 u& j+ s7 Z
;;先求i对j的信任度
% p7 u) B& ~8 Y* m7 ?9 s0 B
; u: X2 b# G# R8 Q8 R$ K: Wif ([trust-ok] of self)
( j7 @/ L1 w. ]+ m;;根据i对j的信任度来决定是否与j进行交易[
( A2 ]# _7 q6 f& x9 Kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
3 ?/ c0 X$ S7 y8 m: N! \
% l/ g; I* v3 b9 q[% | }* c2 _) j, ?3 M3 i
3 t" _1 [- s- f" ldo-trade
3 |1 R$ ^) z$ U$ S- {
- P9 S/ O2 b1 e5 r5 I* U( H) Xupdate-credibility-ijl, ^. w6 d" f4 \: o7 O- q6 ]* o% ^; T0 C/ D
3 Q* X, A6 v' supdate-credibility-list; {' d3 e( v) I5 c# ~( t' t
+ f" Q3 G1 }2 o# V* `% C# K
) R1 Y6 A0 q% i1 @
update-global-reputation-list# ]- U5 Y2 h5 l+ c
. B+ p: Y& v, Q" p+ g5 K
poll-class
7 b$ o. E2 ~0 [: s9 l- W2 d" s! q
get-color
; r4 {0 j$ n: D. y4 J! x$ f' R: j1 X. Y: q% j# P) U& Y
]]$ ^0 [# Q5 k: p; f" [$ d8 E" C
3 ] x' w5 a# F/ X5 P M# }& E;;如果所得的信任度满足条件,则进行交易
\- j8 ^) w/ Y6 Z
2 d+ D. L; h" a5 f5 V- Q" O, S[
, \3 J" H2 R$ Z6 G: t( {" @9 u( r# }; _- J
rt random 360
! F7 D' p. J. O% r. {0 ~$ u' c: W2 h% e0 ^" z& {1 ^* U
fd 1/ X6 P, i$ ]6 u+ }( G
( R6 {/ X9 b2 R+ l
]
8 N' ^- k7 h- U+ z
2 y$ Z! ^$ \! E, E- j) Z* Lend- Q/ R* I/ |8 k$ U V
+ D. `, D! ^" [+ M! m1 l% o
to do-trust 9 V# z4 m4 b$ b4 _
set trust-ok False+ K- w& G$ k4 S
; V. v: M2 t+ w$ i; h
) q* O/ Q" T' P% \* _2 l, \let max-trade-times 0
" V1 n& t! m6 Sforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
8 \% Y* T" v( j3 |' hlet max-trade-money 0
+ }. x. P0 J+ l7 Aforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]9 y9 O$ `9 Y: g
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))8 \4 H* }% ^9 i- [+ u* A- M$ y5 D
! J( T; [' O) n0 N
, I) u( c4 `8 n
get-global-proportion5 @- t6 h( N/ {1 D2 I+ [; ]
let trust-value: H" B( {5 K+ F5 G/ t
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)
9 b* b" o- ^1 I0 V( oif(trust-value > trade-trust-value)
* ]" b9 {8 T* S! M+ q& J) U[set trust-ok true]
$ E1 F7 G7 {8 W4 v3 Q1 y( [end
4 L: X3 U: p& }7 W
) q# G7 O8 H' b: y+ z vto get-global-proportion0 ` x! p: p' p. r9 _
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3); m# G. i3 X& p
[set global-proportion 0]1 M: Q3 h9 X/ ^ Q* [4 m
[let i 0
v. \( h* Y2 c# {& @4 ?let sum-money 09 ~2 Y" V$ ?8 o6 p5 [3 i' Q
while[ i < people]. d* ]% Q7 n- H' \) Q1 c& {* }
[
$ q/ \2 | U4 J5 ]if( length (item i0 v9 U2 w! h t0 h. |+ v& g7 n
[trade-record-all] of customer) > 3 )
( T* }5 r8 N. j1 R. M[2 ?- i! W+ I7 l$ F* R' D
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))" c% b* u6 b s! v
]
9 {2 g3 e4 Q) C% v]% B3 Y8 d! Z$ m X
let j 00 {; P' N) e5 L; ?& L1 k
let note 0
7 Q" }# Q5 B, {. awhile[ j < people]1 U. V9 T/ q: {& l/ b
[
' x2 l4 u! h: Q( X( Q* f I% fif( length (item i, f' D a6 j ?4 e
[trade-record-all] of customer) > 3 )
: e4 m4 z0 L( x# @* p x P' ^) m) Z[
. h6 M A8 V7 ]. Lifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
/ u$ c/ n$ g0 `% B( |[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]7 Y1 F" n, N" U3 K: I W) u
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]) J8 f5 b) y( i9 F
]( z* U1 S, y! _4 P& k' T
]" V& X' L: u7 Z6 @# e
set global-proportion note
/ a2 r( {# y5 T]
0 C* m. b2 q2 fend# ^. T7 N' O6 v1 T- m$ L
, Q( J- }! j4 i5 cto do-trade/ K& O/ [' m$ P, k0 Y) h( N, {$ s
;;这个过程实际上是给双方作出评价的过程* f3 N6 E( M. [% L# E+ Z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
) A+ {$ { Z" ^- l$ wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
8 |% F# G r5 `% D: F4 dset trade-record-current lput(timer) trade-record-current* W, }/ b* S( d9 _
;;评价时间 F# m$ |' h0 O7 [
ask myself [7 U( Z* o8 a" _
update-local-reputation
6 q( m) l9 A0 ?8 O1 ~1 c6 d: `set trade-record-current lput([local-reputation] of myself) trade-record-current
% J* e$ q3 ~# J1 @3 V1 F x]
# P# E' M' N+ A# ?/ S& V% J! oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
0 t) z: b7 Z0 ]- l% u1 ^;;将此次交易的记录加入到trade-record-one中1 R$ D; H& ~& M1 o/ v
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ K+ O* z s4 I( ^. L
let note (item 2 trade-record-current )
7 [* D. z( V/ ]5 h7 Eset trade-record-current
7 D# X' w; P4 Z- m, p4 N(replace-item 2 trade-record-current (item 3 trade-record-current))! j/ ?% p+ A( h
set trade-record-current7 e5 S8 l/ ]3 \
(replace-item 3 trade-record-current note)
. L" S7 @- Q- M. e Q, o0 x
7 b6 N: m& H& X8 w3 y. G R
& A" x7 N5 K! i- u2 [5 _ask customer [3 T' u3 H D+ j3 B3 L
update-local-reputation
8 _( Z* `5 n4 f$ p7 i0 zset trade-record-current
- H0 B: B& {, E$ S" e9 v, U(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + ]3 o! ^: s& y1 p9 Y) k3 E! q
]
* W0 O8 E# O2 j
+ ^4 _: ^' [. C# D; t
: S5 S& f0 ? v }3 l2 M1 Uset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; p, ^6 T! ]* p p
" f/ q$ _' P3 L: Cset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
* |( p5 I% W$ C7 o;;将此次交易的记录加入到customer的trade-record-all中
$ O) l+ n/ \1 z$ [0 ?# `* I! |( ]end2 p& Q! C% a# l5 d% U: U: S
8 A, A- `( H% z2 j8 D* I
to update-local-reputation9 A8 [" o4 Q% H9 A% O$ O% T9 i
set [trade-record-one-len] of myself length [trade-record-one] of myself# z; M: f( r9 }2 G" E6 ^ Z
1 \' k' p* t+ `* G
$ E" S+ Z/ P/ `* ?
;;if [trade-record-one-len] of myself > 3
5 l1 U! W, _1 W( e- _update-neighbor-total" @/ X, y7 h4 g5 Y4 n
;;更新邻居节点的数目,在此进行
; a8 A1 u2 Z9 q8 o: d: p9 r, ilet i 3: e1 ]3 P" D, a8 G
let sum-time 0* {4 M* T8 x' Q N; l
while[i < [trade-record-one-len] of myself]
" W& O5 `4 E9 u7 _. f1 P& t[
1 f) Q! q" k$ L# R [set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )6 I+ k* s" b' t; r
set i$ t5 R, O" _" w- R) V
( i + 1)
8 ]9 T/ g1 ]8 D! Y]4 o+ @& `$ e# @6 Z9 K( u4 H
let j 3
- \: u, Q% G( _let sum-money 0! G) g2 m* z4 E) Y1 D" v
while[j < [trade-record-one-len] of myself]2 W. T b/ L0 } v& B
[+ t& m) n5 A1 b# M
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)% P( o) W. b7 q6 o) X1 A G2 X
set j
% m7 D* `: e: {3 @6 ^( j + 1)* m- h5 J% k3 g
]
0 r8 }8 D5 b1 @: C( U2 R* klet k 3) W4 e* }- k8 e- q
let power 0. J* k$ l' {4 M- k9 b1 q
let local 0/ R9 [9 L8 @' V) ~, k* [) X! Z
while [k <[trade-record-one-len] of myself]& i$ [% r* |1 \' `/ W! b( X
[
' }+ ~3 Y9 b1 T7 F. vset 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 y4 n1 Y% f$ \* v
set k (k + 1)
3 n: S' {# d* P! X]/ ^) }/ p8 k/ r; Q4 V1 E+ H2 t+ u
set [local-reputation] of myself (local)
& O* a* U7 T1 |( n0 ?end
, l4 j9 K- R% |$ y" G& K: Y! \
- c. x, ~9 v; _' a: u' }to update-neighbor-total
/ }( V+ n5 F0 s6 L: B/ J3 j5 q6 z6 \' t( ~: ?
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]* q7 L0 t5 m7 a1 X& z2 k" {$ E
I# [7 l7 g: ]& a( Z
* o. e! v3 L% ^: v% k! X7 U1 J3 |4 [
end$ X& {1 c2 ` S( V# L" X
. I/ [) Z- g, c) G5 G& `- ~2 Cto update-credibility-ijl + d+ W- Q1 q) v1 H0 P
- e* ~7 g' x3 b( C6 w3 N;;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 a, n7 z N7 ~( alet l 0
6 w+ i) A$ I+ y1 s, s4 X9 Jwhile[ l < people ]0 g5 v0 p8 P0 ~# m) [/ B
;;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3 U3 j8 A* P/ ^
[6 z9 _ d( G& f
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
" O2 C: z7 D4 _+ g1 fif (trade-record-one-j-l-len > 3)
$ J# R4 Y$ C2 T+ @/ w6 {$ u[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-one2 _5 g4 ?! q7 \, m. [4 g
let i 3
( }* ^4 f. V3 s3 N; o: v+ Wlet sum-time 05 q1 [4 C2 A" t$ P1 h( k
while[i < trade-record-one-len]+ G* H1 c6 m! D1 U( ^9 k; C7 l
[
- E( b4 g) S7 zset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ). ]2 ^/ n' y/ I6 ^
set i9 k1 J+ s" N' _( w" l
( i + 1)
, G' I+ N' v; t# |]
0 @1 e6 c; @ ?' W* B6 D- hlet credibility-i-j-l 0 i) q: v5 B, [5 Z% v( C h& l& X1 ^1 P
;;i评价(j对jl的评价)4 M- P% R# h6 n; q1 Y
let j 37 M* D0 [* B& u
let k 47 T f3 H3 M& j4 I$ `6 z
while[j < trade-record-one-len]1 q/ G" Y1 Z" B
[
8 T5 j* y$ L( {3 u# }& o7 ?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 D# S; R4 D7 S$ }( Z G& `
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)/ t4 S% E) n8 g# i
set j' o) U; U9 ^/ e1 {: A
( j + 1)! J2 z$ a! I+ b% a% B$ [
]; i3 z: [& J# r$ e2 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 ))
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" u+ `' b2 i; p( @9 f9 g' ?, ?; M
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& A0 o4 U% X2 I
;;及时更新i对l的评价质量的评价
5 a+ D: l& {$ V, oset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]- F# o, U" q3 ~( {
set l (l + 1)5 l1 U; [$ d4 l1 f
], Z' h$ ~ u; i" w3 }; I" Y
end
9 [, R5 Q3 d" y8 _6 o
/ A$ ^; P) K8 ~% l+ L# a# g8 P7 mto update-credibility-list
$ N- O; ^4 i9 t6 P3 llet i 0* p6 [% I) `2 [3 V. O/ b
while[i < people]
* N. |# T: A, X" A" Z" O[/ Q, p# X6 ?9 P5 n1 ]8 z6 J5 X9 ?9 V, [& @
let j 0
& E% d- m2 a2 [let note 0
0 n9 h5 r x! Ylet k 0- l& p: w) L0 [& J9 U8 v( E
;;计作出过评价的邻居节点的数目5 `3 e, U2 q1 u
while[j < people]& m P% c; d e) ?% O8 r+ O
[: k2 n3 x. C S; ~/ |) L$ U
if (item j( [credibility] of turtle (i + 1)) != -1)' Z9 H; |! E1 f- G+ r3 k4 @0 T
;;判断是否给本turtle的评价质量做出过评价的节点: I0 r6 u# N1 m) u
[set note (note + item j ([credibility]of turtle (i + 1)))
9 p6 @& X5 j* P;;*(exp (-(people - 2)))/(people - 2))]
$ X" p; h, t2 \* tset k (k + 1)
% {# ~$ j- V+ k2 c9 Q* m. o]" M$ q7 [4 z- a; y2 p% p
set j (j + 1)0 Q3 Z4 V/ N9 }* A! x+ ~
]
- d. }$ a0 p5 p7 t+ [4 J$ s' ?# Gset note (note *(exp (- (1 / k)))/ k)3 i6 M+ G. Q5 ~; T
set credibility-list (replace-item i credibility-list note)& d2 J% P+ \5 G- W4 a5 q
set i (i + 1): H2 n h) o3 X
]" Y9 R4 f: P* @6 }/ x
end Z) a! ?+ U! w l* M; {, M- |* A
& f9 B4 G# j( b( {7 `
to update-global-reputation-list
) f4 N9 @0 y* l' mlet j 0
( {9 I" [- M0 F' h$ t8 ?; awhile[j < people]0 F( `* h) v4 a, Z
[% H) A" r0 S" b; \! a. Z
let new 0 \: Y2 O- C% Q3 n7 w4 q% o2 B
;;暂存新的一个全局声誉
' A1 b& h9 e; slet i 0
) U8 Y6 @" V: @: f, G8 X( `* clet sum-money 0( b6 H+ d! G# N2 a4 ^5 _
let credibility-money 0
# _9 H6 l7 n2 iwhile [i < people]
8 V, Z: `' R0 U+ H[( a' n: d( g+ t) ?( z) ~4 L5 `
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
* V O: c& C! F* f7 n/ sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 W! ^ b3 B" w% ]
set i (i + 1)6 ?9 R9 G4 a( }2 S
]% }; q$ A0 p- C) \
let k 0
5 d8 {. s8 N, b( v' [let new1 0+ f% C6 J& M# P! u# O- y5 m" f
while [k < people]3 `4 s! Y0 S/ b2 Z; i( g
[, e' U" X% b$ [" R- 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)* u8 N. u& u% M8 @. O
set k (k + 1)
1 G6 e* y# Q! K- m' Y( u]/ X% v8 r7 }% a# ]( e1 q- [7 P7 O3 f
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
! \7 k( T3 r* C) u1 oset global-reputation-list (replace-item j global-reputation-list new)) E6 a" n$ g0 [
set j (j + 1)
3 J; q) u) G+ a c; Z# z4 n$ a]
, \. `9 _% N! d7 e2 P, U) Jend
9 G3 j! `2 A! p. K( t- q8 V# J( V1 q* v
$ a& F3 M, p* q+ E$ O5 I$ F9 G5 [6 ^
3 O5 `( ?* c4 s7 t, @to get-color
3 k/ M5 q; x/ J2 b5 j+ ^2 M. e3 k" O: r4 G' x5 k
set color blue
8 D6 V6 @4 r; {5 G6 rend e3 w0 A9 q4 L; Q1 W4 m
) P8 |/ Z4 j* H: F; s5 I; Z
to poll-class+ Z2 _. N# w9 X- ~# t
end% X& \. V; {: k) W8 b
, X/ o+ \$ m+ l- U: B# l$ s
to setup-plot1
( l1 _9 s' S* {% u) m l4 G
! d$ k7 x0 Q+ z: g# n% `set-current-plot "Trends-of-Local-reputation". N! ~( \4 y6 P6 I
9 D( j- @3 _9 d0 ^8 w Q2 U1 l0 V
set-plot-x-range 0 xmax) v& L7 J+ Z7 \& O
9 z4 s: f% l( ]0 T
set-plot-y-range 0.0 ymax
5 S: n4 C7 W" Send/ `+ B9 X& @$ H6 U
' ~; u1 p- [! U( o( a+ @to setup-plot2
' Q8 \' @, U/ X+ q2 L- G! r/ X" {/ L
set-current-plot "Trends-of-global-reputation"0 ] ]9 _$ \! [0 `; z
) w" J8 d! d+ R7 x. l
set-plot-x-range 0 xmax; o. f5 |, t K& _ _( [5 t* h
- k/ {6 C5 C( ?- ^/ W; l& \8 |2 Qset-plot-y-range 0.0 ymax
$ K. L: V8 p6 k: z" mend
* V: |8 I4 l7 Z* ?: f* \: n, i, ?% i) R3 l. G
to setup-plot3! a" o/ x* @8 _" t9 L
& \1 C% {% n1 j1 i
set-current-plot "Trends-of-credibility"# i' Q% m2 B8 x; J# K
3 u" H2 W( T0 Iset-plot-x-range 0 xmax0 k! m y1 K6 b0 {6 [
9 P3 }1 E4 |. ~; qset-plot-y-range 0.0 ymax
- o: z7 q- N: C# P) tend
/ u8 _# [% N4 x
& ~9 }. [& B! e; \# mto do-plots
( ~& ]+ h; m+ oset-current-plot "Trends-of-Local-reputation"
* l* ?5 L0 y) Aset-current-plot-pen "Honest service"9 m& S2 q+ h' r' ^5 W$ O8 C
end
2 j' {1 u; w/ S6 X
/ }+ S: K5 ?% U, I( l$ c[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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