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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8 V& g. w% s. U
globals[/ |- W5 _0 o2 c0 n& m. T
xmax
8 ^4 u. b& ]: ?3 p, m0 Y0 {2 Yymax
% X; N! v; c; Z- K8 u: Bglobal-reputation-list+ R8 V: Q) f8 H; j% s
4 z- Q- N* {' A* y8 `2 j% @
;;每一个turtle的全局声誉都存在此LIST中
H) f. E) U; A# Q* S8 Q" Jcredibility-list
- j4 f9 |0 M H( f;;每一个turtle的评价可信度
4 }- i4 h& @4 \6 ?. t/ p5 v' I' yhonest-service
z% T7 B) A- \. O# @" Zunhonest-service
+ k6 e+ u, }& t- _, H# g- J Roscillation
' \) h$ ~- A- Yrand-dynamic
5 @' E& H0 K! c' u* {]
) M! H; B4 I% n- P6 u% T. v* F$ g" Y; x6 g7 ~7 t J5 M
turtles-own[
0 ^, L" d V5 \- @ A2 l1 \- atrade-record-all$ v% |) e0 @: ?! F
;;a list of lists,由trade-record-one组成
5 L- O# [" j" r: h Z: ntrade-record-one4 b) S1 m1 L. U+ l& m4 Z3 Y
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
n: B7 D4 q- c( L4 |! {
; {9 a4 t6 Z5 K. i3 P;;[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]]
% [3 v6 _$ J" o. T" atrade-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]1 h( m7 K8 T' p( q4 @. \
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list0 w7 S# i7 G, F8 d) G" V
neighbor-total& o; K9 ^* }& z' \" A Y' c
;;记录该turtle的邻居节点的数目8 r' v9 z4 Y _; }& O+ ]: [. o
trade-time* z' J( I: L* J' G5 q( x
;;当前发生交易的turtle的交易时间1 _; z8 v' F$ G5 i" f! b
appraise-give$ } V6 q/ G2 H
;;当前发生交易时给出的评价$ f8 f$ \) w% l# E
appraise-receive
. e; Y. a1 ?& F: v;;当前发生交易时收到的评价3 a# ?7 y' E: Z# ?0 z8 J8 A0 T2 ?! ?
appraise-time
( [3 A9 P& P, \;;当前发生交易时的评价时间
5 R) E5 |' b$ A1 V# r/ }5 hlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
/ j5 k* Y: S8 [0 F9 ^$ jtrade-times-total( c! K6 C. K. G
;;与当前turtle的交易总次数
4 |1 a% c- W3 S1 jtrade-money-total
( r' Y" K1 [" r2 ~ W! }, O [;;与当前turtle的交易总金额2 z) ~0 a& ~1 D
local-reputation: U3 I- }" h' i0 v2 i8 J; F0 r7 `6 \
global-reputation
7 I3 O; H* S% x+ Tcredibility
1 \7 U \! r- n3 d;;评价可信度,每次交易后都需要更新
3 V5 ]) c2 v; _* Tcredibility-all% q# x- A; t& j* M+ i: H
;;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+ C5 G1 W$ q, Y6 C% o
0 U0 N6 m/ S. N9 }, x;;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
9 q2 N3 z8 ]9 p) I; V9 [. A9 w+ }credibility-one
3 [: R0 w. |& H2 i;;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
3 x: H5 G/ M8 Z: L7 qglobal-proportion" P$ w1 W1 v! \3 t2 n# A
customer8 H! [* h- C) @ G0 L2 I
customer-no2 X, z* O: y3 o. i7 @& i, ?
trust-ok
; a* G) v4 S. p, E- m8 dtrade-record-one-len;;trade-record-one的长度& D. l7 N! J0 X% `% D, u
]
6 N, ~ W* Q. V) |; y. Q/ D
# V$ e0 h6 |3 u7 P' r: |+ |% ?! D: i2 @2 O;;setup procedure
% R" {: \* L* ]! L3 V# N( Y" f- L' w7 C n) ?9 F
to setup) Z3 u: N. Y. z P! O* n0 L
+ x' V/ ~ K+ H* J+ Cca) D g) U( q1 p( `' H8 Z
3 F8 V; Z8 ?2 f- @& q
initialize-settings w8 } m/ G' S7 Y) O
7 T! P( f$ ]! ? _" b( B3 zcrt people [setup-turtles]; P# \3 g [: T8 a9 h
% }% }) i$ ^! v( v: A/ G
reset-timer3 X/ v. |. l% {
J5 Y i; @) Bpoll-class1 g1 E. P5 ]" C( T3 z2 S, o4 Q3 @
# }. C# z6 i1 z4 c8 @setup-plots
3 Y ~$ C) M( ~& d( c( z2 j* y& C$ a0 _) i
do-plots
/ Q4 b) k8 U. R+ H! d( F# S" Q$ wend4 E b( A- @. d, C5 M' n
1 S. }0 W9 {/ ^0 H" ]8 ]8 c
to initialize-settings6 K+ |* B3 `/ @* \; B4 i
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set global-reputation-list []+ X& `( ?3 }5 r7 L4 g
; S U6 H9 [, S" L$ e2 m/ F8 ?set credibility-list n-values people [0.5]
3 R0 w; _+ [7 _, C# r" H% P3 W9 J7 E$ Q& b
set honest-service 0% n1 E B* L* }" p
$ g' Z" J2 ~1 c/ i W9 }# E- z" Oset unhonest-service 0
2 ` j; }% w9 \$ C8 a
6 A/ S. e# W8 V8 F9 V( x; x8 c* Hset oscillation 0
$ R/ K$ @, l/ m
, A# x1 k% v4 [ cset rand-dynamic 0
: U! U" Y" _% L: D5 }/ Lend
$ W' q5 |7 t2 X- L E
2 \6 w: D, z% m6 b, z0 {* |1 ^to setup-turtles ) q7 f& V( y' }4 ?( M: L0 z6 H
set shape "person"
& T$ M+ |- @2 Y" Q% dsetxy random-xcor random-ycor
3 ~3 u& K/ C9 {! _6 f" B. cset trade-record-one []3 r g/ \, B3 R! Z' e8 R; Y2 D
0 k0 b7 p. @( wset trade-record-all n-values people [(list (? + 1) 0 0)] H- @; g& Z6 u1 e- H2 B
0 |$ @2 V9 m# Q. kset trade-record-current []
+ C6 g! J* N O) f0 l: R% Zset credibility-receive []
" d- b, Q/ {% [3 d( aset local-reputation 0.57 i' @! w& a6 n2 G. c
set neighbor-total 0
. }/ q8 o% e2 ~. a _$ p- \set trade-times-total 0
7 r( r- D) d. uset trade-money-total 0
9 p6 c/ q; g& _* s/ m2 F* yset customer nobody
9 n( H, J6 K7 P t- ~; [set credibility-all n-values people [creat-credibility]9 H* Y8 b9 m" M5 w6 a
set credibility n-values people [-1]6 r. p7 W" }, Y2 |( J4 E
get-color. I, ^' y) s# _. L
" O! x; _6 D2 k$ E3 `% A' w: dend
4 k4 U. h' q) E2 ~
% I3 F9 k& A. {' R% o- Yto-report creat-credibility. X5 {% n( q, `5 j
report n-values people [0.5]
$ N9 k/ Q1 [! ~/ q* Fend
" @% t) t5 b! l0 ^# w
6 i6 m# z4 c* f, U- Z8 Ato setup-plots
* b5 v( w) d& s$ L. L% `% G# d3 v* ^2 @. b3 L# T
set xmax 30
8 x1 z- Z \" s! c0 Q8 _
; r5 ?7 O. m t. N: I0 S3 H1 f" jset ymax 1.0
|3 F1 s, I/ f2 U0 h% \4 F" Z+ ]- v( ]0 S
clear-all-plots
4 u4 U* }0 _' ~. ?( `4 L1 x0 |/ E% R" I6 z
setup-plot1) t: Q, O0 b$ K9 R6 H9 H! H9 |# ]
4 _* N; C' v* c. x1 G! Usetup-plot2 E" o3 a" y) m
, n A, t: O4 Ssetup-plot3, K& Q7 w& ~; F5 l: B
end4 _/ d5 x+ L) Z7 ~" ]
! f. J; j$ k2 f8 l4 R
;;run time procedures
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to go2 f8 U( a5 E, c) _
: q, Z+ X3 N/ f( \5 M* Y9 @
ask turtles [do-business]
# {( O! p1 a6 Y* m; U8 ?1 W, Lend/ ^! q1 x8 j* j/ z' B* `. h3 j0 I
- J' R* d V; g) V" i; Pto do-business
, S. Y! \# U1 R& x2 ]4 ?' b0 ^9 g2 c5 c
+ u, q) T( J$ o5 brt random 360: f$ O7 ?' m2 O* j+ m# D
A: ]7 \1 N1 P$ j3 N7 t
fd 19 w. i A& _' t, ?% }3 V2 E
6 J+ G9 ~" k% M' c* W- A2 gifelse(other turtles-here != nobody)[
& Z) ^( o' b1 z1 {/ |; g7 ~- l
. p: b7 Q, v. gset customer one-of other turtles-here% W" d/ y. F9 h0 ]
$ f9 o/ z l; g* V% ~5 V3 H
;; set [customer] of customer myself" ]. H) r6 y2 B: o5 h1 l
+ v. o7 J, G. B3 g+ |5 ?set [trade-record-one] of self item (([who] of customer) - 1)% Q( N3 D/ L/ b4 s R' {
[trade-record-all]of self+ c! }8 o+ Q! G @5 R7 h2 n# i/ m
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
9 `% V& b$ t. R2 K+ f: {& \5 Z5 m0 l5 ~# g1 L9 H6 N
set [trade-record-one] of customer item (([who] of self) - 1)) ~1 i# M n1 K# [1 F
[trade-record-all]of customer
: `# `0 e* ?6 X1 }/ {
0 W2 ~1 Z- G) s0 P& uset [trade-record-one-len] of self length [trade-record-one] of self5 g( L+ i8 f+ B/ j t1 B5 r* @$ o
$ h" L, O% U: S0 {set trade-record-current( list (timer) (random money-upper-limit))$ E$ _/ a M& T: g% L' N
( X) K `2 f+ c+ o, w. W2 E9 A" V
ask self [do-trust]
0 S/ i7 S! g7 x0 g;;先求i对j的信任度' K+ L% ~/ l- v* S
8 C: Q' n; n( @- M
if ([trust-ok] of self)( {2 g1 W5 n9 ` x
;;根据i对j的信任度来决定是否与j进行交易[
9 j8 Q+ R2 _. I$ ?! P& o$ Jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself1 N l$ b6 \8 `
. ]; Z5 g# R; F% N! j* x6 m
[
( T6 K6 O g( {- K) T
" p1 r) D4 J5 p2 A5 z9 c! D9 Vdo-trade
* K' ^: s' N5 e5 E* f7 R
( C' G. P) \) _3 h) G* fupdate-credibility-ijl
$ [9 Q6 Q g2 Q6 }. \
|& s" `8 Q' n. F( Q$ {& J7 g: P; ]8 Rupdate-credibility-list
7 A' R! u7 }+ J- @# T% U
. L9 e! R8 n- U" ]: K O
, g, {: d# P6 M3 p7 j2 Eupdate-global-reputation-list
# @4 L8 C! n: p& c" W5 M. n/ ]
poll-class
$ R+ \- x" p( y- `) M* w/ ]9 ]2 s. L Z1 Y! m( L
get-color, b9 t) x+ ?; |& {; V
8 f, F7 S8 k+ H; _" s) i$ v% a
]]0 h/ u! H. u/ J
! k( c. H/ Z1 k' B b+ Z, A0 \) v7 v;;如果所得的信任度满足条件,则进行交易
% n% c, Y p2 H% `4 v
) i* @2 t2 ^8 o1 J1 `# E[( Z* W- i$ I. V. y+ S* k1 Z& P, f
( @" F& |" M9 a7 [4 h6 C. y6 Crt random 3600 j j) Z O2 h; x- G
" v1 q+ G" a) {6 w* hfd 1
+ h h: H3 r! \0 \/ T0 F
- k9 P1 a6 R2 V e, `3 P4 D]
$ x1 {1 y8 p+ L% E X9 z
D: S0 b* r2 u7 pend# x6 h8 s% b2 } ^7 T9 I
, y8 M' b O- k% x6 n0 uto do-trust . g* q7 [4 z$ B+ G0 Z: I
set trust-ok False
2 b" P% Q+ f: l3 e8 @7 `
H$ M! o4 x9 p. @1 B+ P
4 o3 Y, Q/ z6 F8 I, y; v: r2 Rlet max-trade-times 0
9 b" e6 \/ H& r+ j) U# Cforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
9 r, C1 Z; t3 G$ c7 C. `+ [) v Xlet max-trade-money 0
" E* w9 Q" I- d+ Z' ` ^foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]3 ?7 A6 d. U/ D' [6 O3 @
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))4 [9 w# _: s& U
1 B# Z6 M$ C- Y l8 m0 o& s$ M7 c1 n9 |0 ?
get-global-proportion
" ], q- H3 r4 l+ R+ wlet trust-value, J6 x) i+ H6 K) c( ]
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)
3 E- W" e& W+ z1 e) j* a# eif(trust-value > trade-trust-value)
7 ]( _) h. O: c# U5 |: `' ?5 n; P[set trust-ok true]3 Z) j% T8 Y8 i4 k! W
end
5 |0 [+ f0 c9 ^6 o$ w3 [
5 r6 y Q6 F. j8 Y& Kto get-global-proportion" X. S E1 W! n; S9 |
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
9 |) L0 K0 J' p3 d4 I* w+ r[set global-proportion 0]
5 T) j( T: k* p* s* m( q. N/ S[let i 0: S, j$ F' d& b5 e1 z
let sum-money 0
4 g: t$ t8 ]5 V: n& N0 [% G K: wwhile[ i < people]
" p2 v- n+ p+ X Y1 t) L[: j7 } ?. v3 r3 s$ i! d, n9 L
if( length (item i
0 ^% n' U9 }/ L2 z# N[trade-record-all] of customer) > 3 )9 ~( g8 O: _& p( N$ ]
[
; Q! F" a, g: ^# s0 oset sum-money (sum-money + item 2(item i [trade-record-all] of myself)), l- o' {' o/ r* P1 Y& s
]
7 K. c0 K$ k" h6 |]2 h7 }* U& d7 w0 z
let j 0
+ p0 ?0 m$ I4 ^; xlet note 0
: r$ V3 ]! v; w$ G" zwhile[ j < people]
7 E/ _( j# n: d[
: X# N1 `: N& y* x( Bif( length (item i
8 R' {- Z, b9 O! B& F[trade-record-all] of customer) > 3 )
) Z' s7 j* p' s# [6 v% U[
- S+ L" n5 D' @; x5 _+ |ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
; z% n; J# ~ S" p( J[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
& l# }2 h5 M {4 K3 ][set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% o( |. Q( Q k$ W& O4 J: Y) L]
7 y* {, l9 l: Q+ x& x9 L) m]
; ^; W. z7 d' M5 E# o) ?$ z$ o& Tset global-proportion note
2 c8 j3 S" u/ q* Y! F% c# ^; n]' a% E; z/ l8 r) b4 d. Z; j$ p6 K
end5 M x+ C3 P: @
+ ]8 h9 {6 _* C! x$ Eto do-trade
' I, i% e$ v, ]& M;;这个过程实际上是给双方作出评价的过程
1 R( e( ?8 L7 Yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
7 y8 B7 J4 {, Y5 Z/ E& g% e I) Q+ yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# m! j. H' q; P4 j
set trade-record-current lput(timer) trade-record-current% P2 d6 U K7 V$ h$ X
;;评价时间) ~* L. Y5 {2 K5 z0 ?
ask myself [. O# Y2 C1 T; c
update-local-reputation7 e- B' e- l1 J, @3 Z. A
set trade-record-current lput([local-reputation] of myself) trade-record-current
Q" R" `" q% Z; W9 \- v]
+ F- E9 N% t% iset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
1 g& M6 t' v0 d;;将此次交易的记录加入到trade-record-one中0 C' k* k( d% w- w8 l
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), ?" [" }" U: k9 b, [- j
let note (item 2 trade-record-current )/ {$ k; B6 B4 t$ X
set trade-record-current
% u/ K' x. E" ^1 G; N(replace-item 2 trade-record-current (item 3 trade-record-current)), W, \) Z$ ~1 f5 {' Q( g0 c4 g/ X
set trade-record-current" \9 x% J" M' z- ^
(replace-item 3 trade-record-current note)
6 r# N% D& J/ o6 B7 k* M
, W2 x2 E$ V( u! \- d6 I/ }
4 n+ f0 ?- i+ I' C7 Bask customer [
* {1 l0 W1 g B6 H! b3 v3 Z2 Qupdate-local-reputation, z& ^, B+ u, _, D
set trade-record-current# ?$ g" G; w. ^0 X% K
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) & N/ }: N! r/ [& D: d! W5 k' P
]6 L' g0 H6 f) c
7 O Z0 Q# x: h3 C. F7 J5 |
6 V; U3 e" m$ t# ?+ s+ Yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer( M; Q( f% S2 Y
8 L: z4 S! X- j, m2 [set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))# A; A" w/ ]8 V/ y: y# S8 V# {
;;将此次交易的记录加入到customer的trade-record-all中* w; r/ u' q' [: }
end" q" R, z& G+ z1 ?* P7 O8 {
* T O& v2 q7 N3 [to update-local-reputation2 U! R2 j1 N) D* \; g
set [trade-record-one-len] of myself length [trade-record-one] of myself
! ~8 A& u' z$ u' R( j
. y1 x7 k/ D$ T) f5 Y5 p, x0 Q7 o! [! Y) [ T* c
;;if [trade-record-one-len] of myself > 3 % k0 e/ Y$ W6 L4 o) Y
update-neighbor-total/ X' n* y+ G% O
;;更新邻居节点的数目,在此进行7 t8 y4 G4 i& I0 x+ g
let i 3
9 c$ o" X5 d. Hlet sum-time 06 p; `; n$ }( V% ~
while[i < [trade-record-one-len] of myself]+ ~, I+ W+ |% v4 L/ R1 V
[7 k+ v ~3 T( `+ Z
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )6 u- E& Q! f* J/ u! C0 i2 `
set i/ d+ B' |) c# y4 s4 L4 E' v. N+ Q
( i + 1)- n1 w7 z: q1 g8 ~7 Q
]: p# j! `" D5 E1 t* O5 S
let j 3
) C) D7 l8 ~! m! s; }; i Y0 [3 E6 [let sum-money 0
8 n5 b1 F$ r1 G, b: R8 x& v* Rwhile[j < [trade-record-one-len] of myself]
& Q7 G) [5 e& J[
9 w6 J9 [4 K& o+ \" S3 nset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)4 e7 V2 B$ N9 l* M9 c
set j
9 B, J3 ^6 A' U5 h1 i; }( j + 1)
- z: s ?9 c' y. V* f]8 D7 n* g) x, e8 a$ `
let k 33 N3 h c" F. B! c
let power 0
1 D: T5 g& M7 V$ j9 hlet local 0
6 U: o# t. G: @( X5 Zwhile [k <[trade-record-one-len] of myself]0 z2 h5 r2 z+ [0 K
[. h2 I* {, j5 k1 O, M3 c. ]7 n `
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)
1 {! C# \% B4 I1 Rset k (k + 1)) e8 a2 ~/ ]5 W
]; _# L- B# J! `
set [local-reputation] of myself (local)
. }1 ~' a+ F5 y- ~end. _3 b: Q3 g5 l7 q. K
0 P; p5 e8 F- e4 ?! Z9 J
to update-neighbor-total4 l5 B7 z: J8 o! @
& e; I5 t6 o# l3 w# U5 mif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]3 \$ l5 _ d) q6 [# C/ F
- ?9 \2 w3 i. C
* O8 {5 `$ Q' y) R! {end8 n: G/ [8 `6 J/ F; n
6 ?% Y9 b) z3 `; r3 {to update-credibility-ijl $ ?% U* O$ b) J# O9 }
3 _* Q7 D) e* }$ n( x
;;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 q: S. y! Q6 g) W7 q
let l 0
k/ [2 I3 I% C& Dwhile[ l < people ]% m, U- S& ]2 P* S/ 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
. V I* t% d3 R) U[
8 [5 I6 U; e0 S' k% [let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
& t" p) ?7 O' C: c/ W n) Wif (trade-record-one-j-l-len > 3)
a. t3 q0 M9 o! o[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( Y( ?9 A& q8 a% D% |. b0 e; K
let i 3( y# B* |/ v$ M; c$ o# V
let sum-time 0- L$ H% u9 t6 H8 k1 j+ y, y
while[i < trade-record-one-len]
9 |+ H7 \3 j3 `9 @+ x0 q$ u$ g d[
) B& u- }, i1 Q) [4 L" mset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
3 u2 `: |" o& w. L5 g! ]+ dset i- d2 m4 ]" T- O* A' p
( i + 1)' V2 ~* b Z+ {8 K! C
]5 [* x9 N7 W2 T4 f" @" V5 T
let credibility-i-j-l 0
; k+ o+ J2 _- T& y: b& y: Q;;i评价(j对jl的评价)
6 n5 T3 Z8 j( R" q- q- \. zlet j 3* {, q" B4 N9 Y+ P5 `( U
let k 4
9 E+ c) e- {7 u7 ?9 N$ xwhile[j < trade-record-one-len]6 Y* _: H ]# }$ w. |
[
; R6 v r3 L$ 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& _; u! m5 c3 ^/ a3 Q9 h
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)* B! G1 T' x* L! T) [2 g, J
set j
% l5 p5 ] \2 n. a, U8 y( C( j + 1)
2 T9 i" B" w* U% E6 m1 z]
3 t/ l; G, o4 r! wset [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 ))
" ~; Z2 @ ^' X3 o, {- a( @7 J8 z- B* U ]8 Q
0 j* Y6 a6 m' A' p
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
5 L; M) P; k* s: y3 W6 C- I) y% H;;及时更新i对l的评价质量的评价1 H, T8 l8 Z4 i+ Q# Q
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]2 S, A A2 p U8 f# U; P% d
set l (l + 1); ]$ i9 q# H5 h ?! W1 b
]& J9 v, B3 I) R; i( i# w" w
end
6 m: D6 k. z- v p) k4 D+ B; J3 w8 Y0 j$ i( L2 z
to update-credibility-list
, Y+ z" e) e; f4 m4 X$ Zlet i 0
! i) o* X0 j" D! ^while[i < people]) {# b: Y6 ]' s& c7 @; N# K
[* L9 i+ C1 n! O
let j 08 z3 H# E2 Q. I
let note 0
) N! t, f+ {; c8 |let k 0
0 B- O2 o+ g& X, b- Q! v;;计作出过评价的邻居节点的数目* ^+ q( x( V/ ~1 S- \
while[j < people]
2 f$ j. Q& b( m[* y" \" s; H+ ?, N! P- Z8 X5 Y
if (item j( [credibility] of turtle (i + 1)) != -1)
) o7 ?+ s. s( a3 x, L* R;;判断是否给本turtle的评价质量做出过评价的节点8 t$ l0 F* u2 [) ]! f6 m' i5 @& s
[set note (note + item j ([credibility]of turtle (i + 1)))
+ V; R4 O& S/ R;;*(exp (-(people - 2)))/(people - 2))]# r1 G3 y& B4 z4 s! a' e! _1 N
set k (k + 1)# u# I3 @( `4 m- ^9 Z( {
]
. T* x4 p& z; \1 w( U8 r% Wset j (j + 1), R; T& Y/ F( \# k% K3 v \
]; ^7 W/ S# n& P& M8 T" @
set note (note *(exp (- (1 / k)))/ k)
. D p* v5 G6 Qset credibility-list (replace-item i credibility-list note)8 i; d- q" ^# ?; w- m% g* T
set i (i + 1)
% O( I. H4 u6 p* i* r]
6 O. j/ ^0 }1 \2 \( uend
1 ]5 k) c# u% Z E2 y$ w+ J7 _% T& d7 u: [+ s J4 c( C; r' N
to update-global-reputation-list5 D$ m! q; u4 d y9 s/ v
let j 0
# ]. _, q. i% t! p# O( Iwhile[j < people]
1 O. R; Z: ?- C( g[
& o U# t. E7 h3 b: Flet new 0
% z2 D& K& q( ~( ?9 f k4 {;;暂存新的一个全局声誉! B- {0 a3 K! Q, E3 F; `- ~
let i 0/ v5 Y3 l$ I6 B+ F, g4 }
let sum-money 0
! K- P& e% D6 k# e0 Ulet credibility-money 0
) {9 e, g5 v! E8 W c9 Ywhile [i < people]: E+ G: Q8 S3 y6 S
[
k8 |7 p2 @. i8 E3 |' Eset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
" U. E0 Q0 g5 P3 i% n; O& B; ~set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 r+ ~$ T% C/ r( U( L6 Dset i (i + 1) ~4 l0 ^) }& D7 t' Q4 ?9 K5 m4 }+ h
]
/ Z; s% P9 G- G& wlet k 0
1 X& \. L; ^( l8 F H) O* Elet new1 0
6 w* S) t `7 v: A, p2 A: k" |while [k < people]+ t* a+ u( U8 a" A- C, ^5 a
[
4 p& ]3 }2 q, }- u P7 Tset 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)3 x" B( L3 q' x, F6 e
set k (k + 1), o1 ^% z" R' y3 o. f" Q: t! B
]4 s0 W2 s6 J+ ^! e8 Y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ' q7 h) w1 j$ E8 h2 z& m
set global-reputation-list (replace-item j global-reputation-list new)# \1 ?2 v$ b) D" O& S9 R+ h& ?' `
set j (j + 1)
" d+ d$ x/ o3 P- R& \4 O]4 L4 g$ d. y; j+ g# R
end
3 \" v) S5 K7 x4 _. q$ g6 @
2 j/ T0 e% n( `, Z4 R
1 k7 M- @: G7 i( G+ S6 j
* N* {) g0 I0 t- v+ L$ p' _* W- c% e3 _to get-color; n, E/ \& v* }& l8 t0 k2 A
5 L( N" c i# Y! H( G
set color blue9 p9 [! G6 _0 D* A
end
& c: @5 C! s. K# W4 i3 G0 e! e: \2 s
to poll-class$ D# N3 v4 b& Q5 n% y* p
end
4 X3 M" x* x1 B! A
, X+ H4 X: t- \0 S1 E) O1 nto setup-plot1
* a5 o/ W$ b" P% c9 f0 t( L7 a* k2 U2 [. A5 f4 L6 t$ i: N$ G% |4 e
set-current-plot "Trends-of-Local-reputation"4 v; F8 B! w; ^9 E3 P7 y& \
, a( F3 i* M! l( @0 k$ q* j
set-plot-x-range 0 xmax
& V7 q! d0 {3 M% o* L# H9 Q0 ~0 N$ ]- T% X; p. j& c4 H: I
set-plot-y-range 0.0 ymax" l2 @0 ~! \7 g& z' R; P4 Q
end
) P" ?3 U6 Y* ?9 x8 v( d3 h: `) x7 J" u4 q" k4 E l6 u D; g- z
to setup-plot22 o- ^$ K' C8 v3 B! K
5 A* x% t4 i1 C9 B* uset-current-plot "Trends-of-global-reputation"
3 T1 r+ g, U+ w% ^8 N" i1 v9 D% A% D4 v5 D2 n) p' i% Z
set-plot-x-range 0 xmax- |" f: Z5 d6 ~0 E" J: G
: `" [* |2 e1 r& p+ x5 V$ E
set-plot-y-range 0.0 ymax: O) W9 |0 A) Z) @- c" A
end
8 c5 O" ?7 k) g3 i T. ~
6 e5 ?5 c1 w V- {2 ~to setup-plot3# s# B) X& |) m% F" M
, n6 m% ~$ D5 d7 ]
set-current-plot "Trends-of-credibility". g2 o3 M$ K: p; U) J7 @6 V
( O" ]! y" \. O. z2 x, ~
set-plot-x-range 0 xmax) e9 }2 ^/ V' G# p, `: t; N4 ~
0 y4 x9 F0 K! ^3 }: s' ~
set-plot-y-range 0.0 ymax
- f K4 l) L' Gend3 o" g. k' f9 B: r$ o* ~
7 W G% y6 X$ T$ e
to do-plots0 |! D, o. q# V$ y' }8 x3 o
set-current-plot "Trends-of-Local-reputation"
4 [' ?- {' j9 s4 z" Z$ Hset-current-plot-pen "Honest service"
9 M) n7 h0 c8 P8 N& aend! y" S8 R8 Y8 u/ r. m+ C* `
3 t$ w2 l6 J0 E. D+ U4 B[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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