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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
" T/ b5 g7 J2 o N: {7 }globals[: u9 z- L9 F3 C' V
xmax
5 O5 ]! L: `. T5 P9 {5 Lymax
+ ~6 y" ^! \" ]1 |0 a$ }2 D2 {# K1 Lglobal-reputation-list$ t4 L/ o7 @$ b8 l, W! n
; M3 x# G* k+ Z! Q;;每一个turtle的全局声誉都存在此LIST中
1 ~# ~" z# @* Xcredibility-list: d1 u* c- H0 i5 C2 W3 E
;;每一个turtle的评价可信度$ P9 x' y7 d* z7 P+ m2 S
honest-service
1 z( M2 @, n7 m# f* S7 zunhonest-service9 h q/ d c6 x! f
oscillation
* O O8 w9 E) r( J" ]7 X+ r& orand-dynamic' k3 Y6 A6 K k3 H; D8 ^) z
]$ I+ x& n: k. j! F
, F. _0 W$ H* i8 o. }0 dturtles-own[ I. o1 H$ A. t8 c, |; G
trade-record-all5 ^# u" ]& q3 x6 M$ N
;;a list of lists,由trade-record-one组成9 ~8 |3 P0 {& S+ K' |
trade-record-one7 |5 w* k/ a2 y7 M9 E7 |2 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
8 G) ]4 \/ ~' d, G# }, A8 c2 `+ L' O! K* _0 p' s$ @( H, U
;;[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]]5 E7 z. G7 l" y. e: b
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]1 p+ q6 U! M" s: W' O9 A
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' K$ p! U1 `* R* z# u3 X
neighbor-total2 W. O Z* a* k5 C: D9 ^. g G" O
;;记录该turtle的邻居节点的数目7 H h4 _8 p9 I* V' }( C( k- |; } k
trade-time
$ |4 A0 I8 v# \3 Y) k4 _# l7 o+ C/ B;;当前发生交易的turtle的交易时间
( x) b% i7 J/ q# ?; t) D uappraise-give
" E6 P6 V! W. _! m;;当前发生交易时给出的评价
- S! \ g* c: o: Qappraise-receive
2 L# a/ u! @* ?( O4 k: q;;当前发生交易时收到的评价( R# E' K: W) @ a5 j
appraise-time
* _( v4 z( _. M: i;;当前发生交易时的评价时间3 ?4 l( { P# L
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ j# L& |2 v$ d b& t' R4 W ftrade-times-total
" q6 v) I) p \ m* l/ U;;与当前turtle的交易总次数
* \; a" V6 K5 }3 Ftrade-money-total- o. K: {/ {% T" ]( n8 B& s4 K
;;与当前turtle的交易总金额
$ W( T- u7 q* h" v- p7 p# t& {local-reputation
( }2 z0 f- Z0 qglobal-reputation3 S8 P3 a. z* O6 U
credibility9 |& m: I* _4 L
;;评价可信度,每次交易后都需要更新" U# Q( u9 |5 l D! j7 V
credibility-all
. h" O) T3 P' ~- P/ k' ~+ P;;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1 @) I8 e/ w( f
# V, P& B( }! g0 K4 `; u% y
;;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0.51 P- {# _- W) t9 ^7 ^
credibility-one, l- a7 F) e# G4 s: ~& O* @3 M
;;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
7 u7 d- O, X4 a$ R% b( N, D/ Qglobal-proportion
3 ^5 u, R0 C; u0 d! g3 V* Wcustomer+ {+ X2 C2 T9 h2 @. d7 E
customer-no9 g) E2 j. n3 L) x7 [
trust-ok7 }1 C- p" U* B! C# w- N
trade-record-one-len;;trade-record-one的长度" \* O7 M! Y7 `) F: U
]
7 w N8 z+ q p- S3 t* F/ H# n* x& b/ \1 Y" r
;;setup procedure
( `# ~1 m5 o: \4 ~" L9 B8 K4 v# w+ R+ S' k4 ^
to setup, ~( a: l U6 \8 p8 @0 A
* I! @' c. V; v6 R1 ^4 @! B# |ca
3 z# W. ]2 U1 o9 p2 o7 r* e
, T+ Y' e U9 r' _2 Finitialize-settings: o5 V9 u: Y& D5 `& D/ I* A
0 b: ^: N4 m* H) B/ `6 [crt people [setup-turtles]
8 G- X' c) _* }$ O u# Z5 D4 v* n7 d! M' V* h& Q6 C0 M# ~" R1 I" |
reset-timer: V: O" L& t- ^4 p. K* r
' l1 O8 h2 g1 u8 p0 epoll-class6 x9 y2 F3 F" u; A0 K# w
, k$ R) o- Y2 [. @+ ~setup-plots
& H ^' @" k. N, Y( @# g7 l$ G
6 u: n1 }5 D" S9 h8 m8 Qdo-plots4 i* Z3 w, K$ `' Z
end5 I8 N0 M) J+ e& ^) U- X% a' R
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to initialize-settings, W% U1 g3 [. m) O4 E
" f. r0 q: h8 A. T! Gset global-reputation-list []
+ W# H! X0 _% q( w G+ C" I
* x" \& t$ Q2 W+ t wset credibility-list n-values people [0.5]
3 W; `9 l0 i1 R: q+ n: ?9 { }# @( q! ]4 s1 I/ P# u
set honest-service 0& K3 S/ w# Q2 ?$ S) }8 v
2 Z, q% G6 V( f6 ?: ]$ K% O
set unhonest-service 0
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, l* K. f0 {3 E( x5 K( uset oscillation 0
; a& [& H% ?+ ^0 a3 E5 X7 c0 }- k
set rand-dynamic 07 S! {! k. }, Q/ p, q: o
end
% a6 S7 I; n$ \: j2 h, \8 z/ S/ N. o! ?3 H2 M( j ]
to setup-turtles 5 N- d, s! `6 E+ ?
set shape "person"
- g0 M$ P' [* W# |2 R: V6 l: @setxy random-xcor random-ycor
5 @. l1 G) x+ p; i+ Hset trade-record-one []* ? w) I5 F; P0 ]
/ r! ]6 |8 `1 d) {; u$ A7 vset trade-record-all n-values people [(list (? + 1) 0 0)] % p3 c6 u% ?8 L0 }. }$ f
4 z2 Y. f5 B9 S, n0 S4 ?set trade-record-current []
* {& D9 R% I& W& F. tset credibility-receive []6 D4 ]0 T; a* X* b' p; Q$ Y
set local-reputation 0.5' F: x' R5 `0 w4 v# c0 D0 X& X
set neighbor-total 0
+ g. g6 b$ h* f; z; X4 Q0 j1 pset trade-times-total 0% w5 x& ~9 B- a, ?( R( X
set trade-money-total 0% I5 V# m) V6 h/ Q- B( q
set customer nobody, u3 B8 [( f2 u
set credibility-all n-values people [creat-credibility]
: M+ O8 m& F' T. R1 P: x3 |4 Sset credibility n-values people [-1]3 z" j4 q2 x: Q7 T
get-color" A z. d' U" R! Q$ U0 {
9 W( V' g% k% A6 z
end! d4 p; w3 y9 H) C( _
+ \ A6 m& z. T5 |5 v! ]to-report creat-credibility
/ W& L) N- N6 t$ a* y3 R5 @4 Vreport n-values people [0.5]
$ W6 W: S- d% a1 y3 R3 i/ ?' [end& ]* C$ L u( @
5 j6 A/ L0 x+ k7 A0 U2 S, Zto setup-plots6 n. Q7 ~& ?, d# j" @8 Q
, f; Y7 X% I) s% Z, d, q, Z& Aset xmax 30
6 s; b5 n7 `9 ?/ L! s; c, f( \' q7 N( L$ a* U0 v& M1 r
set ymax 1.0& l/ h- Y0 u) J( v: D, J
& i; l w! K( V, |+ l0 qclear-all-plots; V/ V) X& f1 e8 B
/ K8 O/ x( P$ F' E9 z7 J5 F& |, Usetup-plot1; s0 D; h$ T9 P- x
) G' e! x8 q9 F3 z- Hsetup-plot29 S6 {7 M; G5 D) `+ O( z5 Y
- V8 |9 y; e8 {2 tsetup-plot3
# i' {1 {2 D" eend
+ h' h& M. I: s% L
% w* Z5 z; `2 m2 c;;run time procedures
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to go
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$ e! S5 s9 i& M: a N* Iask turtles [do-business]
7 r+ L; _0 k) _* n, `' I0 Q Vend
0 S. A2 P& `5 `# m' T9 Z
& T/ M S) @! [2 Z g6 ]& J; F1 K: oto do-business ' [1 k5 |% F; F& N: f' Z8 |6 X
6 a5 ]2 R: `+ K& j
1 ?$ w# |0 W, x
rt random 360
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fd 12 j0 L0 I9 \5 A+ z6 J' r& c/ d, Q1 f
# G7 i3 i8 a" |: ^ P/ u. Vifelse(other turtles-here != nobody)[
0 A% b4 b! X" G5 F' {$ `% F' V$ d* L, U( z, s3 @
set customer one-of other turtles-here" \3 @1 l" l o7 g
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;; set [customer] of customer myself
. ]8 k% | c3 J- ~$ s% m
1 u" h' _3 G4 k% Xset [trade-record-one] of self item (([who] of customer) - 1)# Y v8 s/ p* J1 }. C
[trade-record-all]of self
; u' Y! z: Y) C;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
% `) Z, L6 D; Y5 x4 d! s2 X6 F) Z" C
set [trade-record-one] of customer item (([who] of self) - 1)
1 @% c* |* E" v8 x6 x3 N* L[trade-record-all]of customer
6 {2 c" ]3 s- z" N/ ^" ?
, U5 z/ v, e9 \3 c$ K" nset [trade-record-one-len] of self length [trade-record-one] of self
) n* h* f4 M9 M" ^7 w
8 i5 a* c3 N. E7 E4 E( |+ Dset trade-record-current( list (timer) (random money-upper-limit))7 t3 V& U/ i% V& n
- L6 ?# i- r$ y& T, ]. N, C, Rask self [do-trust]6 i5 Y5 Y: S' ]7 i
;;先求i对j的信任度
, V1 ?* w) _8 {! A' V3 s: B& e
if ([trust-ok] of self)
/ l. B: ?# E& k k;;根据i对j的信任度来决定是否与j进行交易[' t0 R. ^5 g% J6 T
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
9 n5 C$ k5 f6 v' ~; ?) `# v& L
. d& V$ V3 ?+ tdo-trade
: f7 c- l: m8 E! ~5 r, K7 U+ ?, M: Y/ J. S4 m
update-credibility-ijl
5 ~: F" F/ w X" y# k, [) A5 p. {0 l- W8 R, p
update-credibility-list
5 Q& @- b5 F7 \' i( T1 p! o7 {( H) v+ ^$ X' Q1 Q
/ O6 K8 W9 `$ g. I6 O* C8 G/ W
update-global-reputation-list: K$ W0 y! \6 K( K# ^* _
& N. c& r1 Z, D R6 ^# N
poll-class
) e+ Y7 M/ v' }! }, F
+ q0 B7 s! l' B( S+ Lget-color) s5 M: u$ ^) l
' e2 ^( M x, S* [* E1 e
]]
8 f. v" Q9 r. I1 \) o/ |% c" }- S* P% l, s' K0 t$ @3 L7 |
;;如果所得的信任度满足条件,则进行交易0 J! W, K" C0 Y. M ^, B2 P% u# E
5 j! Q" _6 b7 g- k7 A3 f: o[
8 A" p4 a. G- Q+ t9 L r/ b# c
5 f# }0 Q4 |: lrt random 3608 ~0 Z. k2 h, A9 C0 b$ h8 K/ @
: @8 q- B3 ]* _4 ^+ t0 Z3 r0 E/ V* r. xfd 1
- q! k" I% x3 Q3 L3 Q s! b/ ~, }4 i9 l8 {/ I* C" q( \
]
4 f: @) f9 |- c; J& G2 y" d( h C* q
) V4 Y8 ]4 ^/ |6 e/ @; _. fend$ b: s# F8 V6 B7 ~. K% j2 K h
) f2 w( ~2 F: ~- U- U. G& Xto do-trust p8 o( V' {; t) l5 v$ o8 X
set trust-ok False
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Q S1 F( Q! m6 x
let max-trade-times 0# Q7 O5 s# I/ k5 |+ }" k% g
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 u% O1 Z# _3 x. _* C7 a% R# j3 |
let max-trade-money 0( e+ S; G7 ~. A/ ~6 l
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
5 [+ e! |! g' L4 ?let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
9 X( C. c! N% C+ {3 A/ T0 S
L. m2 O6 P0 ~8 l) X; x1 a2 _1 m& n- }' `" Y* G
get-global-proportion! ~ \( a% c. m& r: T3 K' w
let trust-value
4 {( |# i( e/ E: wlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
! c* ^( \9 U6 t% V, l# Tif(trust-value > trade-trust-value)6 S+ X# `+ f" q- b# I, _8 Y( d2 A
[set trust-ok true]! g: ?! E. ~; z) E2 e
end
0 e. i$ e! c, c ?+ \5 K; q
; {$ N3 m6 m+ K3 W! lto get-global-proportion
# i. g& i0 c9 k4 u" P4 eifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)* W- ]: }, [% B9 K T p; P
[set global-proportion 0]
9 S. H- [) H4 ~# D[let i 0( F/ r }* |* `8 O
let sum-money 0
& z6 q# i v$ \while[ i < people]
& |. r& E7 x/ Z: c- m[8 s! X1 Y) v& ~% x
if( length (item i
% Z1 V1 b. p4 o; o2 c4 x# _, M' d[trade-record-all] of customer) > 3 )
% L D- f1 |6 ^' M/ h7 V[8 W( u* o [ {$ O
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
3 B9 Q* ^9 _) y1 h6 r]7 C) z" {) A: d8 H$ a3 j) `
]
" c3 t* q" F' @& olet j 0& b" |& A6 H2 Z! K: l
let note 0- }% x; r& n P" H
while[ j < people]
5 \& W B' J, T, ]5 P7 Y[
( M+ ]0 }+ M: J2 x1 l& Iif( length (item i2 Q: u% a& o) P& W* k3 s
[trade-record-all] of customer) > 3 )
. N$ g* ] [0 G[+ c4 z8 R$ b3 I+ s, L H
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 b" u+ \) W3 e$ e" W[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
" \+ \2 f7 p4 ]. A" {3 ^# K! S1 C4 k[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% v8 ?0 K) ^3 D! B]6 i0 C) {6 Y, ]. }3 R! {
]
& M7 e, P$ j- l' q) M! Y3 x1 yset global-proportion note
/ r! w6 x& o5 @1 A/ Z]
; K$ h8 c6 F$ U4 K/ }6 l5 R- `end1 \" Y5 Y' [9 Z/ R9 w
9 Y4 k. W% w3 k1 Rto do-trade4 g$ _# o; J2 E4 Y5 X7 _( m4 v
;;这个过程实际上是给双方作出评价的过程
* D& L# |4 n$ i6 u& m* X+ A7 ?set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 }2 N+ K* v" `: Qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价5 Z" [0 f8 w2 L# _& ~3 ~5 U
set trade-record-current lput(timer) trade-record-current. l7 K3 j9 |8 e/ ^
;;评价时间. W$ _2 b4 Z8 X7 E
ask myself [3 s# E Q' X% T v4 H
update-local-reputation
, g2 b$ s0 e, N' Z. pset trade-record-current lput([local-reputation] of myself) trade-record-current. {7 G. u, }$ K4 y: @
]: ^& Y; a. Q* I$ G" u1 V
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ {+ B: v' n5 S; U2 f( h, c! E
;;将此次交易的记录加入到trade-record-one中
& `; ~/ K: }0 ~9 _* ?+ m: ?set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)1 c4 g3 ?) L' @" u
let note (item 2 trade-record-current )
1 I* y6 q/ @: w* y) a) hset trade-record-current6 W) A, z1 D% g' ~$ y: u
(replace-item 2 trade-record-current (item 3 trade-record-current))7 F0 K; }/ ], I+ L, ]1 n- n
set trade-record-current
1 j! {& x( h d8 \(replace-item 3 trade-record-current note)
& K: o: x. C+ d; W( }, o+ g7 B. K5 W+ V: s7 n
2 L5 t1 ^* M/ @6 jask customer [
8 [8 O5 C2 M0 M; o/ m' L3 xupdate-local-reputation
/ ^3 U/ K. U0 @- D% |set trade-record-current
: I, b' j. c2 B; P5 Q" c(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
( z: ]7 i* e) F1 \ {. J]* N- x( p- ^& l/ B
1 r- F x) ~5 K4 m6 v P+ b7 `: c$ x1 v) p6 J
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; z9 U& ^3 n# @8 {3 ~# t8 `- ~& h6 Z' \3 e
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))5 m9 Z# D5 i" H/ E( {( I; E
;;将此次交易的记录加入到customer的trade-record-all中
% E: b l/ n7 `* C% p3 n$ E8 c9 Nend/ p4 A; g l. ]1 I9 ^8 Z8 L
" o: R6 z0 H0 ^, L, Z! ]8 h: w l
to update-local-reputation
- O8 s1 d6 _8 Lset [trade-record-one-len] of myself length [trade-record-one] of myself
4 ^" f6 @8 ~+ N5 F: P% M
. ?' w0 J% ~8 U0 {" m! X6 p: e9 ?2 ]! o) ^; \
;;if [trade-record-one-len] of myself > 3
) F! _8 c9 K/ ?1 k* M7 ?update-neighbor-total9 ^. N1 I/ f: Z9 e3 m, r
;;更新邻居节点的数目,在此进行
! S* @2 }8 x0 A8 olet i 3' U r; J7 T G l
let sum-time 01 M+ _2 L7 T3 h' ?
while[i < [trade-record-one-len] of myself]
, v( c9 t/ G* p9 ^& X[' @+ L2 V- k3 H' r' Q
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 l6 h: S: [/ C7 aset i
; ~% v6 n x6 Q( i + 1)
( p1 V3 `& e0 k' m2 |]7 B- v3 s' M4 a) S" L
let j 33 G4 K3 B" n2 u, Q/ Z* M% W
let sum-money 0
5 a2 z3 T% `8 \7 R3 _9 Wwhile[j < [trade-record-one-len] of myself]
, n- j% L8 Q# ^[3 l3 j4 h5 ~; P) I- K. @
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)0 w: S9 w* _$ }7 P( |# o* Q
set j/ X6 D% J3 W9 }2 D
( j + 1)" `8 b) R- z) g- ~1 ?
]
& i1 ^: o* w; `; w, nlet k 3
! c& J! S J6 d9 F6 ?let power 0
4 H) Q3 _0 u( mlet local 0$ [% C' o# Y) @- h2 g- [ q
while [k <[trade-record-one-len] of myself]5 o$ ?6 J; M8 ~$ y# J: G6 R! {. S( ~* m
[
' a5 a. E' a8 X# [& _* b: nset 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) / \, e& @) j, G! {: `* C, X
set k (k + 1)5 X( X& [. O3 _9 ]
]* [6 C: z y+ j% H
set [local-reputation] of myself (local)- f& R! \1 |0 @ f
end9 f+ R* ^- Z" Y/ F2 E# |; ]. ]
) }! B, `7 S ~7 j$ ~ V
to update-neighbor-total
; M; Y, w. U* f3 K( H3 `5 ^$ I6 m8 x; J, X
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
$ x0 x) X8 l" R
: c5 B& z2 y7 d9 v# K& [3 m( \8 f' m- g4 ]8 L
end R" F9 i) W- p1 R& B# E; b! k: g
* {! e/ q+ c4 S( |
to update-credibility-ijl
7 B* b1 K/ M% c. P8 i0 P9 a
2 w6 ~! W7 O) |, ]2 Z1 {2 c: B; v D;;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。
% C* I2 n+ ]5 J) j. }let l 0: y5 I: `9 A/ T+ _
while[ l < people ], P% A9 ?& |2 J5 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 p* Y& e( o2 G8 w[2 Z+ M6 o$ B M3 k9 H/ v
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)+ p. m, Z" \ l; b
if (trade-record-one-j-l-len > 3)$ y8 `) x; k. ?. S! [ 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
- H5 _% J3 f2 q: U+ {- l2 Qlet i 31 e3 c/ j* l) h: Z L
let sum-time 0; V- v$ x0 h2 l5 e
while[i < trade-record-one-len]" k9 p/ H- ~5 F! p. S0 O. c* |
[; E* r$ c3 P$ w" G) Q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
0 i' F. |. k1 _5 c* ]8 m+ [set i
/ S3 P, W7 p5 S& G- W( i + 1)
2 Z7 H, p/ A U6 c2 e]; m% s# f2 \- ?3 q
let credibility-i-j-l 02 V: G. s A. v7 H: N
;;i评价(j对jl的评价)
l" K0 y. y" ^- M5 H4 e$ plet j 3
8 e) H4 Y/ B& c5 hlet k 4
/ K5 @) a) y; w: u v7 Bwhile[j < trade-record-one-len]: s9 n- P7 n* W! N5 F2 S
[+ B2 j9 h/ q8 l8 O
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0 P3 W2 e" b$ W
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); V2 `/ ^& L. r s! o8 i
set j* m! u1 Q9 L; n
( j + 1): E$ `) F: T+ V" [4 x
]
2 S& [# M6 k6 [6 Z" ^( c9 |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 ))
9 y) [3 f' R) b$ |, J/ y+ j: t4 N* T
) l* Y% q1 {8 h$ o( |
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))* @+ Q9 M S+ X- b; {! Q: p
;;及时更新i对l的评价质量的评价
d* I# g+ \& i' G9 d! }. Aset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
8 y& j) B5 z& w5 @set l (l + 1)4 n* D$ D$ M/ j& I
]
/ G4 B# \& r. D* F5 x8 H2 Nend% V% I$ ?; u* k% X( w( Z
( X2 [2 y$ J1 v2 ]1 }' a
to update-credibility-list7 T/ I; `7 f! ]# p i
let i 0. v- @3 W" O1 b! X) h$ `
while[i < people]& q; X4 S+ T+ ~9 b% H
[/ f: O. O1 d4 g l# @' Q8 [8 _5 @
let j 0
( C+ A1 m+ e% c# V- Olet note 06 G: z+ a4 g4 V* \4 _/ B9 }
let k 0
8 e: j: L& m& J z9 b) @0 n- E, F;;计作出过评价的邻居节点的数目2 }7 z, |' e) j; }0 I: d
while[j < people]% i: J1 E/ K8 }6 a' j( G$ Z0 _
[
+ S7 ]( `) e* B: c6 f1 nif (item j( [credibility] of turtle (i + 1)) != -1)$ ~4 k1 M) a8 ~
;;判断是否给本turtle的评价质量做出过评价的节点
( h8 t( q4 y L7 S/ V- O[set note (note + item j ([credibility]of turtle (i + 1))): S% X5 q/ B3 N: t) s7 S! @" o
;;*(exp (-(people - 2)))/(people - 2))]
) P9 C, l$ j1 a# _set k (k + 1)6 @; ]3 L7 i2 _6 T5 Q, T! J
]
8 H, a/ c$ Q, ]- N2 [set j (j + 1)
. L- `4 E* f: @ }]
: ~1 I, b% C+ ]" v- wset note (note *(exp (- (1 / k)))/ k)& t- ]$ w1 a) @3 u; S- a, G
set credibility-list (replace-item i credibility-list note); v1 v: r1 Z& {% K: t( N' _
set i (i + 1)
! B4 [- c( n' K]# G* \& ^, b a' }# o# w- @- s
end
2 H8 g0 F( e9 A( Q$ G4 n
7 R6 s8 z% M6 y2 O8 g4 Eto update-global-reputation-list4 k, a/ Y$ h- ?% _" M+ ~& H
let j 0
$ f- e0 @; T2 z( s, d, gwhile[j < people]$ \' ^8 ~/ p9 Z0 p+ E* s/ v: m
[; H2 H/ x# m6 f2 b) w" Q. g6 {- _
let new 0/ D: f# M8 P7 ]1 x) G: v/ V8 R
;;暂存新的一个全局声誉# E, ?1 S( t7 D4 R$ R" l
let i 0
) P1 \: l1 t, u; q3 blet sum-money 0$ l4 O- T$ K/ q0 j2 x! ^3 _& s \( r
let credibility-money 0
- r) l) F7 G5 O. [1 d0 F6 q" qwhile [i < people]
! ]# _7 t x" a. W: l( x[4 t7 t) c% Q" l. _+ [9 F8 _
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))" X# U% J* ^) i( S' _1 Y# c3 Z
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& ?# u1 ?2 N6 t6 O# u6 z9 m3 _
set i (i + 1)
$ ~# Y: V- C& _% k5 e! l8 S9 p]) j- h8 a ~- c9 `# T9 z/ }
let k 0
: @, \3 D9 Y# y z) O9 h" S- klet new1 0
8 P4 j- M% H$ fwhile [k < people]
& ^7 _6 P' c% b. y[7 t; R! S O6 k% V Y
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)
, R- K& H9 |5 e( s' {set k (k + 1)
1 _, a+ E9 P" l- M: v$ }: [" g]% e, Z E1 X5 F& k
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
" E, i% S4 ^3 c4 |1 Gset global-reputation-list (replace-item j global-reputation-list new)2 |4 Z6 V* c5 Q% u) |
set j (j + 1)
8 h& Q4 S! \3 @% I; q]
; w' {3 I8 D- r0 Q) \6 I* Wend
0 E2 I' M' m2 ~) ^! ?- @: _- ?8 o, W3 j% j- y2 E. x4 R
, z+ J% A7 p, C+ t
- c Q/ B& }) z9 { [& v: E& sto get-color
9 m( D0 S u6 W# |* k
- h) L9 T, b; E9 Q+ i2 }set color blue
* ?3 f' H$ X7 ]% Y. v& c! \5 Gend
1 z: A: i3 u+ n' t
( U* _$ }/ j0 f+ d3 W9 Sto poll-class
$ {- h1 Z# M& G2 Oend: D* d* F% V. M9 s$ ?- h" N
0 m3 D& Q, ?, o& G6 Cto setup-plot1
& k+ S" R, I! Y2 L( L8 C# [# t1 O9 }( A7 [" e
set-current-plot "Trends-of-Local-reputation"
7 x& w% J1 ^% \4 d: u: T D. t4 I- C7 |) W2 a
set-plot-x-range 0 xmax! T- {3 ?' V+ o( Z; Z# |. G8 D
1 R$ F: \0 D5 x- r$ c7 E2 Y
set-plot-y-range 0.0 ymax. N" s+ l. u0 f. c3 D. U: m6 J+ r
end# Q4 O9 T$ d7 t4 U) N
% R/ s3 d+ H# c" {3 J @0 ?1 x
to setup-plot21 Y G/ E: u- R
; _. S1 p( j. j" H- D& A
set-current-plot "Trends-of-global-reputation"
8 Z _9 }! \$ M6 e7 _
+ o9 A6 \6 _; ~$ pset-plot-x-range 0 xmax
" Q, k: h8 z; W2 W( m& _; Y5 f% P* _3 B+ H2 E9 _+ c- y( D, F- e
set-plot-y-range 0.0 ymax
+ A6 [5 z, |: M- c( Mend, L9 W8 E" P' N" K& G& L, ]
, @+ X9 v% p1 M; Y$ u# j
to setup-plot31 k! w6 H+ l7 o
& R+ Q+ C$ Z+ ?
set-current-plot "Trends-of-credibility"# q. k* s5 ?) t v+ P/ |9 Q! A/ i9 r: s
# f6 p, I, G, W( nset-plot-x-range 0 xmax
* u! o7 l8 @, Q) _4 }9 ^. z/ Y' B! g6 t: H
set-plot-y-range 0.0 ymax
8 y2 X9 R; ^4 j6 F& eend- X7 s- a- j4 P$ L2 P* z
) c) f- l! P4 G9 \9 c6 t+ Tto do-plots. G/ p" u5 b$ |; H' C4 F
set-current-plot "Trends-of-Local-reputation"" O: U8 h3 {$ y
set-current-plot-pen "Honest service"
% A3 r ^, } F' D# x$ vend8 j# b7 R' s1 |4 s2 T
8 o" J" X5 w+ n/ w. K' B# w% K
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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